Different homes need air conditioners with different cooling capacities. Determining the cooling power your AC needs is commonly called “sizing”, and depends on the following factors: Your home’s square footage The insulation level in your home The number and energy efficiency of your windows The height of your ceilings The orientation of your windows (east and west facing windows receive more sunlight, warming the inside of the home) Calculating the size of air conditioner your home needs is complicated, so the best way to find out is to call us for a professional installation. We’ll be able to recommend an air conditioner that works efficiently in your home.