The Trane RunTru 4 Ton 15 SEER Single Stage 48000 BTU Electric AC System is a perfect choice for homeowners requiring an excellent system that supports 4 tonnage. The components of the system are (1) Trane RunTru 4 Ton 15 SEER A4AC4 Series 48000 BTU Single Stage Air Conditioner Condenser A4AC4048A1000A. More Info: https://greenleafair.com/product/trane-runtru-4-ton-15-seer-electric-ac-system/