The Chinese manufacturer said its new heat pump system has a heating capacity of 6.5 kW to 17 kW and a coefficient of performance ranging from 4.8 to 5.23 at 15 C.

It's true that energy-efficient heat pump water heaters cost more to purchase and install than natural gas, electric resistance, oil, or propane models. However, one innovative company provided a ...

I save $150 to $200 on my power bill every month while maintaining my pool in proper conditions. It used to be bloody expensive when I was still engaging with my old single-speed pump. But things ...