This would work fine, obviously the pool water would need to be kept
contained in a chlorine-friendly environment like the plastic pipes you use
for pools. The challenge is the heat exchange from the pool water to the
A/C unit which could be done with coils of plastic pipe but it would mean
redesigning your A/C unit to flow the air across them.

The other problem in your climate, of course, is now the heat from the house
ends up in the pool and your pool is too warm (hot). Not as big a problem
up here in the north where we actually have to heat our pools sometimes in
the summer!

John

"Pumbaa" wrote in message
...
I just got blasted for putting this on alt.hvac (apparently they don't
help
do-it-yourselfers) so I hope to heck that I don't irritate anybody on this
ng.

Hi All,
I am not an HVAC guy, just a home owner with a question, I believe
this
is the place to find an answer. I live in Memphis TN, pretty dang hot in
the summer, pretty mild in the winter. I have an in-ground pool, it is
roughly 26,000 gallons. I also have a garden variety AC, it is a 2.5 ton
unit. My question is this, could I use a water cooled heat exchanger as
opposed to the standard over-head fan air-cooled condenser? The water
would
be chlorinated pool water. It seems to me that I could kill two birds
with
one stone here. I mean the A/C and the pool pump are going to be running
anyway, why not give it a try? I know that the temp gain from a 2.5 ton
unit won't be that much, maybe a few degrees per day, but what the heck, I
am just wasting the heat now (as if summer air needs to be any hotter).
Also, on the hottest of days the pool gets up to 90 degrees all by itself,
I
figure on those days I can just run municipal water through the heat
exchanger and discharge it on my lawn, water here is CHEAP, so that is no
concern and it would not be that often. Also on those hottest of days I
would think that even 90 degree water would condense Freon better than 100
degree air, perhaps making life a little bit easier on my compressor. I
think that the real advantage would come early and late in the pools
season,
that's when the water is a bit chilly for a swim but the ambient temp is
just high enough that the A/C is running. Any input from the ng here
would
be great. And, I know that I cannot use an aluminum exchanger, the
chlorine
would eat it up (chlorine levels in a properly maintained pool are about
1.5ppm, however, when you shock the pool once a week it jumps to about
5ppm
for a while), I'm thinking copper or plastic (if such a thing exists).
Thanks
Craig