HVAC Done Right! Watch this before you install!
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- Опубліковано 14 лип 2022
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Finally got it up and running. The only delays we had was because we realized we needed some extra parts (I’ll list that below) ua-cam.com/users/postUgkxihMYiJNXcHdbH-7ihymsLz61l7jVyb5O . So we have a loft where our current hvac just couldn’t seem to keep cool during the summer. We have been using a window unit since we bought this house over 6 years ago (all the houses in this neighborhood were built in the 80’s and majority of the houses built like ours use a window unit). I hate window units because they are just so noisy and the one we had really only cools one side of the loft. I had contemplated upgrading our current HVAC, but with all the rising prices these days, it would take years before saving up enough to do that. With the advice of my father-in-law (used to run an HVAC business), he recommended we get an inverter instead. We thought we bought everything we needed, but there were just a few other parts we didn’t anticipate needing (which is what caused most of our delay). My friend and father-in-law did all the work to get it installed and running and now we have nice cool air circulating nicely throughout the entire loft. It is very quiet and even the outside unit is much quieter than our main HVAC unit. Saved ourselves thousands getting this.
It’s great! My shed has been completed and it turned out nice looking and sturdy and it is way better than the sheds that many of my neighbors had put up. Of course, I'm pleased with the outcome and this Ryan’s ua-cam.com/users/postUgkxGZedDTcDfgD7fG_uU4esfx_EgxzlY2_1 Plans was extremely useful to me as a guide.
So sorry to hear about your mother-in-law. When we replaced our 20year old system last year the technician was receptive enough to plumb the water outside to a rain barrel. We live in San Antonio and I’m shocked at the water we just flush down the drain every summer. We have a 20gallon rain barrel and it fills to the brim every two days. My lawn and plants never looked so good.
That's a great use of the condensate!
Good idea.
It works especially if you mix with rain water for minerals
I reuse mine too Some day we’ll all have to. When will water b $5 /gallon??
@@scottwebber652 Probably never, it costs 3-4 cents a gallon to desalinate water which is currently an expensive way to get water.
Sorry about your loss Matt. I do appreciate the more “budget friendly” options. Would love to see more. I know you kind of direct your content at builders, but us homeowners looking to upgrade or replace existing products may not always have the extra cash needed for the best of the best. However we would like options for better quality products.
2:28 "...not very big; this is about a 2200 sq ft house..." That's bigger than my house and about 95% of the houses in my neighborhood. 😂
I agree, most houses in my neighborhood range at 1,000 -1,6000 square feet. 😁
I thought he was gonna say about 1400, with Austin market they been getting smaller and still $800K
Yeah, and then followed that up by mentioning the “butlers pantry”! :)
When I heard that, I just figured "everything's bigger in Texas" - LOL. My house was 1,600 across 3 floors when I bought it, though, with an added floor, I'm closer to that 2,200 number now, but across 4 floors! I know Matt's focus is on high-end new builds, but I wish he'd cover some less than full-gut rehabs. Lots of old housing stock around the country that could benefit from more intelligent construction. I have several mini-splits and multi-splits in rental properties and they are great.
That’s bigger than my mom’s rental which is several hundred feet larger than the one we live in. A 2200sqft house would be a dream.
As a paramedic who follows you please re-think the doors. Make them wide enough with to many turns for moving a cot in and out. Thus always seems to be a forgotten ir missing thought all together.
House is already built/done.
Some of us do try to allow for the future. I always say that if you live long enough, you end up in a wheelchair SO I make sure every door in the house is wide enough. Especially closets and utilities/ mechanical spaces.
My grandmother had both legs amputated at the knees due to diabetes, visited one time and found her wheelchair outside the mechanical room and her inside cleaning/snaking the clogged condensate drain of the AC (of course she didn't call anyone for help, such an independent, stubborn and capable East Texas lady. Miss you so much Memaw)
You mean EMT don’t you?
@@bobjoatmon1993 big respect to gram’s
@@pampsuisselosangeles7145 no I am a Paramedic but any first responder moving a cot in and out of residencies know and understands the challenges of getting into and out of homes.
Good timing. Buying a house that has NO hvac. So trying to find a qualified HVAC in south GA to install just the right system for me. I have a lot of requirements, so it wont be easy. But at least this video gives me more knowledge into making an informed decision. In fact, watching your videos over the years has taught me so much. As I will have to get a TON of work done on the new place. I pray that all this knowledge you have given us will help keep me from being ripped off.
Best value: know someone that does installs.
Alot of BUTCHERS do installs. " Friend deals" people get the quality they pay for
I'll do it myself.
@@testthisfordecficiencies 99% if diy jobs are just as bad, it rare to see one done right and to code.
@@zack9912000 Most definitely. Maybe even more than 99 percent. I did all my own HVAC system but I had it engineered, permits pulled and inspected. Had to have gas done by a certified gas installer though. It is required here.
@@zack9912000 you know there are a lot of hacks but I still hook up friends and family purging nitrogen, flushing/replacing line sets on and on I’m a service tech and my installs look and preform like it legitimate or side job🤷🏽♂️
I find that it's not due to ignorance that people don't install these systems, but due to costs. Everyone would love to have an almost unlimited budget where they put 5/8 Zip-R on their roof with 4" of XPS foam and 4" of closed cell foam on the interior roof deck. But on a house that size you're talking about an additional $30k-$40k JUST IN INSULATION! If you did that on the whole build you would be pricing yourself out of every market. And there isn't a return on that kind of investment unless it's just for your own comfort. So these are nice for rich people, but it won't be viable for 95% of the population.
Couldn't have said it better myself.
I’d rather have a condo with 3 bedrooms, an ERV system, a main HVAC system and 2 mini splits than a single family home. You wouldn’t even need a car.
Cities need to get rid of the single family zoning crap and let people build luxury apartment complexes. The amount of taxes they could collect would be way higher because of the increase in density and we could have trains like in every other developed country.
To be fair, 99% of the population doesn't know what a WRB is.
@@wkobayashim Right, well and that's the point. Builders are the ones that are giving estimates on houses and a large portion of homes are being built in developments, not as custom homes, which means that the developer is looking for the cheapest guy 95% of the time. This means that he is doing a vented roof, blow in insulation and meeting minimum standards and practices. And even if it's custom, like you said, clients don't know enough about building science to see a benefit in spending 15x as much on insulation when the R-value is no different. They'd rather have a built in wine cooler, or fireplace, or...
Looks like a very nice system great work, guys! Between you and Christov I discovered I was having trouble sleeping because of VOC's in my house. I added a ventilating dehumidifier and a couple other little things to our house and I do much better now. It is a good feeling knowing my family is breathing fresh air all day and night long.
I'm glad Matt is doing well. A 2200 sqft home is not small especially if it includes a butler pantry. Lol. I guess hes used to building large luxury homes these days.
Must be Texas if that is considered small.
I thought the same thing. I don’t even have a pantry.
yeah I'm in California in a neighborhood full of 1960s tract homes and I'd estimate with the additions and garage conversions people have done here and there, they're maybe like 1200sqft on average now.
Very sorry for your loss! Thank you for your videos, been a huge help as we are in the process of designing and rebuilding our house, due to of loss of ours in January to fire.
I just saw mini splits that hide in the ceiling. Way better looking than the wall things.
Great HVAC guest. I love seeing someone passionate about what they do.
I had a huge problem getting a very sizeable rebate from my utility (a subsidiary of Exelon) because my DUCTED Mitsubishi system was classified by AHRI as ductless. The efficiency requirements for the rebate for ductless is higher than an VRF traditional ducted unit. The outside company that managed the rebate fulfillment strictly goes by the AHRI classification. To that end, I got nowhere pleading my case with them. I called AHRI which was useless. Finally, I emailed the CEO of Atlantic City Electric and explained the issue. Someone knowledgeable about my issue called me back and agreed that my unit was ducted and should only have to meet the VRF unit rebate requirement. Thus, I received the $600 rebate after they directed the fulfillment company to do so. I think the manufactures need to direct AHRI (which I believe is an industry group) to address this problem. Currently I can see someone for example not buying a Mitsubishi unit because of this issue.
great story
Call your local politician and tell them about this inequity....you may find that you can get a positive response. Many of these rebate programs are federally funded.
They come across as well meaning but their interest is in making a living for themselves. That included politicians looking to make points.
Good job!
@@elgringoec especially gas rebates, it's to keep people addicted
RIP to your wife's Mom and hope her father is doing well. Very interesting discussions on HVAC systems and also the HEPA filter. Thank you and God bless you all.
At our new house we just finished (who am I kidding, nothing is ever “finished” in my world… 🤣😂). We moved in a little over a week ago. We opted to do a 12k btu Daikin MS in our kids playroom/bonus room over the garage due to the L shaped configuration would make a pretty long duct run and my HVAC guy said I wouldn’t be happy with a zoned system off the upstairs unit. The house is zipped & spray foamed so pretty tight. Scored a 2.0 ACH50 on our blower door with some missing door weather stripping (painters left the evening before, and I didn’t have time to get all the WS reinstalled perfectly before he showed up at 8am the next morning). That mini split conditions that space perfectly and it’s so quiet.
Matt, You have made me a believer in supplemental dehumidification. I’m in GA about 15-20 minutes from Zane’s build. (I’m actually buddies with Zane). I did a 100 pint AprilAire system for the house. Also bought a 70 pint in the unfinished basement (haven’t hooked that up yet. Got a Deal on a lightly used SantaFe unit off eBay for $500!) Our other 2 main systems for the 1st and 2nd floor are Trane traditional ducted systems. 2.5 ton each. High efficiency VS furnace & 16 seer AC. Also did a Fantech ERV. Unfortunately due to budget overages & equipment availability we had to change plans last minute and switch to single speed 16 seer compressors. Regardless though, this house is the most comfortable house I have ever lived in. We can keep the AC at 75 and it’s super comfortable in the house. If you had told me that before, I would have thought you were crazy setting the Tstat at 75 in the summer in GA. But it’s totally comfortable. We sleep with it set at 71 degrees, whereas at our old house we’d turn it down to 67 at night.
The house is not very big...it is about a 2200 square foot house. You live in such a different world. Our retirement home is a twenty year old three bedroom two bath with attached garage at 1485 Sq Ft. We live in a nice subdivision on the coast of Texas. 2200 for a retired couple seems huge to us.
that's cause it is, unless there's a quite a deal of money to offshoot to assisted cleaning businesses. He's becoming out of touch with his viewer base imo. 1500 sq/ft is average. 800-1200 is small.
Hvac guy here. This is exactly what I'm doing for my house but I'm using mitsubishi. 2 ton and 1 ton. Full size airhandler and mini split condenser. Went with the high efficiency units. Update later. Amazing work as always sir. Great upload 👌 👍.
Thanks Frank!
The old heat pumps had so poor performance near a freezing outdoor temperature is because the US manufacturers didn’t want to impinge on their furnace market. It was only after the Korean mini splits forced companies like Carrier to compete did you start seeing heat pumps with good cold weather performance from US manufacturers. Should sort the market out now though.
Not up north. They cannot maintain a high enough heat delta to the outside. In Canada, you have to specify additional heaters for really cold days. I opted to not use them.
I live in Quebec and i have a 2 zones 24000btu fujitsi mini split and it keeps my 1200sq ft floor space to 22°c down to around -18°c outside. And it's and pld house with old wooden windows and pretty standard insulation.
Those things perform really well. 12th year now and never got a single problem with it.
@@ProbeGT2 Same thing i Norway to. We have had inverter controlled mini-split heatpumps that works down to at least -15 degrees Celsius in the wintertime for 20 years now, they where mainly brands from Asia.
I saw somewhere that Carrier uses the Mitsubishi technology and Trane uses the Toshiba technologies in these variable frequency driven systems. Something about tooling over and costs to the production facilities using previous designs the market dictated. Your point about the industry impingement is illuminating. Freedom actually consists in the insight into contingency of what was presumed to be necessary(Hegel).
@@testthisfordecficiencies Wrong Mitsubishi H2i + hyper heat units will give 100% full heat to like 5 F 60% -15 F...It's not 1990 anymore And the SEER rating are phenomenal. the world uses Mini Splits the U.S. doesn't cus we are as usual, behind the times....
Matt, I like the build. I'm looking for a home in that size. I love your other stuff just a bit outside of my price range. This one looks like a good fit for most people
I could listen to him all day long, how refreshing to have someone so knowledgeable.
Great systems can’t complain. Went with Lennox. 4 years later still no leaks etc. also great warranty 12 year free parts and labor. Excellent engineering
I love my minisplit units that replaced an old worn out and really inefficient central heating and air unit and with 3 of them if one fails it's not an issue as the rest of the house is still cool, plus they draw so little power and don't have the big surge loads of a central system that they easily run on my solar inverters. Keeps the house cool in the summer and warm in the winter with no problem and a separate ERV system handles air exchange and filtration. The efficiency of not having duct work makes a huge difference too. Mine is an old house so neither the attic or crawl space are conditioned spaces so eliminating lots of duct work from there and the heating and cooling systems eliminated all the losses you have from running a system in an area that wasn't conditioned.
Another benifit of multiple smaller outdoor units is they tend to be more efficient than one larger outdoor unit. For example I've seen some 9k BTU units have a 30 SEER rating. That's crazy efficient!
I have never seen a 30 SEER even on a 9k unit. Could you give us a brand & where we might find these. 21SEER is the top I have seen on any brand or size.
@@morrishowell7410 Blueridge has a 38 SEER, Fujitsu has a 33 SEER
@@morrishowell7410 Carrier Infinity series 38MPRA up to 42 SEER
Mitsubishi MZ-FS09NA is 30.5 SEER
@@wjthehomebuilder Thank You Sir, I have never seen these advertised anywhere before, I will check them out.
@@wjthehomebuilder new Mitsubishi h2i hyper hear in northeast has heating down to -15 f....which is amazing....no resistance heater...
Just a comment on the air filtration unit. I have been using hepa filtration units in 2 bedrooms for probably 10 years now. I'm sure they aren't as efficient as the unit in this video. What I will say is that even though we have fairly hefty filtration on the central HVAC system, we hardly ever have to dust the bedrooms compared to the rest of the house. They also give off enough white noise to make sleeping easier (at least for the wife and I), although units like in the video may put out even less sound. The cost of purchase, filters, and a small amount of electricity, is well worth it.
I took out the central and installed a multi zone mini split 30 seer. A must have for Tx heat
Great guest, explains things really well, and you can tell he has passion for his work!
Excellent home, really good building science and HVAC design.
Condolences for your mother in law.
This story displays something very important for A/C: things change in life. When the house was designed it was for two people and potentially a third. And they planned a workout room and study which instead became a TV room. And as mentioned in the video, things can be happening in different rooms that have different A/C demands (e.g. a large party that needs cooling vs an elderly woman at rest who wants more warmth). And if you have just one central A/C for the whole house and it's been carefully designed to be optimal for it, then you can't close off vents to distribute the temps more to your liking. The backpressure on the unit is bad for it. And then there's return air. Somehow you need to get air into each room back to the fan unit. Separate return in each room, or else you leave a big gap under each door. And each room can be impacted by outdoor conditions differently. In the morning on a summer day the eastern side gets hotter, but in the afternoon the western side gets hotter. And if you aren't using a room or two (as is probably the case with Matt's father in law since he's living alone in a 2400 sq ft home) why air condition all 2400 sq ft? What a waste if you can't 'turn off' some rooms.
Bottom line each room needs its own temp control. That's optimal. Mini-splits accomplish that, but at what cost? No mention of it in the video. How about in-wall heat pumps (securely mounted so a burglar can't push it in)? Those too have become very quiet. No ducts at all, no refrigerant lines, no separate compressors, and easy enough for a handyman to install as long as the required electrical outlet is there and the opening is framed the right size. People with big money wouldn't like the looks of it, but for people on tighter budgets than your father in law (and who aren't fortunate enough to have someone like Matt as his son in law to build it) seems that might be a viable option.
Speaking of costs it would be very helpful to have some idea of what the energy savings are for a home built like this. E.g., what type of electric bills have you been seeing, and what was the scenario (number of people, typical outdoor temps, indoor set point, etc).
Thanks for sharing this Matt! For the 2,200 sq ft home in the video, are you able to share how many kWh the unit is consuming on average per month? The installation looks amazing!
Condolences on your mother-in-laws passing. The home turned out pretty dang nice. I also noticed that this home had a Champion Whole Home ATS box. Does this home have solar or a gas backup generator? That would be another good video to watch considering the very hot temps here in Texas.
Gas Champion being installed now on this house. Video of my house Champion install coming soon !
Best value for this episode... Free sponsored Carrier system with free install from my number one HVAC sub contractor 😐
Jealous much?
@@daveklein2826 Please, what else is in this video?
It was such a good deal! lets air-condition the garage!
@@rayfedorak4770 😂 but just a little, 55-80 in the garage
Hey Matt, I just got a Sanco heat pump water heater. What’s cool about it is the tank is inside while the heat pump is outside and only 38 decibels.
I really enjoyed listening to your guest.
I love your videos Matt been watching for 5+ years. I just think lately I can no longer relate to you as a homeowner. You do amazing things, but they are amazing things for rich people. I would like to see you expand your Build network to help with entry level or remodels for average Americans. Just an idea I'll still watch your videos they are pretty awesome to see what the best is and where possible use that information when I take on a remodel project but again relating this to information as a lower end to mid range home owner not extremely helpful. Maybe you don't have to change anything but maybe think about adding a build professional that works on average homes and what best practices, tips or tricks would be.
Brought up your point several months ago and others lost their minds about how this channel is not about that. It is difficult to relate when money is no object.
So sorry for your loss. I have a similar story, trying to build an ADU for my MIL. Health is ok, but we fear the same thing. I hope we can move her in by Xmas 2022.
“On all the time” scares me from a humidity/ mold standpoint when talking about HVAC. I’ve seen so many problems in homes were they get mold because of that. The coils get loaded, the coils shut off, then if the fan keeps running it turns the system into a humidifier.
Same problems occur with mini split and is a much more common issue.
Aww, tell the wife we are sorry to hear about her mom. Otherwise, these details are really great. I love that new closed-cell too. 👍
Will you have a video that compares Heat Pumps, Mini Spilts, and Traditional A/C Unit. That also gives you a better idea when to use each of them?
Thanks for video. Was wondering why mask in attic not knowing it was filmed 18 months ago. We moved to FL in house built in 2003 1800 sq ft. Furnace now on gas. Looking to to put a min split in Lanai around 300 sq ft garage and small bedroom facing south. From video maybe split for these rooms and second unit for main house. Will need to get a HVAC contractor out to go over my thoughts. Originally was thinking one unit until watching this.
Thanks again for very informative video .You are one my favorite builders...practical and innovative!!
Appreciate that!
On a side note, that’s nice and all to advertise for carrier but VRF tech is 40 years old and was invented by Daikin in 82. Carrier does not manufacture these units but Toshiba as all or most American AC manufacturers have over the past years. Why reinvent the wheel?!
Also a 9kbtu for a bedroom is beyond o resized and in a hot and humid climate is criminal if you don’t have proper dehumidification because what Christophe failed to mention
is that those units are very bad at dehu. They have a 90/10 or so sensible heat ratio, which is not sufficient for humid climate on a “normal” house especially when the load is maybe 3kbtu at most.
I think you mean Midea. Midea and Gree make most of the minis that are relabeled. They also make most of the parts for Mitsubishi and Fujitsu. Everybody buys their stuff from China.
Perfect timing! I need a new hvac system!
Looking forward to the Carrier/Exergyn shape memory alloy HVAC video on this channel!
Good info with great explanations and some interesting nuances.
Matt: Now the house isn't that big - it's a 2200 square foot house...
95% of the world: That's about 3 times the size of my place!
We did our own install. MrCool Olympus Multi Zone system. No experience. We can have 5 zones but are only using 4 currently. It's been very hot this summer and it's doing find keeping the house cool. We are Off Grid through so we onky run it until 10pm. The house is sealed up and insulated well so ot stays comfortable until the sun comes up the next day.
Good luck finding contractors who will touch those china made mess. Parts are hard to get for those and repairing them isnt pleasent. Companies here refuse to work on DIY systems
@@zack9912000 absolutely with you on this. I helped one person with one of those things, washed my hands of them after that. They are cheap for a reason! We sell Mitsubishi or we don’t sell a mini split to the consumer.
@@zack9912000 Luckily I have a good local HVAC guy who we've used for 20+ years. He helped charge the system and knows how to work on them.
@@Off-Grid I have 3 minis in 2 buildings. They are working fine after 3 years. Last summer i had the regular five ton in the house replaced by a unit made in Texas. It never heated right and was replaced under warranty after 8 service calls. The Japanese minis are better quality than than the made in America stuff. They are not hard to work on either. I see a lot of whiny ac guys trying to steer people away from minis but they are here to stay.
@@user-bj4lp3fr1o hey, I'm not arguing with you. If it works it works and so far it works just finem
Why do you have the units in attic installed before spray foam and insulation? Just curious- very helpful videos, love watching them. Thanks for content.
Carrier does not make any mini splits. These are currently made by Toshiba with the Carrier logo being applied. For a better unit at a lower cost, get a LG or Mitsubishi.
Hey, I hate to be that guy but I did see something that you might consider on your next installation. I probably wouldn't want the outdoor units stacked on top of each other. When the top one goes into defrost the water will run down onto the bottom unit. I'm not familiar with carrier mini splits but sometimes they give you drain adapters to run the water away. Also, the pcb board is generally located on the top of the unit so if the board goes bad on the bottom unit the tech might be cursing out the installer. Other than that it looks stellar!
This is a smaller house.. So here's the butler's pantry 😂😂
Yeah, that’s actually pretty funny! Thanks for watching my friend
30% larger than the largest house I have ever lived in, my current one @ about 1500 ft^2.
Any advantage of the wall-mount head vs a ceiling cassette-style unit? I like the idea of keeping the hardware in the crawlspace.
Wow. The 10th video on HVAC I watched on UA-cam and it is by far, BY FAR the best. The rest seem to be commercials without saying much.
Appreciate that!
Interesting selection of Carrier equipment vs Mitsubishi which I think I typically see in your videos on HVAC.
Thanks for video! Putting a multi split in my split level if my A-coil loses refridgerant again. Problem is that if it's in the hallway, will the bedrooms stay cool on the other side of the wall? Any tips on finding a good installer that won't rush it? Can I use my old ductwork for fresh air?
Can you please talk about the roof out/insulation? What's on top, what's under the roof deck in the attic?
Great information Matt. Sorry to hear about your Mother-in-law. Just sad she did get to see that amazing high tech home.
The insistence of industries like HVAC on turning colloquial internal uses of terms like VRF and Ductless into official terms with counter-intuitive and confusing meanings is just absolutely infuriating.
You do not need VRF or a mini split condensing unit/heat pump to do variable flow refrigerant. Traditional systems use vfd driven and digital scroll compressor technology with a more robust product.
Beautiful home, beautiful systems.
hi Matt
I noticed that they ran the mini split lines to the inside of the building, I was wondering how the handle the routing the lines and the drainage lines?
Seeing that big water heater tank in the background reminds me to wonder why we don't do more water heating recovery from A/C units.
Thanks for your videos, question, have you tried aerothermy HVAC?
What is the HVAC industry doing if anything to mitigate the GFCI tripping issues?
As the 2023 code is removing the TIA exception for many splits using adjustable motor speed controls.
This GUY is FANTASTIC !!!
This guy is soooo knowledgeable
You mentioned that when you are cooking in your own home that you noticed that the particulate matter indicator on top of your Hepa filtration unit went up and it was a great reminder to use your exhaust hood while cooking. Is there any issue or danger that the Hepa unit could interfere with airflow pathways within the kitchen and cause the exhaust hood to not perform as well as it should?
Hey Matt, can you give the specifics of the Carrier model ACs & heat pumps that you used in this house, please? I would like to compare it to my current rebuild, very similar situation. I am especially interested in the ducted VRF system model/unit/size. Thanks.
So do you have an AC / return duct for the attic space where the HVAC is, or do you just have it within the thermal envelope of the house?
Sorry about your loss!
21:45 Was looking for examples of how to bring conduits outside. Looking forward to seeing better examples of this.
It’s a small house only 2200sqft with a butlers pantry
I have the same wall units and similar units outside my house installed in June 2021. I noticed sometimes the wall units make strange noises while running. The noise doesn’t last real long but it happens during the summer and I don’t understand why that is. I know during the winter it happens but it displays “df” which means it’s in defrost mode when it’s cold out. Any idea what could cause it to make the strange noise during the summer? The units were cleaned professionally once this season and the tech couldn’t really explain the noise
Those units are manufactured by Midea. Midea manufactures the majority of ductless and mini split units. The Blueridge systems are manufactured by Midea an are nearly identical to these Carrier units, even have the same 24v interface.
Thanks for the info Matt! 😃👍🏻👊🏻
Always appreciate your comments/Support Fred!
@@buildshow No prob Matt, I really enjoy all of the building science, techniques, and products that you cover in your videos, as well as following along with the progress of the builds. I'd love to one day have a home built to the standards and quality of what I see from you ... 👍🏻👊🏻 ..... So sorry to hear about the passing of your Mother In-law 🙏🏻❤️
Carrier is a little behind the curve as far as Mini splits are concerned.
How do you seal at the garage door for the purpose of having the garage space conditioned? Are there any special seals over and above what is normal for a garage door?
Gorgeous house Matt!
Thanks!
Sorry about your loss Matt!
15:25 some systems, at least in commercial or large scale housing, can move heat from one room to another (cool one room by using it to heat the other)
That is a VRF system.
The type of system they are showing either heats or cools.
A true VRF system can SIMULTANEOUSLY heat AND cool.
He glossed over many things, it is a short video, but he did try to explain the difference. It is the location of the metering device but only to a point.
Hello build show my question would be of all the great stuff that I'm hearing and how advanced technology is how good is this unit towards warding off legionnaires disease 🙏🏾🙏🏾🙏🏾
so lets see-your main units a high static pressure, ducted VRF ? how is that different from a variable fan speed and variable consider system ?
Insulated flooring, celing insulation on top of insulation, t-studs with more insulation, air conditioned attic and garage, 3 compressors, my grandparents will still have the thermostat set to 88°F (31°C). They'll also be wondering why the fan won't turn off.
How is the erv tied into the ducts? Or spare there two registers per area for heating/cooling and another for air exchange?
Condolences on the loss of your mother-in-law. I wonder if there are other options for that small room besides the wall head and discrete filter. Are any of the “pizza box” units that you can put in the attic able to do adequate filtration? Between the rather bulky wall unit and the floor-standing filter, I just feel like they overwhelm that space.
Sooo , how many ducts / rooms is that 2 Ton supplying ? With a 3/4 ton just for the media room ?
And is the Whole attic conditioned ? Or just a “ HAVC “ room above the garage ?
So sorry for your loss That's horrible
If you have a carrier infinity heat pump and fan coil you definitely want to spend the extra few hundred bucks for the infinity control stat so you get the full benefit of the system, ecobee is great if you have a traditional 1 or 2 stage setup, the engineer missed out on a lot of the good things carrier/ICP systems have going for them which is unfortunate
The infinity only works on infinity equipment. All carrier mini splits are made by midea so the two "languages" won't understand eachother. Just FYI.
0.139 U Factor, nice!
I just installed tilt/turn Innotech windows that are 0.16.
Innotech make a nice window. 👌🏻Congratulations!
@@buildshow Thanks Matt. I only knew about Innotech from your Victoria BC build series. So thank you!
Greetings to everyone in Brooklyn NY I have a project on the 4th floor, upstairs is the roof on 3 sides is bricks, what do you recommend for insulation or how to do it? Thank you very much in advance.
Any chance you could make a video about that backup generator from champion that was installed in the house too? I see the switch and have been looking into it. Thanks for the great videos!
I put one at my house and a video is coming soon!
also cleaning mini splits are so hard compared to conventional attic coils with normal denser filters.
ilickspam - Do cleaning the indoor wall warts or in-ceiling mini-split indoor units involve more than removing and washing the plastic dust filter every 3 months? Do you get a lot of dust in those coils that must be carefully vacuumed out? I have a concern about this question and it sounds like you have experience.
Condolences on your Families loss, I have a question for the unit upstairs. How come you do not have a secondary pan under the unit?
Excellent stuff bro
I have seen many videos showing attic ac units causing mold when used with spray foam! Do these modern units prevent that now.
Why didn't you use an in ground heat pump... would that not be more efficient overall?
Can you comment on the increase in relative humidity with mini splits? I replace my package units with two Mitsubishi (8 zones) systems. Prior RH was 55%. Mini splits range from 65-70%! On dehumidifing setting temperature goes to 67F with humidity reaching only 60% at best. Many comments on Reddit makes this seem common. How is RH working out on your systems?
Man, that guy sure is a good salesman! 🎱
What's the best way to find a HVAC design when trying to uplift your existing home? I'm near Dallas, if that helps, and my HVAC is a single unit for a 4500sq ft house and does not work well.