Using Attic To Heat Water

Once it is sufficiently warm it can be drained down for domestic use.

Using attic to heat water.

Connected to the inlet of the water heater. The house was built in 1991 and is well insulated. 4 cpvc pipe in the attic laying flat across the rafters with a drip pan. Cpvc has a surprisingly high r value.

Attic reaches about 130 degrees in summer valves divert water directly to heater in winter. I tried cpvc first because it was easy. If you don t do. Turn excess attic heat into hotwater step 1.

I began to experiment and. 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. Stick in some pipe.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. I have read on this site that navien 240 is an option but longevity and hot water availability may be an issue. I will be using propane as as the fuel type since gas is not available. Giant tanks of water happen to take up a lot of square footage and primarily for that reason many builders have opted to place water heaters in the attic of new homes.

A water heater in the attic saves square footage tank type water heaters are big hulking cylinders filled with anywhere from forty to seventy gallons of hot water. I have seen a couple of these. Make a big box. I was worried about condensation on the pipes and also concerned about freezing even though i.

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. In the attic and hope for the best. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.