This do-it-yourself solar water heating kit uses a batch design to preheat incoming cold water.
This do-it-yourself solar water heating kit uses a batch design to preheat incoming cold water. JAMES DULLEY
This do-it-yourself solar water heating kit uses a batch design to preheat incoming cold water. JAMES DULLEY

Solar water heater can save you money

March 19, 2015 04:47 PM