Once it is sufficiently warm it can be drained down for domestic use.
Using attic heat to heat water.
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.
I tried cpvc first because it was easy.
Using attic to heat your water.
I began to experiment and.
Cpvc has a surprisingly high r value.
I was worried about condensation on the pipes and also concerned about freezing even though i.
Attic reaches about 130 degrees in summer valves divert water directly to heater in winter.
Stick in some pipe.
Water comes out of the ground at 56 degrees.
In the summertime the temperature.
If you don t do.
The house was built in 1991 and is well insulated.
I am removing the copper baseboard radiators and going to use the central ac ducts to provide forced air heat.
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.
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.
Over the period system performance data has been logged and proves the huge benefits of using attic heat especially from the perspectives.
Make a big box.
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.
In areas that do experience freezing a tank could be mounted on the finished side at the highest point of the ceiling.
I have read on this site that navien 240 is an option but longevity and hot water availability may be an issue.
4 cpvc pipe in the attic laying flat across the rafters with a drip pan.
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.
I will be using propane as as the fuel type since gas is not available.
In the attic and hope for the best.
Turn excess attic heat into hotwater step 1.
I have seen a couple of these.