But replacing or supplementing your current water heater with a solar-powered water heater can, too. Solar water heaters ...

Researchers in Italy have designed a novel carbon dioxide heat pump that can work with photovoltaic-thermal energy, a finned coil heat exchanger and a U-tube borehole heat exchanger. Their experiment ...

Jandy manufactures professional-­grade pool and spa equipment, including a full line of pumps, filters, lights, valves ... How much does a Jandy pool heater cost? Between $2,200 and $2,900.

Premier Pools & Spas designs and builds custom swimming pools and spas. The company offers services such as pool construction, renovation and maintenance for both residential and commercial clients.