Re: Re: Re: Re: Re: OT - Heat Pump vs. Air Conditioner

Posted by screaminhollow on January 25, 2002 at 19:00:45 from (63.222.194.65):

In Reply to: Re: Re: Re: Re: OT - Heat Pump vs. Air Conditioner posted by Jhill on January 25, 2002 at 05:28:46:

Two things, heat pumps need to work to hard in very high and very low temps. Not only is the ground water a better way to dissapate the extra heat, it generally stays well between the two temperature extremes allowing the air to water exchange to be even more efficient. The bottom of a pond is usually the best of the possible worlds. To raise the temp so high you kill fish, you must have a mighty small pond. Given the large gallon capacity of most small ponds, I'd be very surprised if the water temp goes up by more than three degrees. Many contractors don't want to be bothered with anything knew or out of the ordinary. (Five years ago I asked a builder about radiant heat in the floors and he came up with a dozen reasons why it is too inefficient. I've since read that these reasons were all BS.) It is too easy to do the usual and just plant a two ton unit in the bushes next to the house.)

Second, if the astmosphere place is on an exterior wall, a small pipe or tube (2 inch diameter) from the floor of the firebox to the outside shoiuld do it. Don't forget some kind of grill work to keep out the vermin. It is nice to have a valve or shutter to cut it off when the fireplace is not in use.

Your builder may be correct for your area, but I'd tactfully get a second opinion.

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