How to Buy Through the Wall Air Conditioners

Through the wall air conditioning is the alternative to a typical outside heat pump or central air conditioning system. These units protrude out a wall and provide the space with fresh cool air. You can find many types of through the wall air conditioners, so you should know exactly what you want before you choose one.

Instructions

1. Determine the size of the space to be air-conditioned. Measure the room's length, width and height to calculate the square footage. Most through the wall air conditioners have a maximum operating effectiveness read in BTUs.

2. Measure the hole in the wall carefully. Remove any existing air conditioner and discard properly. Purchase a new sleeve to fit around the new unit to seal it in place. Also determine whether you need weatherproofing.

3. Check to see what electrical needs the new through the wall air conditioner may have. Consult with an electrician about running electricity to the new air conditioner.

4. Look for a through the wall air conditioner that produces the least amount of noise. Many units can be distracting, especially when they're operating at full capacity.

Tips & Warnings

• Buy a through the wall air conditioner that's the best-sized unit for the room. Buying a bigger unit than you need causes the unit to produce overly humid air and taxes it unnecessarily.

• Consider the energy consumption of the new air conditioner. Many units now come with and Energy Star rating to better educate the public on power consumption criteria.