Garage & workshop heating - concentric venting benefits
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- Опубліковано 12 сер 2014
- Concentric venting explained. Benefits include safety and greater efficiency through one wall penetration. Concentric venting allows you to pull combustion air from outside and send exhaust outside through one hole in the wall. The safety factor is that it is using fresh outside air for combustion instead of inside air which might contain combustible vapors depending on what you are working on. It is more effecient because it is not drawing air from your heated area and exhausting it outside, resulting in the need for cold make up air to be pulled in. If you are looking for maximum efficiency then a lot of insulation and a kit like this will help a lot.
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Thankyou for taking the time to mock up and explain the function of that system. I plan on converting my garage furnace to this system.
Great job putting out this video! I'm trying to install one and your right, there arent any real helpful videos out there. Thankyou, it helped!!
Video was great, have never installed one before and had a costumer ask me to install. This made my research really quick> thanks
Thank you for the information. I have been looking for exactly what you posted
Excellent explanation. Well done and thank you.
I know this is an old video, but the B vent can rust through over time. The connections are also not air tight. And of course, with it being inside a concentric box and having an air intake pipe surrounding it, you'd never even know you had a problem while CO2 is being pushed out (positive pressure system) the hole and coming back into the heated area through the intake. Cat 3 is required for the exhaust pipe in both a horizontal and vertical according to Sterling. And it has to be cat 3 from the heater all the way to the termination cap. Cat 3 is expensive - it added $460 to the installation cost, however it's the only way it would pass code, since code often uses the most restrictive between the local code and the installation manual. If a fire occurred and it was not up to code and wasn't inspected then your insurance company could deny your claim. That's not a risk I was willing to take so I bought the bullet and purchased cat 3. The only way you can use B vent is if you are going vertical and pulling the intake from the garage area. The only thing that doesn't make sense to me and Sterling can't provide a good answer is why is a non concentric separated vent system (exhaust going vertical) and intake coming from outside in a totally separate pipe require cat 3, yet if you pull the intake from the garage space they consider that a cat 1. I mean what's the difference between pulling the intake from the garage space, or 2 ft away from the outside? That makes no sense and maybe there is a reason I don't understand for that.
Modine (honeowner grade) is the HDS, Reznor (commercial/industrial) current is UDAS but is being superceded by UDZ (82-83%). Reznor also came out with a high efficient unit heater UEZ (92-93%) as well. Personally i have a 12 year old modine HD but when I build new next year I plan to have a UEZ
DAYTON
Vertical Combustion Air Inlet Kit, 6" , this is the one Im working with, but Im using sigle wall pipe for the exhaust, let see what happens, thank you for sharing
Great video, thanks!
Very informative video. I ordered the Sterling vent kit and the dimensions appear to have changed. The kit now longer comes with the pipes. The external pipe is now 7 inches.The pipe that goes inside the 7 inch pipe is a 4 inch UL1738 listed vent pipe. I'm having trouble figuring out what to use for this vent - is this a "b vent" or single wall?
thanks
Nice video with good info. Any videos on the installation of the venting pipes?
thank you much. that is the best info i could find on that exact concentric venting kit. How is it working? do you like the heater? I am looking at the Sterling 75k btu unit to heat a 1000 sq ft shop.
Could you tell me where can I buy the vent kit . I want to use for my Mr. Heater .
I am looking at this heater that you have , just curious how you like it, anything you don't like ? any input would be great, thanks . Mike
installing the heater video can't be found. you only put a link on the page at the end. most people can't click that link. should drop both videos in your playlists or "pin" the link at the top of the comments or drop the link in the description. thanks
Thanks for posting this video. I've been looking at the Hot Dawg, but the separate combustion heaters are pricey. I like the options the Sterling provides.
Please correct me if I'm wrong, but this kit appears to be made for horizontal venting only. I saw that Modine makes a vertical concentric vent kit for their heaters. Do you know if Sterling makes a vertical concentric vent kit? I haven't been able to find one. Thanks.
+hoopfan71 The Sterling concentric vent kit can be used for horizontal or vertical. It does not require a different kit for vertical.
ACF Greenhouses - The Greenhouse Specialists Yes, I got my answer by doing more research. I did have to buy tees for vertical venting to create drip legs. BTW, your service was quick, and the parts were reasonably priced :-)
Does the 6” pipe overtop of the double wall exhaust pipe need to have clearance around it as it penetrates the wall? Or can you just have a 6” hole through your wall?
I've heard that setup can have condensation issues? Had any issues?
Hey bud....love the videos! Anymore Dodge caravan repairs? Great job!
Hotdawg makes a separate combustion heater HDS models
Make sure your csst pipe is bonded/grounded otherwise it can burn your house down. A lightening strike can arc off your csst burning a hole through it allowing gas to escape and explode.
Please note: The concentric vent kit for the GG heaters has changed due to new laws regarding the type of pipe required to vent unit heaters. Piping for the flue/exhaust is now UL1738 listed category III pipe which is a stainless steel pipe with built-in gaskets and locking system and is sold separately from the concentric vent parts.
Also, unless I misunderstood something when I talked to Beacon-Morris customer service, the pipe kit is designed for horizontal venting. The pipe kit came with Duravent FasNSeal single wall UL 1738 pipe, and I had to buy a tee and condensate cap separately to vent vertically (FST4 and FSDF4). BTW, I bought the Beacon-Morris BRT045, which is the same as the Sterling GG45.
+hoopfan71 Yes. Our pipe kit includes all pipe needed for a 5' horizontal run. We offer accessories for customers who want to vent at an angle or vertical at www.littlegreenhouse.com/accessory/heater-pipe2.shtml
As of October 2014, the Sterling concentric vent kit doesn't seem to include the single wall pipes. Not a big issue. Question: winter temps are very low here. I'm doing a vertical venting through my garage attic space and roof. Should I include a condensate trap on the single wall exhaust pipe (if I can)?
+Gerry Lisi This might be a tad late for you, but a condensate trap is always a good idea, though not always necessary depending upon heat source. It usually is an inexpensive addition.
I see that it installed with a concentric right at the very back of the furnace
Thanks for the VERY informative video!!! Always something more to learn!!
Peace N Smiles! :-))
Dude, nice video. Of course now a days its the overkill class III pipe that is required for most codes. However, if you don't have codes to comply with, your system will still work on a majority of applications. With that said, the class III is a safer system but almost 2 - 3 times the cost depending upon where you purchase it from. I am going to be adding heat to another garage I just built and being that I have no codes to comply with (live in no mans land lol) I will probably run the system like you have here. I have always been a fan of make up air concentric systems. I think they allow you to heat your space a little more economically.
+tom h (Dr. Death) The sizes of the concentric box and accessories have changed to fit category III pipe now. The kit in the video was made to fit B vent which is a different OD.
Do you know why they have made such a fuss about using category III over the old B vent? I was going to buy a new heater for my garage but the cat III is just outrageously priced. If I do, I think I may just use the old B vent. I just don't see where it would cause a problem.
+tom h (Dr. Death) I agree. That legislation was probably pushed for hard by the vent pipe manufacturers, because they are making a killing! I was just letting you know the current concentric vent kits for these heaters have changed making it difficult to use B vent without modifying them in the field.
ACF Greenhouses - The Greenhouse Specialists ok, thank you, I appreciate the heads up. I like your stuff by the way.
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no cost on the item.. no BTUs, coverage... garage size...
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That kit sucks!!
Super complicated!!
Great video! Thanks.