"You'd be silly to not do it." Homeowners rave about ultra-efficient water heater after old tank gives out: 'Essentially ...

We've tested and reviewed products since 1936. Read CR's review of the Stiebel Eltron Accelera 300E water heater to find out ...

Western utilities are testing the potential of heat pump water heaters to heat up water during times when solar energy is abundant.

We've tested and reviewed products since 1936. Read CR's review of the LG APHWC501M water heater to find out if it's worth it ...

Rebates and credits vary, but you could save around $1,500 initially. The government wants to give you $1,500 to upgrade your ...

As the demand to reduce heat in an efficient and environmentally sustainable way increases, manufacturers are looking toward ...

Because the site only had single phase power, Rinnai opted for multiple 9kW R290 heat pumps rather than one larger R290 commercial air-source heat pump, and the new Heat Pump-based system will now ...

Many states are offering rebates for heat-pump hot water systems The warm refrigerant is then pumped back to the outdoor unit where the heat is blown into the outdoor air. The outdoor unit chills the ...

There is no question respecting the fact that the friction of the solid parts of these pumps generates frictional heat, which must be car- L' by the water ; but Mr. Andrews is of opinion that the ...