At Air Supreme, we understand the importance of staying up-to-date with the latest advancements in the industry to provide our customers with the most efficient and cost-effective solutions. One significant change that homeowners need to be aware of when considering a new AC installation is the transition from the older SEER rating to the newer SEER2 rating. In this post, we’ll delve into what these changes entail and what you need to know to make informed decisions about your AC system.