Type: heat pump ;Style: multi zone outdoor unit;Heating Capacity: 18,000btu;Cooling Capacity: 18,000btu;maximum zones: 2;Electrical: 230V, 1ph;Line set size: A: 1/4" x 3/8", B: 1/4" x 3/8";Operating range (cooling): -22 through 122;Operating range (heating): -22 through 75;Capacity at -4: 1;Size: 37.24" x 16.14" x 31.89";Weight: 138.23lbs.;Refrigerant Type: R410a