Cut Electric Bill in Half | Central Air Conditioner Cool n Save | Missouri Wind and Solar
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- Опубліковано 30 лип 2017
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I show you how to cut your cooling costs down using water mist
Here's the link to my Window Air Conditioner video • DIY How to Cut Electri...
Evaporative cooling is great. It's how our bodies keep cool when it's hot. We sweat. The sweat evaporates and that phase change carries heat away from our bodies because it takes heat to turn liquid water into water vapor.
When you spray a mist of liquid water into the air, the tiny droplets of liquid can evaporate into individual water vapor molecules. Again, it takes heat to do that, and in this case the heat comes from the air. The result is cooler air. If you live in a dry climate, you may even use this principle to cool the air in your home with a device called a swamp cooler.
Now, let's take that principle and apply it to your air conditioner. I've explained how air conditioners work in a previous article, collecting heat from inside the house and dumping it to the air outside the house. Because the outdoor air is hot, the compressor has to make the refrigerant that carries that heat even hotter than the outdoor air because heat always flows from hot to cold, or in this case, hotter to hot.
If you can evaporate water into the air right before it gets pulled into the condensing unit, you can decrease the temperature of the air and thus increase the capacity and efficiency of your air conditioner. Then, instead of dumping that heat from hotter to hot, you're dumping it from hotter to not-quite-as-hot, and that's easier to do.
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Lots of Pros commenting but here’s my amateur experience... I lived in a rental house that had the AC Unit in direct sun light all day long. I bough a misting system from Home Depot and wrapped the AC unit and used it on 95+ degree days. With a infrared thermometer I read 60+ degree air coming out of my vents before misting, after misting I was seeing a steady 50 or less degrees. Metering the power I also notice about 8 less amps being drawn during the same parts of the day. This also reflected on my
PG&E bill! I did have a calcium filter in line and I cleaned the coils with Web Coil cleaner once a month and never had any issues. Water usage what negligible.
Real testing and real results. I did roughly the same test and got about the same results. Thanks David for the very informative information.
You can't do it that way. You need a temperature delta reference because as the ambient temperature in the house lowers, the temp of the air coming out will also lower....
What you do is compare the temperature in the blower closet to the temperature at the output and subtract...You should have at least a 17 degrees F difference or something is not working correctly. If you take a delta, then turn on a mister and take another delta, you will see that you have lost cooling capacity.
I worked at a factory and the ac breaker would trip around 11 am I ended up connecting a water hose with industrial misters I would open the water as soon as temperatures got over 90 degrees and it took care of the problem. Except when I would forget to go open the water. I have been wanting to use the water out of my evaporator to do the same thing in my house. Eliminating broken pressure lines risks.
Polymathic Perturbations . I'm glad somebody said it before I had to. What a joke. Thank you for the well versed statement
Just coat the roof !! What do you want the A/C and insulation battling a 145 degrees substrate or something 5 degrees above air temperature.
I have basically the same set up. I have my wife stand outside all day in the hot sun with a garden hose. When the ac kicks on, the old gal starts spraying the ac. Really makes my days more enjoyable watching television in some cold air conditioning.
I had mine do the same thing until she passed away from a heat stroke, i didn't mention that to the second one.
MissouriWindandSolar LMAO !
Savage Comments. Love it.
Well then who the hell is making you food and bringing you beers?
Mine does it in a thong bikini and i just watch her on the security camera from inside where it is a cool 70!
I used to live in a mobile home with central air conditioning. The unit was only a year old, it was the correct sized unit for the number of square feet we were trying to cool, but my electric bill was outrageous so I got one of those old-time oscillating sprinklers out hooked it to my garden hose and set the direction of the sprinkler to where it would only sprinkle to one side of it . I then placed it about 2 feet away from the central air unit and turned on the water just enough to sprinkle water on the a/c. My neighbors thought I was nuts but I came home the next night from work and noticed my neighbor was doing the same thing to her a/c. She told me it was cooler inside her home by at least 10 degrees and by the end of that week I was amazed at how many people had a sprinkler on their a/c even the ones who had only a window unit. My next electric bill was a third lower than the previous month but it really made no difference in my water bill so this system or however you choose to run a small amount of water over your a/c, it really makes a big difference.
Lmfao.."that compressor is running better already". ITS A MIRACLE!
Thank you Jeff that was a real good demonstration and made to look real simple and easy. I will be getting one for sure.👍👍👍
Did you ever get a mister? I’m curious to know what your experience was
I am an air conditioning repair man. I can tell you that this will absolutely work as he says it will. The only thing to be aware of is what kind of water quality you have. If it is very hard water you may get some build up. Just something to be aware of and watch for.
The naysayers are stating their " opinions " with no facts to back up their opinions. So far no rust or calcium buildup at the store and we have had it running for 2 summers now. The calcium filter works. Just change it out when your suppose to and you won't have any problems.
How about using enviro- safe refrigerant, it runs at lower head pressure than R134.
harley Rider there is no refrigerant that's environmentally safe!!! And this idea will destroy your system!
Benny Wilkie Now heres a man that is just telling the truth and no bull. Everyone wants to make it complicated, really why? Yes it will help your ac life and bill. If you filter the water before it gets to the misters. Besides it will help stop it from getting clogged. And wow they provide a filter. It is very simple. It is one of the methods that people have used for hundreds of years. Evaporation hummm even nature does this quite well too.
Don't forget the algae buildup.
"Action"
Lol.
I love it when people like you have some one helping with the filming.
Thanks to both of you for such a great tape.
The fact you called it a "tape" is even funnier lol. What does "people like you" mean anyway? What is he like?
Man, I love the sounds of those wind chimes
I had a system hooked up to my city water line. Water is chlorinated. Didn't take long to see the corrosion starting. I took off mister, cleaned coils and then spray painted the cooling fins. Fortunately I was able to save them.
Building a barrier to shield from the direct rays of the sun is absolutely the best way to go.
Likely the fluoride and heavy metals, chlorine evaporates fairly quickly with little residue.
Yes, I built one from the cross laced wood. not sure what's it called.
@@CHEECHMUN Lattice?
YES, HAVE THE COILS SHADED GOOD, BUT IN FLORIDA, SOME DAYS IT IS 100 DEGREES AND THE AIR COMING IN IS 100 ALSO
I have used this system and another one basically the same for over five years at two houses and one rental in Vegas... no problems...saved a lot of money...and the guys that service my units yearly during this five yea period have told me The systems are working just like the manufacturers warranty. These systems are simple, basic and easy to install and maintain.
Steve Fasching I live in Vegas too. I would like to try this. Can you provide more details?
YOU NEED TO RESEARCH ELECTROLYSIS!
When did Richard Petty become an hvac tech
Vrrrooooom....
that STP money wasn't cutting it
This guy isn't an HVAC tech. He's out of his league, peddling nonsense wares soaked in snake oil.
Thomas Shaw lol
he is very smart like einstein
The chimes made this an deep emotional experience for me. Hehehe. Teasing. Great video!
I LOVE your yard. It looks just right.
I think you can also provide shade over the air conditioning unit. That will also help cool down the air conditioner.
I agree. I use to have a sun screen around mine in Arizona. Going to have to do this one to. Thanks for reminding me.
BullittMcQueen1 I heard that condensing water cools.
Very little return, Condenser draws outside air from a massive area around it
L3 P3 evaporating water cools as it evaporation takes energy away from a system while condensing adds energy to a system.
BullittMcQueen1 you're fucking dumb
gotta love thermodynamics!!!
We just run our CA from around 5 or 6 pm until 7:00 am when there is no blistering sun and the outdoor moisture is higher. During that period, our utility charges for electric is 50% less than during the day. From operating our CA during those hours, I suspect that it is running far more efficiently and the entire house being very cool by morning, we are quite comfortable during the morning and early afternoon hours without having to run the CA. One extra benefit is that we can sleep better at night with the overall temperature being in the mid 60's F.
IN FLORIA IT IS 85 BY NOON, AND HUMID, PLUST THE AIR THERMOSTATE IS NEVER SET BELOW 76, PLENTY COLD TO SLEEP
Really enjoying the sound of your wind chymes.
I Always Thought about doing that!!
Nice to see a company made that system.
Yeah, Cool N Save and Mist N Save
MissouriWindandSolar , FYI, calcium is the least to worry about. most water is treated with chlorine, and nitrates both oxidize aluminum and steal. before adding any makeshift devices to your, expensive ac system. check to see if it voids the warranty. its normal for people to try these types of idea's. instead of adding some blown insulation, sealing cracks, buying a higher seer machine, having your home energy tested, or going all the way and upping the homes star rating. what ever savings you think your getting. will be handed back ten fold in repair bills. bub, there's a very good chance of someone being electrocuted or killed, from the install of one of these devices. you definitely did not cover all your Base's. your explanation, it lowers head pressure. is highly inadequate, it is saturation. people please do a lot of research before adding anything like this to your ac.
Shawn B when it rains it puts a lot more water then that little mister system an no has died
M C , and you got jokes. ha ha. there's more than a few reasons, its illegal to modify any electrical system in homes without being certified. dummy's get dead. or cause shorts that burn homes down, not to mention injure or worse people in them. I'm a 15yr ac man. these are beyond dumb. if I see one installed, there instantly removed. but you could be rite. I've only made tens, to hundreds of thousands due to them. but it rains chlorine, and nitrates. OK
While I agree with you that chlorine is corrosive, we're also talking about potable water here, so the levels, "I WOULD THINK", should be low enough that if a baby or child can drink and bath in it, it "SHOULD NOT" attack your AC to the point that it is eaten up by the water, before it wears out from normal use.
I mean even swimming pool water has MUCH higher levels of chlorine than drinking water and little kids are at the pool daily and drinking gallons of it all summer long, with no ill effect......or so "THEY" tell us.
I would also think that it would be just as hard on the cities water pipes and system as well. I did read that to counter the corrosive effect that chlorine has, cities increase the waters PH to cut that corrosiveness way down, but not raise the PH to where the chlorine is not effective at disinfecting.
I guess it comes down to a point of if it's worth a 30% savings on an electric bill, to cut the life of an AC by an amount that no one can really say for sure, other than "IT'S CORROSIVE TO ALUMINUM".
The idea is perfectly good. The condenser gets hot and as the water hits the coils it evaporates absorbing heat from the coils. Probably doesn't work as well on really humid days.
A finer mist would work just as well and use a bit less water...
Greg Scott If it doesn't work well on really humid days then it would not work in Georgia.
Thanks for keeping me in the business !
The calcium filter and having it as an easy kit is genius! Great idea!
This is an interesting concept. I have never tried this product, but I did construct something similar at my home a few years ago using misters I found at Lowes. I did this for the purpose of testing the concept. I'm an HVAC engineer with some experience with HVAC system testing. I have access to a calibrated, high precision temperature and humidity meter/logger similar to the VAISALA model HM70 which has an accuracy of 0.36 deg F and a resolution of 0.1 deg F. One weekend I decided to connect 2 misters to a water hose and place them about 4 feet from the condenser coil. I set them up on opposing sides of the condensing unit and pointed them so that they were not directly misting on the condenser coil. I placed my temperature sensor inside one of my ceiling diffusers and started logging the supply air temperature. I live in north Texas, and the outdoor temperature during my test was in the upper 90's F. I set my thermostat to a low setting in order to keep the system running continuously during my test. To my amazement each time I turned on the misters the supply air temperature increased slightly. I was dumbfounded. I expected the supply temperature to decrease as cooler air moved across the condenser coil. But this was not the case. If the supply air temperature increases then the system will run longer and use more energy. I didn't go any further with my testing, and I never determined why the system appeared to loose cooling capacity using the misters. I spoke to several of my fellow engineers. We surmised, as one possibility, that the loss of capacity may be a result of a wetted condenser coil, a coil that was not designed to be wet to attain full capacity. This coupled with a propeller type condenser fan, with very limited static pressure and a relatively flat fan curve, likely resulted in a significant reduction in total airflow across the coil and hence a reduction in cooling capacity. I would like to find out if this Mist-N-Save product does something different and actually reduces my energy consumption. Is published performance data available? Thanks!
The savings is when you flood your compressor creating a locked rotor condition causing the power to stop on thermal overload in effect stopping the current flow to the compressor. Compressor not running equals 30% savings in electricity LOL
Yeah Hmmm I wonder if I can have a 30% savings if I set my air temp to 80 instead of 74 LOL
In theory, this idea of "misting" should work because evaporation is a "cooling" process. I think you are correct in your hypothesis that the cooling coils of a condenser are not meant to operate when wet. The water from the mist could actually be blocking the air flow through the condenser core. I wonder if a "finer" mist would work. Take care.
Your whole post to say water drops the temps and will make it cooler is is right, you don’t have to be a rocket scientist to figure that out, it’s helping the fan do what it needs to do in the first place, remove heat.... you will fuck your coils up over time.... this is the basic short answer
If your system uses a fixed orifice metering device, the lower head pressure caused by the evaporative cooling will lower the flow rate of refrigerant through the orifice. This will starve the evaporator coil (raise the superheat measurement). A portion of the evaporator coil will be colder but some surface area of the coil will be warmer. This causes the warmer supply air.
A thermostatic expansion valve type metering device will open more to compensate for the lower head pressure (keeping the evaporator superheat level constant). Also, the cooler liquid refrigerant being supplied from the outdoor coil will have more BTU capacity. In this case you may see 1 to 2 degrees colder air at your supply vent (on a hot day) as well as lower compressor amp draw.
From a HVAC Techs point of view. It’s a great idea. But you have to hope that that coil never gets calcium on it or it’s in big trouble. But if you put an Amp meter on the compressor the Amps drop big time if you spray the coil with water. Over all I like this product. But I can’t stress enough make sure that water has it’s minerals removed. I took a class years ago with Trane and they talked about doing this and it will save you a lot of money on your electric bill. And yes it will make the unit last longer because it won’t run as hard to remove heat.
This isn't a really new concept. Both in the automotive and aerospace has been using this for a very long time.
25 year refrigeration service tech here. No doubt that this system works. I have a custom built set up that I use in the event of a condenser fan motor failure. Damage to condenser coils is negligible with proper preventive maintenance. “Coil shield” chemicals can be used during maintenance if it is a concern. However, I would stress to use this type of system only under heavy heat load. If you get “greedy” and try to use it on cooler days, the refrigerant pressure will drop to low and cause all kinds of problems to include potential compressor failure. Ideally, this type of system should have a pressure control that shuts off water when refrigerant head pressure drops to unsafe levels.
i love your reply sir defin on on real hot days use this
Jeff we really appreciate you!
“I picked up a product the other day.... well actually a year ago” hahahahaha love it
HAVE FUN WITH THE REPAIR/REPLACEMENT BILL COMING YOUR WAY!
Please do tell us how can we just look for signs of rust
@@sitdowndogbreath AC Coils are made of aluminum... Does Aluminum rust?????
Anyone else read this in Wayne's voice from Letterkenny?????
@@Golfnut_2099 I don't know but I know it can pit.
HA that wind switch/valve is great. I've always just had to hook them up direct in the past.
It never ceased to amaze me that as I drove down Highway 50 in Sacramento, CA and looked out across the rooftops and saw all the A/C units ON TO ROOF of buildings and houses. The HOTEST PLACE on the property. I would just shake my head. BTW, a sun shade over the top would help as well.
Cool idea thanks! Also, if you can locate your outside unit in a shady area, this helps a bunch. If your unit is in the sun, you can build a little wooden fence for a sunshade.
Excellent idea
@@MissouriWindandSolar, Thank you! We're neighbors! I live just about 12 miles outside of Seymour, in Booger County!
Thanks for all of the great content!
Peace.
Thanks Sterling. They still call that Booger County ?
@@MissouriWindandSolar ,Many do! I think you can get t-shirts over at Town & Country!
If I close my eyes and listen to him talk he sounds like Bob Ross. " Just a happy little tree right there" Great info thanks.
jtsbricks
Cancer sucks.
The wind chimes were actually a nice unintentional touch. I could probably watch this all day.
Rýán Túçk yes it does. I loved watching him when I was a kid.
yeah miss ol' bob
Well, his voice doesn't. And closing your eyes doesn't change how someone sounds.
Thank you so much. My electricity bill is so high, and came across you video, it is so helpful. I am go get one immediately. The video is very clear, good quality and easy to understand.
How’s it working out for you
Thank you so much. You always have the best tips.
No matter how soft the water is you will wind up with radiator fins full of mineral deposits which are a pain to get off of aluminum fins. Been there and done that, never again.
That is what is called oxidation of aluminum. What is the 2nd main ingredient of water?
It took some time but misting your roof will go a long way in helping your bill out as well; I don't do that anymore now that I have a metal roof but I extended three quarter PVC around my home and did the exact same thing with a solenoid valve and misting timer system and put in water loving plants like elephant ears. Today, I have the Time Demand rate and I do not run that AC unit during the hottest time of the day and you mentioned Ed Begley Jr and I talked to him about energy efficiency being the better option for those of us who can't afford solar panels but can do everything to save energy and it being the more cheaper way to go. I have trees all the way around my house and I can't justify cutting them down for a payoff that will at least take 15 to 20 years to break even. For those of you who don't have metal but have asphalt shingles; misting is an excellent way to reduce the heat that conducts into your home; one gallon of water will remove 7850 BTUs of heat once it evaporates. Misting does work on AC coils; totally agree, but I chose the irrigation hardware to go about doing it. Kewl beans what you did though!
Do we leave the water on during the winter time to for the heat pump systems or do we need them in the evaporator coil to.
You shut off the water in the winter or it will freeze.
Absolutely works, Get a water filter because the small offices will clog up one at at time.
I used to spray my air conditioners all the time. I learned later, from the Crane Air conditioner site, that ants use the copper lines for pathways, and put down formic acid to mark them, which eats pin holes into the copper metal lines. So washing your lines once a month or more, might be a good idea anyway.
Gristle Von Rabe
omg thats the funniest stupidest thing i have heard in awhile
hvacr tech lol
Gristle Von Raben that's where i found my ants how do i solve this problem
matt matney ants don't like base aka alkali powders. But they tend to kill the grass. Taro ant killer always worked well for me in the past. City chlorinated water from your garden hose should be strong enough to neutralize the ants' acid trails, just don't spray in the motor or on naked electric wires or stand on wet ground while spraying the air conditioner and it's pipes.
It does work very well. The only drawback is that it rots the aluminum fins over a period of time
I was looking for this comment. Glad someone said it 👍🏼
Umm, no. Not if you add a decent filter according to the water in your area. I use a 2nd hand reverse osmosis unit bought for $40.
This works great. I do it on my car using water from aircon dripping into container. Windscreen washer pump spraying 2 misting jets
Question, if you bought one last year and using in the store for a year, why have you not already got a hose bib run by now at home and not already using one at home? Water coming through the hose at my house gets awfully hot, and if it's only using a gallon or even 2 gallons a day, it will be using hot water?
made my own with pvc pipe and patio misters and a refrigerator water valve connected to the ac wiring, include a nice water filter and its been great since, especially when we hit 115+F
Peter Dudas any problems with your subcooling ? What type of compressor ?
Also try cycling your outdoor fan would lower cost of operation and protect the compressor from slugging on longer cycles.
Someone's going to need to replace your compressor soon or later. It's kinda like getting into your shower and some idiot has the shower valve on spray hitting your with that big rush of freezing water as soon as you turn the water on
whole system works fine unless we have consecutive hot days over 115F, the unit just has a hard time maintaining the set temperature. Still blowing cold air and compressor is running fine. My issue probably has to do with not having the best insulation of the house and the unit just cant keep up.
the way I see it Im putting an evap cooler in front of my ac condenser to bring the coil temp down so the unit runs more efficiently. once we are back to under 115F I shut off the sprayers. probably only use them for a couple weeks a year.
Peter Dudas we even designed a fractional hp evaporative cooling system and eliminated the outdoor fan . High maintenance= high dollar and heavy crap that average installer has no clue where to put the ZIP tye .... Later after adding everything from water filters to dielectrics , head master controls and more expenses to research still unable to add classification or meaningful production . Maybe China will do more research as far as it goes give us a call after compressor failure and you're going to need more than sissors for the repair .
Peter Dudas that sounds great can you please send me pictures and a copy of a how to put it together and everything I need
does your mister drip and waste water like in the video?
Great idea as long as you have a low relative humidity and you're using some relatively clean water. The evaporative energy in water is nothing short of magic.
FILTER WILL CLEAN THE WATER, NO PROBLEM, JUST LIKE THE FILTER ON YOUR ICE MAKER IN THE HOUSE, PLUS THE WATER COMING OUT OF THE MISTERS IS 50 DEGREES,
Would this work with a package ac unit because they are bigger than a split system ac unit is
Does all the issues go away with the aluminum if you have a whole house water softening system?
If water cooling works, use an evap drip mesh method around the unit and you won't need to filter the water. The mesh will have to be replaced when it fills with deposits. Air can easily flow through the mesh.
Excellent idea. I know that would work.
can you explain what an evap drip mesh method might look like? thx
But may restrict airflow through the condenser. Be careful.
Evaporative cooling is great. It's how our bodies keep cool when it's hot. We sweat. The sweat evaporates and that phase change carries heat away from our bodies because it takes heat to turn liquid water into water vapor.
When you spray a mist of liquid water into the air, the tiny droplets of liquid can evaporate into individual water vapor molecules. Again, it takes heat to do that, and in this case the heat comes from the air. The result is cooler air. If you live in a dry climate, you may even use this principle to cool the air in your home with a device called a swamp cooler.
Now, let's take that principle and apply it to your air conditioner. I've explained how air conditioners work in a previous article, collecting heat from inside the house and dumping it to the air outside the house. Because the outdoor air is hot, the compressor has to make the refrigerant that carries that heat even hotter than the outdoor air because heat always flows from hot to cold, or in this case, hotter to hot.
If you can evaporate water into the air right before it gets pulled into the condensing unit, you can decrease the temperature of the air and thus increase the capacity and efficiency of your air conditioner. Then, instead of dumping that heat from hotter to hot, you're dumping it from hotter to not-quite-as-hot, and that's easier to do.
OP: That does indeed work. We did it for a customer in Oakhurst CA where the systems were failing out due to high head pressure.
Ha! I was doing this nearly 20 years ago, on data center condensers to boost performance when one would go down.
Cool
I wonder how much extra money you costed your company-I woulda fired your ass.
I live in the Central Valley of California where it gets very hot for extended periods of time. (But it's a DRY heat.) This year ('18) was exceptionally bad- well above 100* for over three weeks. On occasion I will take the garden hose and mist/cool the condenser, particularly in the late afternoon when the sun shines directly on the condenser unit. I do this until the exhaust air blown out of the top turns from hot to cool. I'm a little concerned about calcium build up. Any recommendations for cleaning the coils?
My 4 ton AC system has been running for 29 years with only changing out a $35 evap. fan motor in 2007 which I changed myself. The system sits on the east side of my home, in the corner of my home/garage where the garage extends about 6 feet on the south side, giving shade to the coils starting around noon. The other factor is the valley between the home and garage that dumps rainwater directly into the AC unit, (which rains only about 5-10 times a year since we live in the hottest part of Arizona.) In the summer we have hit temps averaging around 115 degrees and the AC works well even when the rain dumps directly into the AC unit, and like I said I've only changed the fan unit which took about 1 hour, and I am no AC mechanic, just handy with some tools and common sense. Oh yea, I did have to add about 2 lbs. of R-22 refrigerant in 2017 since I forgot to run the system a couple of times in the winter to keep the seals working. It's always a good idea to run your system once a month or 2 in the off season. This also applies to vehicles as well to keep from losing refrigerant.
The "mineral salts" in hard water are corrosive to metals, especially to the thin aluminum walls of AC coils and you'll need more than a calcium filter to keep from having problems. The only way these "spray systems" can work without harming the coils, would be to use distilled water, which can get expensive at $1 to $1.50 per gallon.
Build a simple slanted roof shade device similar to a carport on poles. Shade extends AC life keeping it MUCH cooler.
False
HARD TO DO WITH LOCAL BUILDING LAWS, PLUS THEY MAY INCREASE YOUR PROPERTY TAXES,
The dog just walked by like this my yard lol
good video it might just be me but that set of wind chimes has a peaceful zen like quality
Yeah i forgot they were making noise when i did the video. Just got use to them i guess. And they are zen like.
You have a great voice. Thanks for the info!
how cute is your dog though?!! minute 8:10 loved it! :))))
The cute dog was a distraction. Make a whole nuther video with the dog...
raising the unit off the ground is another great idea, on the roof or on a stand works also, like someone pointed out, insulating the lines would help also if calcium buildup is a problem then using distilled water might solve that problem
Does it still require the calcium filter if all the home water runs through the water softener? What is a hose bib?
Of course this works here in humid south florida. By effectively lowering the high side pressure, the system cools much faster and earlier. Thanks Mo
Thanks Chris
UNITS GET REPLACED APPROX. EVERY 3 YEARS IN FLORIDA DUE TO HUMIDITY.....YOU REALLY THINK IT'S A GOOD IDEA?.....I LIVE IN A DRY CLIMATE AND WE REPLACE OUR SYSTEMS APPROX EVERY 20-25 YEARS.....THE PROOF IS IN THE PUDDING.....THIS IS NOT A GOOD IDEA.
Florida about every 10 years but not sure about misting proper shading would prob be better
@@jasonlauterbach919 Well crap. Mine is 12 years overdue then....
How about putting an small 6' high tarp to "perm shade" the condenser unit, and making it 20° cooler?
That would work.
Negative. The unit has to extract the hot air up. If you block it. The hot air would just circulate back to the side vents.
@@ismaelcarrillo3956 You don't have to block it. You can still shade it with the top of the tarp 5 (or more) feet above the unit.
The idea is sound, virtually every window unit's condenser fan sprays condensate water onto the condenser coils. You could capture condensate from the evaporater and rig a solar powered pump to run the mister. Solves the calcium, ph, and water usage issues
Did you ever check & adjust your sub-cooling after install? The lower liquid temp may need refrigerant charge adjustments for the txv to operate efficiently
Jejeje. Above there head type of response
The TXV will correct it. Just like when it rains , it's 80 dg outside or 100 dg outside. The AC is designed to operate at a max ambient of 95dg, above that the efficiency drops like a rock. I run my misters only in June July and august with a filter. ABout a 10-12% amp drop with the misters on a hot day.
awesome product and great idea
thank you for making this video
Thanks for watching!
These actually do work, and very well. We had a condenser fan fail on a skid house on a drilling rig. We couldn't get a new fan motor for it right away, so we set up a water hose with a really fine spray that landed on the condenser coil. It only took a few gallons and barely leak coming out of the end of the hose, but the air conditioner never stalled out or shut off on high pressure. A metal skid house in the middle of Texas in the summer out on an oil field is a living hell without air conditioning.
So my AC stopped blowing cool air. I went outside and hosed it down and it started cooling again!!!!
Da Yita yeah, the heat is a double edged sword as it applies to your air conditioner coil. As long as the freon gas can get rid of its heat efficiently through the coil, it'll condense down to a liquid very nicely. The only thing is at the hotter it gets the harder it is for the gas to shed heat under compression. When you get into 100 degree weather, the efficiency is pretty bad. You've got to get the heat off that coil so that the heat can get out of the gas. Water is many many times more efficient than air at carrying Heat. That's why it works so well and that's also why water cooling computers works better than using passive heat sinks that use air. Same principle different application
docchocobo I made a similar system for the oil cooler my diesel air compressor. Made all the difference in the world. Kept it running full tilt in the worst heat South Carolina could give you in the summer. Evaporation is your friend.
docchocobo so this what you are saying if your fan motor goes bad on a rainy day you can turn your air conditioning on and it will work fine
docchocobo amen,texas is a hell hole. Lol
Is this worth the extra clogging of the coils? They will need to be cleaned a lot more often or you’ll start losing the efficiency benefits. Also potential coil damage. Just asking...
Great content. Thanks!
Bought one with the link provided. Hope it reduces the operating costs of my older units
The biggest problem is that it rots your condenser coil. The calcium in the water will plate up the fins
THAT IS WHY THEY USE A CALCIUM FILTER PROBLEM SOLVED
Ways to save on a/c costs. #1 Make sure your condenser coil is clean outside.
If the coil is dirty the hotter it gets outside the less efficient the Condenser becomes and won't release the heat from the refrigerant and will run longer / hard on the equipment. Turn off unit and clean off with water hose.
#2 make sure it's well ventilated , no bushes or plants blocking the airflow from going across the Condenser coil outside.
#3 the bigger insulated (suction line) copper line on the outside unit should be nice cold and sweating. If not could be low on refrigerant charge. So there's a leak or possibly it was never charged right.
true... and so many people forget that a clean indoor coil with proper air flow also transfers heat better :)
Best invention I have seen in a long time.
Interesting product - glad to see they addressed calcium buildup. Am not sure it will work on a Trane XV20I as it has a diffuser top with 4 air exits.
You can get a bigger filter for the hose. You can buy them on Amazon for like 10 bucks
wont help.
I have a geothermal heat pump which runs well water over the coils and after 13 years it has no problems from calcification. I guess it depends on how hard your water is where you live.
You’re talking about a whole different monster .. your coils called a coax coil .. it is nickel Cooper coated !!!! Inside .. depending on how hard your water is running through that thing is gonna depend on how many times you have to have it professionally cleaned .. it’s good to have it serviced at least every year or two to know what it’s doing inside calcification build up that is !!! Be careful.. ( The unit they’re talking about has an external surface to air condensing coil more standard than anything in the current residential setting
What do the condenser coils look like now that it is about 4 years later? Did you put the mister system in a 5 gallon bucket and calculate the flow rate of the water. It has to be more than 1 gallon per day.
Jeff, this worked for you, on a sunny afternoon! You had time to do this. I will just call the Air Conditioner Man for $60.00 to clean it!! 👀
Keeping your condenser in the shade, either in a shaded location during initial installation, or by building some sort of roof or wall to keep it shaded, will help immensely too. (as long as neither obstructs the airflow through the machine)
That and this water mister will do wonders for your electrical costs.
That's exactly what i was thinking.... just get it in the shade would drop temperature drastically.... as long as air flow was good you'd likely wouldn't need water jets and time assembling and filters....
Do not block exhaust air flow. You are literally pushing the hot air back down to the inlet vents
What I do is pre-cool the home in the morning ( to about 72 degrees) when the outside air temperature is near 70 degrees, this keeps the home cool ( dependent on outside air temperature) just about all day. ( even as outside temps go to 90+) In essence , using the home as a battery. With an outdoor temperature near 70 or below, I can get about a 25+ degree delta compared to 18 to 20 degree delta at a higher outdoor air temperature. There by saving overall cost.
Idk about Delta but unless your house is insulated like a yeti cooler and you never go in or out then that makes no sense.
@@ForseenlifeI was going to say the same thing. “Better hope your house is WELL insulated or you’ll be hotter than a firecracker before high noon!!!”. 😂😂😂
I just love that little dog, he's a keeper.
That's Stella
So simple, I appreciate this video
Question, do you think it will help out in souther Arizona where our summers are consistently over 100 degrees?
Just curious, it's been a year since you made that comment - did you try this thing out? If so, how'd it go? Also, try building a little roof over your unit to give it shade (about 6 feet above it so the hot air can vent away) - it'd be interesting how these work together.
I would assume the minerals in the water will build up on the coils as the water evaporates.
Also while playing with the cooling systems in refrigeration school that little flapper creates enough resistance to raise your head pressures so you’d really need to test this with gauges both ways
Mister systems come with water filters.
THE FILTER TAKES OUT THE MINIERALS
you should be cleaning your coils at least yearly. use the foaming cleaner that goes in to the coils liquid and expand out with the dirt and junk. there are other cleaners too that one could use after that initial foaming to descale. also you can filter the water too. they even have reusable Stainless steel filters too for sediment.
But then the unit is gonna get wet oh no!!!!!!😂😂 lol. I am on my way to buy one of these right now! Thank you!
yep me too!, I will just get a bigger filter for my hose
Great straight forward video. Thanks!
So how do you suggest removing hard water deposits from the condenser coil ??? CLR will, but it will eat the aluminum and then the salt air here in Corpus Christi will finish it off.
If you really want to see energy savings, install radiant barrier in the attic , my usage in the peak of summer went from roughly 1800 kw per month down to around 900 or 1000!!!
Question. Did u attach it to underneath part of roof or bottom?
Seems to me if u attach it directly to underneath part of roof, there would be extreme heat from both outside and inside to shingles. But if you lay it down on bottom of attic, your attic would stay hot...but maybe not house....?
If u dont mind, how much did pay approx?
This really is a great way to extend the compressors lifetime and get the airtime down faster inside!
I build my own precoolers that prevent any mineral build up, providing a delta t of 17 - 19 degrees. Running the pump is a wash & then some. The older & less efficient your unit is the greater the effect.
I'm built my own I went to Granger and got a valve sort of like a toilet valve but it works in Reverse just like the paddle put the mister on but thanks to a lot of people out there with the comments I've learned that I should watch out for the mineral deposits so I recommend you use either CLR or lime away on a regular basis to keep them clear if you do it quite often regular white vinegar spray should help it's very cheap and maintenance is always an issue on anything mechanical or electrical specially in AC unit
I would not recommend either CLR or Limeaway on aluminum coils, they are acid- based and will corrode aluminum.
That's awesome bud, just something hopefully people who do this will consider in heating season turn it off or you'll have a major freezing problem on your coils. That's if you have a heat pump.
Lol, what a nightmare that would be. Not getting involved in all the science fighting, my thoughts were most homeowners are idiots and I dont trust then to turn it off when it cools down outside but you still have to run the AC. Lot of new compressor change outs coming if this takes off. What happens if it's 60 outside and water temp at 45 and Harry Homeowner has several people over and wifes cooking in both ovens, AC gets turned on and ice cold water now dropping head pressure, any one that ever worked on refer units know what a fan cycle switch is.
To everyone in the South East if you dont have Gas to your house you got a Heat Pump. That first fall day temps drop into the 50's no where near freezing so you haven't turned off your Mist and Save but the wife turns on the heat just for a little while, oh LOL the fun will start from there. Look up Ice Machine to see what adding water to the NOW Evaporator coil will do.
Tom Craven That's absolutely true. I live in Tn and most of my customers have heat pumps. I have a little had company.
AW shucks! jest hook up the hose to your water heater drain and that will solve all the problems LOL. Probably would be better to just put the poor thing out of its misery and blast it with the 12 gauge! Will speed up the process!
Andrew Riner turn the damn water off in the winter genius
I just got really long lines for my condenser and i move it to whichever continent is currently in its winter season
V.Vega I have a 10 foot deep 5x5 hole in the ground with ventilation that my condenser is in. Cost 5k to get it excavated and the ventilation ran but I save $9 a month in the summer. When it's getting serviced the tech's throw a shit fit because they have to climb down in it.
Genius
Frictional losses in the liquid line must be huge.
Frictional losses in the liquid line must be huge.
Just curious how the water cools the condenser and causes subcool and superheat to drop.
I made the mistake of trying to watch your video late at night and those damn chimes of yours kept lulling me into a peaceful sleep. Had to restart the video over and over.... haha
It's nice to see Richard Petty is staying busy.
😁😂😂😂😂 best comment of all~!!!! 😄😉😎
Evaporative cooling!
Brilliant man!
Evaporative cooling the condenser coil lol, so the temperature plummets from 95 F or 100 F or whatever temperature it is that day and its about 80 F indoors so you hit the AC and start hosing down the condensing unit hee hee hee haaaa haaa, I had to laugh sorry, so then the condensing units tricked into thinking its December outside a crisp 60 F like the water, ooops how is the ac unit going to run when it thinks its 60 F or 70 F not 100 F and it sends a piss stream of refrigerant into the indoor coil where it has 80 F air going through it, its 70 F outside and 80 F inside???? we all know how crappy that situation works out dont we? a indoor coil iced like an igloo.
Actually what is happening is evaporative cooling. The lower the humidity the more evaporative cooling you get. Temperature = Pressure. When the evaporator coil is cooler the compressor doesn't have to work as hard. My concern is the why the misting heads dribble rather than mist.
Probably the most it will reduce the evaporator temperature is 9 degrees F and there would have to be low out door humidity.
El Rondo You are confused. This misting thing has nothing to do with evaporative cooling.
@El Rondo In no world does Temperature = Pressure. Temperature and pressure are relative. They are not equal.
Example of equal 3+3 = 2*3 = 12/2 = 6
@Kd Grayson What you should do is make a video where you install a subcooler onto the liquid line of a residential AC and sell it to residential AC owners who think this mister idea is a great idea.
cant forget not to slug a compressor eitther if you dont have an acumulator in line in the condensing unit that is ,,,,,just saying ,,,i remember that in hvac school ,,,,,thanks for sharing over all good idea it does work i do mine in florida when i am outside ill spray my condenser coils a little i never did take a compressor amp reading as i was doing that ,,,it would explain more of this also ,,,
I like the awesome chime background music
im guessing if you put it in the shade it would work even better.
l3arrett82 What a piece of shit
are you a member of antifa or something?
No just bury it in the ground as someone else suggested. I think a plastic garbage bag would be best and easiest.
l3arrett82 Yes! Get that AC unit a roof...lol
ike fun- Not exactly. There is a small, very small amount of heat gain from the sun. This is due to the large volume of air being moved through the condenser coil.
Actually, it brings down the condenser coil temperature, which in turn results in a lower evaporator core temperature. Thus, the air coming out of your vents is cooler for the same amount of work down by the compressor.
I built an evaporative cooler shroud around my unit in Las Vegas. No mist, so no calcium buildup, at least not on the coils. But definitely a 26% reduction in my electric bill, which paid for my efforts in 2 years, then kept putting money in my pocket ever after. Made the A/C more effective, too, so it cooled the house down faster in the evening, as well.
i also live in vegas, elaborate on what you did!
Your evap coil temp is lower, that’s great. But you’re running it colder than it was designed for. Which means you lost pressure and superheat on the suction line, therefore you’ve lost vapor velocity carrying oil back to the compressor, and also risk slugging the compressor with liquid as you’re not letting it absorb enough heat, you’re just making it run in conditions it’s not designed for and will kill the compressor.
Hi, I'm also in Las Vegas. Would love to know more about your evap cooler shroud.
Kurt, What is the temp that it is designed for? The answer, not less than 32°. Which is why there is a thermostatic expansion valve on better units. They vary the refrigerant flow going into the evaporator coil. Temp right now in the house here is 73° and has been all day.
Kurt, the evap shroud never wets the AC coils and it just creates an outside temperature lower on any given day. How is that "making it run in a condition its not designed for"? So the AC shouldn't run on a 'just warm' day as opposed to a 'scorching hot' day? How is it better for the AC unit on scorching hot days vs just warm days?
Two questions; shouldn`t the unit DO this out of the box? Second, do you live on the equator?
I have looked all over for what you were showing, could not find anyway.. would you let me know were you bought it??
Window airconditioners all use a slinger ring on the fan that picks up condensate and flings it at the condenser fins. I do repairs at motels and the "engineers" are are always drilling drain holes in the trays because they don't understand that water is supposed to be in there. I have to educate them constantly. Window units don't get efficient and really cold until the condensate trays fill up and that can take an hour or more depending on air humidity. Great vid.
Thanks. And i agree with you on the slinger.
OK, here is the big difference on air con units that use the condensate and the misting units being sold. Condensate is the water that condenses out of the air on the cold side of the air conditioner. This water has no minerals or any of the other pollutants that tap water has. It is basically distilled water. That is the difference. Filtering water does not take out the dissolved solids in the tap water. Even carbon filters do not do that. Water filters (carbon) take out things like pesticides, nitrates, etc, but calcium, magnesium, etc (lime) still get by. If you are thinking it will be fine if you filter the water first. It's the same stuff that causes spots on things in your dishwasher, and what will clog up and corrode your condenser as mentioned by the people here trying to help you not make the mistake of installing these.
Lisa Dalton you have brought up a great point. Never having considered a misting system because I have never had a remote condenser I never thought about the minerals. Depend upon the water source it could be a real problem. If one were to capture the evaporator condensate and pump that to the mister you would be all set. It would only take a very small tube but could be a long run depending on the layout of the two units.
I didn’t know this. So when it sounds like the fan is spinning in water that’s normal? I never got why it wasn’t dripping and drilled a hole
cdthomas it is in fact running very inefficiently until it is throwing water at the condenser. How can anyone figure that the manufacturers are morons? At least do some research before redesigning the unit with a drill. I have literally seen hundreds of units at motels "re-engineered" by uninformed "engineers". Just think how much electricity is being wasted in a big motel due to those little holes.
I installed a heat recovery system on my unit. It uses the heat from the compressor to heat the water in my water heater. My AC has been making hot water all summer. As i use hot water the temp cools the refrigerant down and heats up the water.
Placing a large picnic table umbrella over the outside unit makes a huge difference in the summertime.
Thanks will give it a try