Ideal-Air is proud to offer the first 48,000 BTU ceiling hung, cooling and heating air conditioning system designed expressly for indoor gardening. The industry?s most efficient system in its class, this 18 SEER inverter compressor outdoor unit features a split heat pump system that heats, cools and carries an industry-leading 10 year compressor and parts warranty! This unprecedented warranty coverage is your assurance of years of trouble-free use and reliability. The outdoor unit is matched to a commercial-grade indoor ceiling mounted head that features dual motors with premium Sirocco fans. The Samsung 48,000 BTU system includes the NORDIC option and will deliver effective indoor cooling when outdoor temperatures range from 122?F to -4?F. This system also includes an internal condensate drain pan and high lift drain pump as standard features. This unit requires only a single 35 amp, 230 volt circuit to operate rather than multiple circuits. The permanent indoor air filter never needs replacing and is easily accessed for quick clean-up. Installation requires a certified HVAC technician. The Samsung Wireless Interface Kit for the 48,000 BTU Unit (700542) is required for operation but sold separately. This kit includes the receiver, wall display and 32 ft wire harness to interface with the Samsung Wireless Controller (700544), which is also sold separately but required for operation. Refrigerant line sets are offered separately and should be installed by a qualified HVAC Technician.