For more than 125 years, Lennox has been committed to transforming people’s lives through its heating, ventilation and air conditioning products and services. Every year, leading institutions recognize Lennox for its innovative initiatives in product design which help homeowners define what perfect air means to them.

The premier Lennox air conditioner systems deliver an efficiency rating of up to 28 SEER—no other air conditioners come close to this level of efficiency. It’s truly the very top of top-tier.

These air conditioners have also been designated as one of the Most Efficient ENERGY STAR® certified products in 2022. Products that are recognized as the Most Efficient of ENERGY STAR in 2022 prevent greenhouse gas emissions by meeting rigorous energy efficiency performance levels set by the U.S. Environmental Protection Agency.

Lennox Air Conditioners