The device can cool your whole house with a little bit of water and natural gas. This is a Digital Trends story. It was hard not to notice the giant, reflective cube at CES 2020. The OxiCool looks ...

Jon covers artificial intelligence. He previously led CNET's home energy and utilities category, with a focus on energy-saving advice, thermostats, and heating and cooling. Jon has more than a decade ...

Water-source variable refrigerant flow (VRF)/variable refrigerant volume (VRV) systems are compact, flexible systems designed to offer many of the same benefits of air-source VRF/VRV systems. These ...

Shelby is an editor with an affinity for covering home improvement and repair, design and real estate trends. She also specializes in content strategy and entrepreneur coaching for small businesses, ...

Geothermal heat exchangers almost always use condenser water or glycol as the heat transfer medium — and, sometimes, refrigerant. Wastewater heat recovery systems typically preheat domestic cold water ...

Solar air conditioning is any air conditioning powered by the sun's energy. Solar air conditioners have no emissions and supply their own energy, so customers can lessen their carbon footprint and ...