Posted by Matt Risinger | May 21, 2019 | DIY | 21 |
April 15, 2018
July 18, 2019
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March 12, 2018
I cannot believe anyone would do this!?!? So dumb. Even someone of average intelligence would not run HVAC like that!
not code in Virginia either. mini split yes
Not allowed to use house HVAC in garage in NC either without some automatic fire retarder on each duct
Matt, I really love all your videos, especially the ones on HVAC. I am a HVAC contractor here in Alabama and good practices are rarely followed although they are improving. Keep up the good work on telling about the energy savings and the VRF systems. I try and talk everyone that has bad duct in crawl spaces to convert to some type of no duct VRF system. Thanks for bringing it to the forefront.
Why would that pass code? I don't think it would pass here in Oklahoma, and our code kinda sucks
Nice video Matt. I have a garage door business here ATX. Seeing a lot more of those air conditioning units in garages, which means insulated garage doors are becoming even more popular!Keep up the good work!
One thing you fail to mention was energy savings split systems use about 900 watts give or take more efficient too
In the north Midwest (south Dakota) mini splits work great for ac in summer but in the winter months the heater part is pretty worthless. Always have a backup heat source if you need to keep anything from freezing in the garage or shed. Saying that from experience!
I’d like to heat and cool my 40×60 shop…wondering if a unit suited for this size space exists?
Not a fan of the idea of using central home ac. Using your stand alone mini split is the better idea i agree. I plan on running mini split for the whole house. As for garage, unless you are insulating it, and are going to use it for a workshop, I don't see a point in doing AC in the garage.
If you pull several thousand pounds of hot vehicle into that garage, you're never going to cool that garage with a "stand-alone" system mounted in the attic or a mini-split. You'd better off with a high-capacity "window" air conditioner installed in a non-window opening on the shadiest/coolest wall of the garage. Using a min-split supplied with refrigerant from the house AC system is STILL going to be a demand on that system, the cold air STILL won't go anywhere and you'll have a positive-pressure situation with higher pressure in the garage until the garage is at least as cool as the house and you'll still be forcing those dangerous vapors into the house. And by the way, modern vehicles with evaporative emissions controls and the engines turned off do not give off harmful vapors. If they did, we wouldn't have attached garages PERIOD with doors connecting them to the house, would we? And even small engines these days tend to have "sealed" gas tanks. You have "dangerous" gases like carbon monoxide in your home every time you have a candle or pilot light or burner lit on a gas range.
If you don't have anywhere for the "dumped" air to return, you don't have any "dumping" period. You end up pressurizing that space and airflow ceases. That reduces load and demand on the HVAC system.
Tripled studs in the "solid" portions of the walls and single studs under the windows and windows literally "cornering" each other. Fine craftsmanship. I didn't know Stevie Wonder was into framing houses.
What about mini-split vs P-TAC for garage spaces?
Hey Matt, I have always wondered about a clothes dryer putting negative air on the home. I wonder if there is a way to avoid that. Ok get to work.. lol thx
I'm always looking at HVAC installations in friend's houses and am amazed at the poor designs of ductwork. Your garage HVAC video is a good example of such poor planning. I doubt that the "designer" of the system used any common sense.
That would never pass code in Oregon, you can not use the house hvac system in the garage for all the reasons you stated
who air conditions garages?
So why would code permit or allow this?
Split systems are more or less the standard here in Oz. Ducted is comprativly rarer.You can also get split systems with two wall units (to say, cool two seperate parts of the house).
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