The window air conditioner you choose must have roughly 20 BTUs of cooling per square foot of room space. Measure the square ...

‘For maximum cooling, point the fan out the highest window since warm air rises,’ says Allen Chenault, heating, ventilation and AC expert at AC’s Heating & Air. This will ensure that stuffy ...

Learn more If you've ever installed a window air conditioner, you know it's a hassle. These beasts can weigh over 100 pounds, and there's always the fear it could fall out and squash someone below.