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how many BTUs???

skimanreplay

New member
Joined
Jan 21, 2013
Messages
1
Looking at buying a gas heater for a larger (bit shy of 1500sqft) garage with 14' ceilings and looking for recommendations in terms of BTUs

The particulars: Live at 6500 ft elevation in mountains but sunny area with walls & garage door insulated and heated living space above the garage -- such being the case w/out heater the garage has yet to go beyond freezing (in second winter living there). My goals are to make sure the garage doesn't go below freezing, maybe warming it up (probably 50 degrees max) with ability to increase a bit when working in the garage (perhaps 60 degrees).

Fortunately is all pre-plumbed by builder, got my gas, mount, vent, thermostat wire, electric.

While BTUs is primary question also value thoughts on particular makes / models.

Thanks!
 
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dave67fd

Well-known member
Joined
Apr 25, 2011
Messages
872
Location
Southern NH
Assuming well insulated as you stated, IMO 75-80k BTU output should be more than adequate. 100K would be my max.

Several popular models are the Mr.Heater Big Maxx, Modine Hot Dawg, Reznor, Sterling etc.. Their all of similar design and operation. Some available with seperate combustion air (for use in higher dust/chemical usage)
 
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nehog

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Jan 2, 2010
Messages
7,935
Location
Jaffrey, NH
You may even be able to get by with a 50K BTU heat source. I use a 150 for 2K sqft, not as well insulated, kept at 40 when I'm not there, and bring it up to 50-55 when I'm working. I could get by with 100K easily were it not necessary to (quickly) bring the temp up 15 degrees so I can work!
 
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