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 ...

Italian startup Barrel has developed a solar kit for remote areas and conflict zones that can be packed in typical oil barrels. It sells the solution in standard packages consisting of solar ...

Looking for a simpler solution [Martin] came up with his own solar pool heater for under $100! He’s copied the basic design of a solar pool heater but managed to do it using fairly cheap parts ...

A $23,586 fix for the Manoa pool shower heater was completed at the end of last week and is now being enjoyed by facility regulars as well as those who may have stayed away because of the lack of ...