The 3.5 Ton MrCool Signature 16 SEER Central Air Conditioner Condenser operating performance saves you money compared to the old condenser you have. This model has a high quality aluminum condenser coil, top discharge to direct hot air away from your home, easy access panels, and a factory-installed pressure switch. It is AHRI certified, has pre-wired for quick installtion, and charged for up to 15 feet of refrigerant line.