A measure of an air conditioner's power is its BTU rating. BTUs are the energy used to remove heat from a room. Therefore, ...

New regulations will drive up the costs of units and refrigerants.

Designed to cool larger spaces -- up to 1,000 square feet -- this is one of the more powerful window air conditioners on the market, with 20,000 BTUs of cooling power. The unit itself also ...

Window AC units are a great option. They're designed to cool a specific room, which makes their installation more permanent than portable air conditioners. We tested five window air conditioners ...

Q: I’ve just turned on the air conditioner for the summer but have yet to get comfortable. The appliance circulates air, but nothing refreshingly chill. My air conditioner is not cooling at all.

Among the model’s unique bells and whistles is its clean air ionizer ... portable air conditioners are the better option. However, window units do serve a purpose: Window units have a stronger ...

The window air conditioners in CR’s tests have ... make sure you can easily access the filter for cleaning or replacement when the unit is installed. The easier it is, the more likely you ...

Window air conditioner units offer easy installation ... “This means you must be more diligent about cleaning the unit regularly (quarterly instead of semi-annually) because particles like ...

Buying an air conditioner is hard. There are lots of specs that aren’t found on any other kind of product, the damn things ...

Like window units, portable air conditioners work well for cooling small spaces. They offer greater flexibility since they can be moved from room to room, but they also tend to be less efficient ...

Both portable air conditioners ... unit is designed to fit windows 23 inches to 36 inches wide, with a minimum height of 13 inches. Other niceties include a sleep mode, programmable timer, and a ...

In short: If you're looking for a really, really good-looking, energy-efficient, high-performance window air conditioning unit, this is it. (Plus, it's on sale.) Windmill's WhisperTech technology ...