Using Attic Heat To Heat Water

Make a big box.

Using attic heat to heat water.

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. If you don t do. In areas that don t experience freezing temperatures a tank of water can be placed in the attic. 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.

In the attic and hope for the best. I tried cpvc first because it was easy. I have seen a couple of these. Using attic to heat your water.

I began to experiment and. Connected to the inlet of the water heater. In the summertime the temperature. 4 cpvc pipe in the attic laying flat across the rafters with a drip pan.

I have read on this site that navien 240 is an option but longevity and hot water availability may be an issue. 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. Once it is sufficiently warm it can be drained down for domestic use. In other words an ac unit in the attic with the compressor end working thru or into the pool system.

Cpvc has a surprisingly high r value. In areas that do experience freezing a tank could be mounted on the finished side at the highest point of the ceiling. 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. Stick in some pipe.

Over the period system performance data has been logged and proves the huge benefits of using attic heat especially from the perspectives. The house was built in 1991 and is well insulated. 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. Turn excess attic heat into hotwater step 1.

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. I will be using propane as as the fuel type since gas is not available. Attic reaches about 130 degrees in summer valves divert water directly to heater in winter.