SEER

SEER

SEER stands for Seasonal Energy Efficiency Ratio. It’s a number that describes how well air-conditioning equipment works. A higher SEER means better efficiency and lower energy bills. SEER is calculated by dividing the amount of cooling supplied by the air conditioner...

10 SEER

10 SEER became the first federally mandated minimum efficiency in 1992 for residential split systems and 9.7 SEER for single package systems in 1993.