Your air conditioner isn't designed for extreme ... low-pressure refrigerant evaporates and absorbs heat from a room and then is compressed before condensing and releasing the heat by way of an ...

The best portable air conditioner might just help you survive the coming summer months, especially if you have an antiquated unit and no way of installing a newer wall or window air conditioner ...

Whether you have a whole-house or one-room air conditioner, don't make it work harder than it should. Follow these tips for keeping your AC running smoothly, so your home will stay cool all season ...

The dual-hose Friedrich Zoneaire Portable Air Conditioner did the best job cooling and was the quietest portable air conditioner we tested. It's pricey but worth it if you want powerful cooling.

Air conditioners and electric fans already account for approximately 10 percent of electricity consumption worldwide. On extremely hot days, AC efficiency drops, as the units have to work harder ...