10-year limited warranty on aluminized gas heat exchanger | 5-year limited warranty on compressor | 3-year limited warranty on Eco-Last Coil System | 1-year limited warranty on covered components

Compatible with 20+ years of existing units, eliminating the cost of an adaptor curb in many replacement jobs | Eco-Last™ Coil System uses up to 52% less refrigerant, is up to 59% lighter, and has up to 20% fewer brazed joints than regular rooftop unit coils (standard on ZC and ZG models) | Being 18% lighter than other like units, makes Z-Series units easier to lift and move* | Exact charge is weighed in at the factory to ensure precise operation | Scroll compressor on all units for reliable long-term operation | Goes through a 200-point quality check and a rigorous run-testing regimen before leaving the factory | High-pressure switch guards the compressor from extreme operating conditions | Common utility connection points allow for faster and easier installations