When your heating and cooling system isn’t working properly, you might throw up your hands and call for help, thinking the ...

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

This isn't an all-weather, cold-climate heat pump -- it can operate in temperatures ranging from 50 to 104 degrees Fahrenheit ...

The condensation your AC builds up after running on a hot day can be a pain with most portable units, but DREO has found an innovative solution.