the roof is varly open in our shop so constant operation is ok and due to the openess nessary, it should heat up a small room quickly (small one is like 115k btu) then you shut it off

Quote Originally Posted by wengenstein
I've seen the kerosene heaters but I don't know if the garage is sufficiently ventilated. How important is ventilation with a kerosene heater, is an open window enough? I was leaning towards a cheaper electrical alternative but it doesn't sound like it'll be as effective.