Solar water heater from plastic bottles

A retired mechanic in Brazil, José Alano, has invented a simple, effective solar hot water heater using discarded plastic bottles. The idea has spread and there are now thousands of them installed.

The alternative water heater can provide power savings of up to 30 per cent, but apart from that, Alano notes that every [...]

California okays tax credits for solar hot water

With the various tax credits now available, payback for installing solar hot water is now just three years. If widely adopted, this will save huge amounts of energy, cutting down on greenhouse emission as well as costs.