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Posted by over a barrel on August 14, 2008, 10:11 pm
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> wrote:
> >> >I am wondering how much hot water a geothermal heat pump with de-
> >> > superheater would provide. Could it provide all the hot water for a
> >> > couple, year round? What additional information should I provide?
> >> > Thanks, Jack
> >> Its gonna depend on the efficiency of the heat pump...
> >80%
> >What is 80%?? How about EER, or SEER?? FWIW, once you get around 14SEER,
and
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> >12EER, there is not really enough waste heat for a de-superheater. At
best,
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> >you *might* see 110 - 120 degree water out of the de-superheater under
> >"ideal" conditions.
> Gonna have to debate you that one - you still have sufficient
> heat at the discharge line, where a de-s ex goes, even though you're
> running a lower head.
> The REAL question shoudl have been 'what SIZE unit' ? 2 T ? 3
> ? 5 ? THAT tells you how much heat it MAY make available ) of course
> depending on the weather, and indoor settings )
> Efficiency of the HP has nothing to do with it, really. It's
> BTU's moved that matter.
> Hint to OP - in the winter, any heat it sends to make HW will
> be heat that otherwise would have gone to heat your living area.
> Capacity needs to be designed accordingly.
Pretty good site IMO for anyone wanting to incorporate this sorta thing is
here :
http://www.trevormartin.com/
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> >> >I am wondering how much hot water a geothermal heat pump with de-
> >> > superheater would provide. Could it provide all the hot water for a
> >> > couple, year round? What additional information should I provide?
> >> > Thanks, Jack
> >> Its gonna depend on the efficiency of the heat pump...
> >80%
> >What is 80%?? How about EER, or SEER?? FWIW, once you get around 14SEER,