Gradient's advanced window unit can heat and cool 500 square feet of your home. And you won't need an electrician.

She also suggested closing the curtains and blinds during the day to reduce the room's heat gain and running a fan to circulate the cool air. As outlined in my portable air conditioners vs window ...

This article offers insightful analysis of your cooling requirements and selection of the best air conditioning system for your ...

Gradient's advanced window unit can heat and cool 500 square feet of your home, and it doesn't require any electrical work. Jon Reed is a senior editor overseeing coverage for CNET's home, energy ...

The best portable air conditioners keep rooms cool and offer a degree of air filtration. We test for cooling ability, noise, and energy efficiency.