Multiply the length of each room by its width ... To cool the interior of a home that size, you’ll need an AC unit capable of cooling 50,000 BTUs. However, when shopping for the best air ...

While a window air conditioner’s Btu rating is a great ... To measure your room, multiply the length by the width. Add ...

A portable air conditioner keeps you cool when outdoor ... To cool your space effectively, Cherniak recommends matching the BTU to your room size so you don’t use more energy than necessary.