Thermocore Systems 16 SEER 3 Ton Ductless Mini Split Air Conditioner System Heat Pump 36000br 1 Year Warranty on Parts - 5 Year Warranty on Compressor br 36000 BTU cooling Heating capacity for up to a 1800 ft room br Inverter Compressor by Mitsubishi - Variable speed compressor helping unit draw less electricity produce less noise and gives you better room temperature control br Operates in Low Ambient temperatures down to 5 degrees Farenheit in both cooling and heating modes Ideal for grow rooms and data centers where cooling is required when cold outside br Includes easy installation kit with 15 foot length copper line set electrical wire