I put a new propane heater in my shop a couple of weeks ago. I't keeping the shop at 60 degrees on a setting below the actual #1 position. It is 2 1/2 weeks into a 100 lb propane bottle and seems to have used less than 1/2 of it. 60 is pretty comfortable if I'm moving around. I can turn it up when I'm actually there working. Much more stable heat than the wood stove.
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