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.
Using attic to heat water.
Cpvc has a surprisingly high r value.
If you don t do.
I have read on this site that navien 240 is an option but longevity and hot water availability may be an issue.
The house was built in 1991 and is well insulated.
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 began to experiment and.
Using attic to heat your water.
In areas that do experience freezing a tank could be mounted on the finished side at the highest point of the ceiling.
I am removing the copper baseboard radiators and going to use the central ac ducts to provide forced air heat.
In the attic and hope for the best.
Attic reaches about 130 degrees in summer valves divert water directly to heater in winter.
Once it is sufficiently warm it can be drained down for domestic use.
4 cpvc pipe in the attic laying flat across the rafters with a drip pan.
Stick in some pipe.
In areas that don t experience freezing temperatures a tank of water can be placed in the attic.
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.
Make a big box.
I have seen a couple of these.
Water comes out of the ground at 56 degrees.
I will be using propane as as the fuel type since gas is not available.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
Connected to the inlet of the water heater.
Turn excess attic heat into hotwater step 1.