Two Massachusetts startups, Cala Systems and Reservoir, are competing to bring energy-efficient heat pump water heaters to American homes.

Discover how inverter pool heat pumps improve energy efficiency, extend the swimming season and keep South African pools comfortable for longer.

Heat-pump water heaters have been around for decades, but they’re gaining popularity as a go-to for energy efficiency. Higher electricity costs have made heat-pump water heaters that much more ...

It’s a regular Tuesday night and I’m taking out the bins, I turn and spot something different about the hot water system down ...

Together, the partners use electrical heat to copy operating conditions inside the planned NuSun micro fission system. The trials focus directly on whether small modular atomic power can decarbonize ...

The sun's magnetic fields are a twisty, curvy, ever-changing mess. In particular, our star's polar regions host areas called polar coronal holes, which contain invisible magnetic highways that stretch ...

Thousands of pool heaters sold nationwide are being recalled over serious injury and death risks, as they can produce high levels of carbon monoxide. According to the Consumer Product Safety ...

Solar sails pushed by powerful lasers could reach incredible speeds, but relativity may eventually make the light itself work against them. At around 75% of the speed of light, scattered photons can ...

Solar energy is making a substantial positive impact on human life. Solar panels are saving lives, changing deserts, and even having an unexpected effect on an endangered species. Another useful and ...

Keeping your pool crystal clean doesn’t have to cut into your swim time. Here’s a list of essential supplies designed to handle the big jobs so you can get back to relaxing.

Heating an inground swimming pool requires more than simply selecting the highest BTU rating. Larger pools demand consistent performance, excellent energy efficiency, durable components, and a heating ...