When it’s hot enough to need an air conditioner, installing one can be a chore, tempting you to cut corners. Please don’t. A poorly installed AC is at best noisy ...

Q: I am renting a small, old home without central air conditioning. I have a window air conditioner, and the past few years I’ve awkwardly filled in the space around it with a large piece of plywood.

For many, the beginning of April means the start of warm weather. So it’s not too surprising that, according to Lewis Shenker, the president of New York City–based appliance dealer Gringer and Sons, ...

To find the best air conditioners to recommend, our team tested more than a dozen units in our homes and offices in bedrooms, ...

Installing a window air conditioner is a sweaty job, so you might be tempted to simply open the window, boost the air conditioner into place, close the window, and hope for the best. Not a good idea, ...