These high-powered, energy-efficient window air conditioner units are perfect for cooling your room in no time. Laboratory Technical Project Manager Gianmarco Chumbe has been part of the CNET Home ...

Tougher federal energy standards for window air conditioners make newer models cheaper to run. Look for a unit with an Energy Star label and an energy-efficiency ratio (EER) of 10 or above.

At Rinnai, we understand that finding the right air conditioner can be a balancing act between comfort, performance, and cost ...