A homeowner's complaint about a nearly new heat pump water heater drew attention after the unit started spitting brown water ...

A heat pump water heater uses a heat pump to heat water for home use. It can replace traditional water tanks fueled by electricity, gas, propane, or oil, as well as tankless water heaters. Along with ...

If the water is highly acidic, heavy in minerals, rich in sulfur, or carrying sediment, it can corrode the inside of a tank.

What I learned about what to buy, how to save and what to avoid before plugging in a heat pump water heater. In December, I became the proud parent of a new heat pump water heater. Contractors showed ...

Hitachi has introduced its Y-series EcoCute CO2 heat pump water heaters in Japan, with 370-liter and 460-liter models set to ...

Oversize systems can provide resilience and convenience, but they do not always deliver meaningful efficiency gains.

Guess who has two thumbs and no hot water? This guy!!! Our house is set up for gas everything: stove, oven, clothes dryer, furnace, and of course the water heater. We have enough power to switch to ...

Electrification is the environmental buzzword of the day. Expect more interest in electric products from environmentally-conscious consumers and more mandates away from gas by local governments. This ...

Replies in the thread suggested the real issue wasn't the heat pump itself.

This was on full display for one Charlotte-area homeowner weighing a water heater replacement. After receiving an estimate of ...

The current standards for water heaters, which are specified in the Code of Federal Regulations (CFR) in 10 CFR 430.32(d), have been in effect since 2010. One aspect of the upcoming changes is the ...

The push toward electrification isn’t necessarily an inexpensive one, from an upfront investment in equipment and installation, that is. But the story for heat pump water heaters (HPWHs) is payback, ...