– Domestic Hot Water System with an on demand hot water tank back up
This system sets the bar high for efficient design. This Domestic Hot Water system heats a 120 gallon solar water tank. The hot water from the solar water tank then flows through an on demand hot water heater. If the water entering the on demand hot water heater from the solar tank is colder than the setting of the on demand hot water heater, the on demand water heater simply raises the temperature. Often the water entering the on demand water heater is hotter than the set point. When this happens the water simply moves through the on demand hot water heater and the on demand water heater never turns on at all!
(More Photos To Come!)