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

Gradient's advanced window unit can heat and cool 500 square feet, all without needing any fancy electrical work. I saw it at ...

Our experts say these portable AC units from brands like DeLonghi and Honeywell are worth buying. They're movable and keep ...

The Midea is a 10,000 BTU window air conditioner that covers up to 450 ... use (though customers report lower times for high-heat scenarios). This makes it perfect for getting to sleep.

Whatever the weather, these are the top-rated air conditioners that'll keep you nice and cool. Laboratory Technical Project Manager Gianmarco Chumbe has been part of the CNET Home team since 2018.

Help is at hand though courtesy of [petey53], who made his own ground source heat pump for his Toronto house using a pair of window-mounted air conditioning units. A custom copper “trombone ...

Small coolers can be installed in a window to heat a specific room in your home, and small, portable evaporative coolers on wheels are now available. On the other hand, air conditioners cool your ...