Thank you for writing. Usually when we want to save waste heat from the air conditioner we install a domestic water heat recovery system. They are $595.00 as of 4/24/08. You will need a refrigeration person to install it. Then whenever you are cooling the house you are heating the domestic hot water. Depending on where you live you can get free hot water between 2 and 12 months out of the year. People need hot domestic water all the time. I have put the waste heat from the air conditioners in the pool before but it is not as practical. In the spring and fall (Winter in southern states) when you need the heat in the water the most you need the cooling in the house the least. In the summer when you need the heat in the pool the least your system will be putting too much heat in the pool because your home a/c is working the most. So it works against you many times.
360 568 3718