What Is a SEER/SEER2 Rating?
In 1987, the United States government passed legislation that required air conditioning units to meet certain efficiency standards, represented by a SEER rating. This acronym stands for Seasonal Energy Efficiency Ratio, and a SEER or SEER2 rating describes how much energy an air conditioner needs to operate effectively for a single year. SEER and SEER2 ratings are determined over the course of a full heating or cooling season. The less energy an AC unit uses