Heater for garage
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kelpaso1
MEMBER EMERITUS
Get a minisplit. Way more efficient. My 12K BTU is on a 20 amp circut. Estimate it uses about $30/month in electricity in the cold winters here. I keep my 22x24 heated all the time.
Loose Nut Buster
Well-known member
I find a 30k tank top radiant propane heater to be quite effective and use it in my 26x36 garage to bring it up to 40° quite quickly. However it/they do not operate with a thermostat.
I have mine plumbed from a 100# tank outside and connected inside via a hose to locate it to an area where I'm working until the garage warms some in severe cold temps. The torpedo style can be stat controlled but are loud IMO.
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I have mine plumbed from a 100# tank outside and connected inside via a hose to locate it to an area where I'm working until the garage warms some in severe cold temps. The torpedo style can be stat controlled but are loud IMO.
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PassnThru
Well-known member
If you only have a 20 amp plug then you are pretty much limited to a space heater.
JRC3
Well-known member
Well, location is a primary detail in a thread like this.
If its 120V... any 1500W heater of your choice. Or, if you can find a heater with a 900-1000W output (or mode switch), you can possibly run two.
If its 240V... a couple cheap/used (free?) baseboard heaters and some kind of fan are likely your best bang for buck. You could have up to 3800W of heat that way.
Garagefffreak
Member
If you decide to use some sort of a split system make sure that the outside temperature is within its operating range.. 
BillK
Well-known member
There have been a bunch of threads about this same subject, some very recently. Use the search function.
I have this heater in my attached 2 car garage and it is perfect. Will heat it up in no time even when it is 20 deg outdoors. Mine has a different brand name but it is the same exact heater.
https://dayton.spaceheateri.com/4e169-5000-watt-electric-garage-heater.html
I have this heater in my attached 2 car garage and it is perfect. Will heat it up in no time even when it is 20 deg outdoors. Mine has a different brand name but it is the same exact heater.
https://dayton.spaceheateri.com/4e169-5000-watt-electric-garage-heater.html
BillK
Well-known member
Loose Nut Buster
Well-known member
Think _safety & insurance_, propane is highly explosive and the vapors are heavy, also if its heated with any open flame source down lows, this why most garage heaters are suspended from the ceiling.
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htmdude57
Well-known member
Go to Google and type the following words into the search box "1500w wall heater"
theoldwizard1
Well-known member
If you decide to use some sort of a split system make sure that the outside temperature is within its operating range..
You said that backward. Make sure the split system can operate within the range of your ambient temperature.
He actually didn't say it backwards. Heat pumps don't work so good when it gets really cold.
pcmeiners
Well-known member
Unless you get one specified for low temps. Also heat pumps are far more efficient than resistance heaters.
https://www.energy.gov/energysaver/heat-and-cool/heat-pump-systems
Tough to beat 100% efficiency of resistance heat.
Heat pumps may consume less electric energy to heat your space though....
MDJR3312
Member
I have tried electric wall heaters in my New England garage and they never seem to warm it up enough for me. Still gets uncomfortable and cold. I just recently purchased a Ridgid propane heater (if you would consider a propane tank) from Home Depot. Now I can ware a tee shirt in my garage its so warm. I highly recommend it.
pcmeiners
Well-known member
"Tough to beat 100% efficiency of resistance heat."
Yes resistance heater turn basically all wattage into heat but heat pumps produce more heat per watt as they are only transferring heat from one area to another, not creating heat. Heat pump will supply 30-50% more heat per watt than resistance heaters
Play with this calculator to see the difference.
https://www.seerenergysavings.com/afue-savings-calculator/
Yes resistance heater turn basically all wattage into heat but heat pumps produce more heat per watt as they are only transferring heat from one area to another, not creating heat. Heat pump will supply 30-50% more heat per watt than resistance heaters
Play with this calculator to see the difference.
https://www.seerenergysavings.com/afue-savings-calculator/
Well aware of the cost difference. I'm highlighting the difference between energy-efficient and money-efficient.
