Z-Series

Up to 13.4 SEER2, 15.5 IEER AND up to 11.5 EER2
3- to 12.5-ton gas/electric and electric/electric models and 3- to 10-ton heat pump models available
2025 Compliant Refrigerant

Efficiency ratings up to 13.4 SEER2, 15.5 IEER AND up to 11.5 EER2
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
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

Features