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garymunson_2009

Free Hot Water from A/C

garymunson_2009
14 years ago

Since summer is about here, I thought I'd repost my support for heat recovery units on central A/C units when you are in a hot, humid climate where the A/C is used a good part of the year. It make no sense to 'waste' all the heat the condenser unit throws off when it can be used to heat your domestic hot water. In Florida, in particular, heat recovery is far more cost effective than any solar hot water can possibly be. In addition to being much simpler and cheaper, a HRU provides hot water much more consistantly and at the time of day the hot water is needed. Most hot water use is in the mornings or evenings when a solar system won't deliver hot make-up water, triggering it's back-up heat source. My opinion is that in Florida, Texas, or other places where cooling rather than heat is a concern, the obvious choice is a HRU on your A/C unit.

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