Gradient's advanced window unit can heat and cool 500 square feet of your home, and it doesn't require any electrical work.

Learn how to warm up a room without using a plug-in electric heater. Consider built-in radiant floor or ceiling heating, duct booster fans, toe-kick heaters and other safe heating techniques first.

Thermal challenges in 5G radios and the combination of passive and active thermal management techniques and hardware design ...

Here, HVAC pros explain the theory behind this method, and whether it can really help you to keep a house warm without ...