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

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

The average cost to run central air conditioning is $30 to $270 per month, depending on the unit size and efficiency. A three-ton unit (or 36,000 BTU) can cool a 1,500-2,000 square foot home and ...

As the summer heat sets in, many homeowners are looking for ways to stay cool without seeing their electricity bills ...

While they typically cost more than window AC units, the best portable air conditioners are a great solution in wildfire emergencies (especially in areas that don't regularly see sustained ...