Ten years after Hawaii’s Solar Hot Water Mandate was issued the Hawaii Solar Energy Association won a lawsuit to weed out a fatal flaw of the regulation that required all […]
Since Act 204 “mandating” solar water heating systems on all new single-family dwellings came into force in January 2010, the number of new residential houses equipped with a solar water […]
Every fifth building permit for new single-family houses in Hawaii included a tankless gas water heater in the first half of 2010. This is a rather large share, if considered […]