What Size Btu Window Air Conditioner Do I Need

As a rule of thumb an air conditioner needs 20 btu for each square foot of.

What size btu window air conditioner do i need.

Now measure the width from the inner most part of the side window opening. According to the us department of energy directive the most appropriate size of an air conditioner would be 2 880 btu unit. The best you can do here is to buy a small 5 000 btu window or small 8 000 btu portable ac unit more about smallest ac units here. Consumer reports recommends 20 btus per square foot of the living space or spaces you want to cool down.

How do i calculate the right size air conditioner. Conversely the higher the number the larger the room it can cool. The cooling power of an air conditioner is calculated in british thermal units btus. The smaller the number the smaller the room it can cool.

A window air conditioner s btu quantifies the size room it can handle. Written on the side of each box of window air conditioners there s a chart that displays the opening size requirements for that particular window air conditioner. One btu is enough energy to heat one pound of water by 1 degree f a few tips. If you need to install a unit that delivers 12 000 btus or more have an electrician install a 240 volt receptacle.

Here s an easy to read chart to help you pair up your square footage to the proper size btu number.