Weblearn how to measure your room size and calculate the btu rating of your window air conditioner. Find out the factors that affect the cooling power and efficiency of. Weba 200 sq ft room with average insulation, 2 large windows, and 2 people would need a 15,000 btu air conditioner. Opt for a slightly larger unit if your room faces west. Webfind the perfect fit for your space with this online tool that determines the appropriate air conditioner size based on room dimensions, insulation, and climate.
