Air Conditioning BTUs Needed Per Climate Zone
We’ve provided climate zone map of the U.S. below in addition to the BTUs needed per square foot. BTU (British thermal unit) is a traditional unit of heat. Because Florida is in the hottest zone, homes and businesses need adequate central air conditioning systems. For example, if you live in a 3,500 square foot home in Florida, which requires at least 50 BTUs per square foot, then you need an AC unit with an output of 175,000 BTUs per hour. The efficiency of the HVAC system is also a factor to take into consideration. Our highly-trained HVAC contractors are here to provide the knowledgeable guidance to help you choose the right AC unit size.