Using Attic Heat To Heat Water

I tried cpvc first because it was easy.

Using attic heat to heat water.

Using attic to heat your water. In the attic and hope for the best. That s why my interest in using the hot air but passing it over or thru a heat transfer mechanism cooling the attic and heating the dare i use the word freon transfer fluid. I have read on this site that navien 240 is an option but longevity and hot water availability may be an issue.

Cpvc has a surprisingly high r value. Attic reaches about 130 degrees in summer valves divert water directly to heater in winter. You would need to insulate the preheat tank or coil heavily and then run the attic hot air from the attic peak through the insulated box only when the attic peak temperature exceeds the water tank temperature. Two prototype attic heat harvester systems designed to use attic heat were installed tested and enhanced over a period of two years the first system was installed in balerno near edinburgh scotland and the second in toledo ohio usa.

In areas that don t experience freezing temperatures a tank of water can be placed in the attic. This is a very different question than venting a bathroom fan or clothes dryer to the attic moist air as the heat pump takes humidity out of the air routes it to a condensation drain. Once it is sufficiently warm it can be drained down for domestic use. Connected to the inlet of the water heater.

I was worried about condensation on the pipes and also concerned about freezing even though i. The advantage of the heat pump is that it draws heat from the atmosphere but the problem is that the exhaust from the heat pump is cold and in the winter. Make a big box. Solarattic sells a system the pool convection system 2 that sucks hot air out of the attic of your house and pumps it into a heat exchanger to heat your pool.

The house was built in 1991 and is well insulated. Water comes out of the ground at 56 degrees. I am removing the copper baseboard radiators and going to use the central ac ducts to provide forced air heat. In other words an ac unit in the attic with the compressor end working thru or into the pool system.

In the summertime the temperature. Turn excess attic heat into hotwater step 1. 4 cpvc pipe in the attic laying flat across the rafters with a drip pan. Stick in some pipe.

I have seen a couple of these. I began to experiment and. In areas that do experience freezing a tank could be mounted on the finished side at the highest point of the ceiling.