Layering clothes, using a pizza box as a makeshift insulator and taking whiskey shots are some of the ways staffers suggest ...

One DIYer from Cleveland installed five ductless heat pumps and two outdoor units, mostly by himself, and saved about $7,000.

In this video, I guide you through the step-by-step installation process of a central air conditioning system. This includes ...

Abstract: Dc–ac converters with ultralow total harmonic distortion (THD) are key equipments for planar actuation system. Conventional interleaved half-bridge converters are challenged by zero-crossing ...

Author Tim Altenhof has 'given us an excellent history lesson that carves out a small place for breathing,' writes Russell Fortmeyer.