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Subject:  Re: Green Condos Date:  3/4/2008  2:12 PM
Author:  telegraph Number:  1250 of 1701

Regular heat pumps are air to air. Take the heat out of inside and move it outside (AC mode) or take the heat from outside and move it inside (heat mode).

They are more efficient that electric heat.

HOwever, because they run all seasons, they are more prone to shorter lifetimes, and from my experience with two heat pump systems,you more than pay for the '