Unheated garage - http://www.hvacmechanic.com/ Forums
Original message
| ken33
 |  "Unheated garage"
, posted Sat 19 Apr 21:50  
I have an unheated garage below our kitchen. I recently installed a new insulated garage door & studded & insulated the cinder block exterior wall. We have a gas hot air system & a supply duct runs through the garage ceiling. Can I tap off that supply duct with a register to heat & cool the garage???? If I do, will it divert too much heat from the duct feeding the living spaces???? Also, will I need a return duct from the garage to the heater which is located in the basement right on the other side of an interior garage wall???
Ken
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Replies:
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| Jojo98
| "Re(1):Unheated garage" , posted Sat 19 Apr 22:54
Yeah, what they said!
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| ssmrjm
| "Re(1):Unheated garage" , posted Sat 19 Apr 22:48
even if you only put a supply duct to the garage fumes can be drawn into the house when the furnace fan is off
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| vandvmechanical
| "Re(1):Unheated garage" , posted Sat 19 Apr 22:15
Best bet is to install a small Reznor to heat your garage. It will heat up fast and should not cost to much to operate. It is illegal in the U.S. to put a return in your garage. You would suck up exhaust or other harmful fumes and supply them into the living spaces.
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| theduke03
| "Re(1):Unheated garage" , posted Sat 19 Apr 21:59
You cannot steal air from one area to heat another. All of your ducts are sized for the rooms they serve. Also you must not put a return in the garage. It's a matter of life and death.
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