Every degree the water is warmed in the preheater reduces the amount of electricity used by the water heater. This also reduces your peak electricity demand for your electric co-op.

I removed the 30 gallon water tank, (serving as a "PRE-HEATER), and replaced kit with a 3 Gallon (sealed) water tank. (on the theory that: if the mirrors have less water to heat up, they will heat ...

Follow these tips to construct a wood stove hot water coil heating kit and save on utility bills. Includes a diagram and wood stove water heater plans you can set up in your own house.