3.5 ton - best for spaces between 1700- 2100 sq ft depending on your home's insulation and your climate
SEER2 rating helps consumers compare energy efficiency when choosing a new air conditioner. Higher SEER2 ratings mean significant utility savings. The federal minimum is 14 SEER2 with ratings into the 20 SEER2 range. A 20 SEER2 uses half the energy of a 10 seer much like MPG ratings for vehicles.
If you have an indoor furnace, or air handler, along with an outdoor AC unit, this system will serve as a replacement for both.