Solar water heaters vary in design, efficiency, capacity and price, but they all replace a good chunk of the gas or electricity used to heat water with clean, free sunlight. The three basic designs ...

Changing from gas to climate-friendly electric appliances often involves expensive retrofits. A growing list of companies offer stoves, heat pumps and water heaters that make it easier and cheaper.

Changing from gas to more climate-friendly electric appliances can involve expensive retrofits. More companies now offer stoves, heat pumps and water heaters to make it easier and cheaper. About a ...

Three years ago, Ted Treadwell turned his water heater into a battery. His home in Santa Rosa, California, had relied on a ...

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

The old technology – the water heaters and furnaces you are using today – will be illegal to purchase or install. Only the wealthiest of Southern California residents can afford such extravagance.

An international research group has investigated how PV-powered heat pumps and district heating could be combined to heat a ...

Startup Cala Systems, which makes seriously smart heat pump water heaters, has secured $5.6 million in seed funding and commercially launched its product.

3. Turn down your water heater . Many water heater manufacturers set thermostats at 140 degrees Fahrenheit (60 C). But in reality, most households only need it set at a maximum of 120 Fahrenheit ...

A all-electric heating, ventilation and air conditioning unit is lifted by a crane during its installation process on the rooftop of the Peninsula Conservation Center in Palo Alto on Jan. 25, 2023 ...

Eager to experience this room space heater's effectiveness — especially at an under-$25 price point — I used this device in my home office for a month, testing for quality, portability, and sound.