We also installed roof jacks (to hold up the solar array) and then a new composite shingle roof. Finally, in July, we put in a whole-house cooling fan and whole-house heat-recirculating system (as ...

By Jenny Noble “When there’s a huge solar energy spill, it’s just called a ‘nice day’” — Anonymous When Saudi Arabia imposed ...

Triple Solar BV has developed a residential photovoltaic-thermal (PVT) heat pump that uses waste heat from PV modules, ...

A German company has debuted a new photovoltaic roofing tile that could help change how homes around the world are powered.

Essentially, it allows the water heater to get much hotter during times when solar energy is available, and lets it drop to lower values before running the heater on utility electricity during ...

Many of these solar systems have batteries and you ... or even to go without heating if your house is well insulated, as an A-rated house should be, though that could be a real challenge in ...