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Heating a small room in the winter?
A small industrial building in northern Ohio. The building is not heated, but the bathroom needs to be heated so the pipes don't freeze. The bathroom is maybe 10x15 feet. The walls are cinder block. Two walls face the outside. No insulation on the walls. The ceiling has about 6" of fibreglass batt and 1.5" of styrofoam below that. The coldest it gets is 10-20 below zero. We'd like to heat it to 40-45 degrees, only to keep the pipes from freezing.
How many watts or BTUs of heater should I be looking at buying? There's no vent so it would need to be a ventless gas heater if it's gas.
Does it make any difference if there's a hot water heater in there?
3 Answers
- BrianLv 61 decade agoFavorite Answer
Without running an actual load calculation on the room based on it's size and the temperature differentials I would guess around 4000 btus or 1400 watts of heating power in the room would be plenty. The hot water heater would be a small benefit but is negligible since it is insulated and you get no noticeable heat gain from it.
- robnrobn2000Lv 61 decade ago
if this is the only room you are needing to heat then just get a thermostatically controlled space heater. I have one in my pump room and leave it on low. It shuts off at a certain temp but keeps everything from freezing.
- 1 decade ago
Look into an Eden pure type heater. They really don't use that much electricity. My parents use theirs all winter long, and their bill never goes over $100 per month, and they have all electric appliances.
