Consumer Reports has no financial relationship with advertisers on this site. Size matters when you’re buying a window AC. An air conditioner that’s too small will struggle to keep a room at a ...

Size matters when you’re buying a window air conditioner. Buy too small and it will struggle to keep the room at a comfortable temperature; buy too big and and the room will cool too quickly without ...

When the mercury rises and the air stays hot and humid even after the sun goes down, you’ll need to find a way to stay cool. Many older homes don’t have whole-house air conditioning systems, which ...

While looking at our choices below, it is necessary to keep in mind that most window AC's have multiple sizes and BTUs to fit your needs and square footage. Scroll to the bottom of this article for ...

If your AC is in a window that gets direct sunlight in the heat of ... Make sure you match the size of the air conditioner to the room it’s meant to cool. Below, we list models in each size that ...

The best window air conditioners we tested can reduce the room’s temperature by 10° F in less than 15 minutes. If your window air conditioner is on the fritz—for example, it’s struggling to produce ...

There’s nothing better than feeling the cool breeze bursting out of an air conditioner in the midst of sweltering heat. Before the temperatures really start to rise, though, it’s a good time to think ...