Reply by ajosephg

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Posted on Natural Gas Versus Electric Garage Heater

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1880 posts in 3590 days

#1 posted 10-19-2011 03:02 PM

First off, you are not comparing apples to apples.

A 5000 watt electric heater will produce about 17,000 BTU. That might be enough to keep you warm, but would take a long time to heat the area from a cold start.

When I lived in Nebraska I had a similar sized garage workshop and I had a 12,000 BTU electric heater that would barely keep it comfortable on cold days. I used a 75,000 kerosene torpedo heater to bring it to temp, (it would only take about 5 or 10 minutes) then let the electric maintain the temp.

If it was really cold outside (5-10F) the electric couldn’t maintain the temp by itself.

So – I said that to say this. You need to have a qualified person calculate how many BTU’s you need on the coldest day you expect to use your shop.

-- Joe

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