Additionally, through-the-wall ACs require a sleeve to help the wall withstand the weight of the air conditioner without causing damage to the wall. Sleeves can cost an extra $100 to $160 ...

The best air conditioners efficiently and quietly cool your space. These are the best window and portable units for bedrooms, ...

A window air conditioning unit, designed for easy installation in a window opening, does a fine job of cooling a room. However, the unit in effect closes the window, preventing you from using the ...

Through-the-Wall Air Conditioners . Unlike window air conditioners, through-the-wall ACs are, as their name suggests, installed in a hole in your wall and supported by a sleeve.

Koldfront 8,000 BTU Through-the-Wall Air Conditioner with Heat: available at Amazon. Our take: The added feature of heating makes this a solid wall unit for small and medium spaces.

Shopping for a window air conditioner? Consumer Reports has tested hundreds of them. Read about types, features, and other must-know topics in our Air Conditioner Buying Guide.

Also known as ductless mini-split air conditioners and heaters, they consist of one or more wall, ... Ideally, the pipes go through the wall directly behind the unit, where they’re hidden.