If you’re in the market for an air conditioner or heat pump, Apex NC certainly has resources to help you out. Prudent homeowners will behoove themselves of every opportunity to learn about the system and their features before making a purchase. Among other aspects, you may have heard the terms SEER and EER passed around, which have a huge bearing on purchases of this nature. But what the heck are they? More importantly, what’s the difference between EER and SEER?