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Rustyj14
12-03-2006 17:37:33
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Re: OT Cold air return in reply to Indiana George, 12-03-2006 16:34:24
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The furnace heats the air-the blower sends the heated air up thru the heat pipes,usually tin, square or round galvanised pipes, usually in the walls, maybe the floor. Various square or rectangular pipes, thin tin. Usually one outlet in each room. Then there might be a cold air return in each room, which sends the cooler air back down through a larger tin pipe, into the blower area of the furnace, from whence it is heated by the furnace, and blown back up thru the tin pipes mentioned before. now, if you don't have a cold air return, your furnace can't complete the heating cycle. And, it will waste gas, or fuel oil, propane, etc., by running more to accomplish the heating of the house. If you don't have a furnace blower, then the house is usually heated by a large floor vent, connected directly to the furnace, and the heat will then drift around the house, and eventually upstairs. This heating method was in use in the 1880's and early nineties. Most homes built since the 30's have forced air, steam heat, or some other method of heating, especially the upstairs. I think you should install some other type of heating, especially if you live in a cold climate. you'll save a bundle on gas, oil, propane, whatever you use. Talk to the local furnace installer. they can set you aright on how to do it right!
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