Allied Commercial ZGB036S4B/E Commercial Packaged Rooftop Unit
Technical Specification
- Make: Allied Commercial
- Model code: ZGB036S4B/E
- Series: Z Series
- Power: 30,000 ~ 40,000 BTU/H
- Capacity: 3 tons
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
Read more| Make | Allied Commercial |
|---|---|
| Manufacturer | Allied Air Enterprises |
| Category | Cooling>Packaged Units/RTU |
| Model code | ZGB036S4B/E |
| Series | Z Series |
| Power | 30,000 ~ 40,000 BTU/H |
| Capacity | 3 tons |
| Weight | 529 lbs |
| Dimensions |
Height: 37 inches Width: 48 inches Depth: 76 inches |
Product description
Allied Commercial ZGB036S4B/E: Transforming Commercial HVAC Solutions
The Allied Commercial ZGB036S4B/E, part of the distinguished Z-Series™, is a commercial packaged rooftop unit engineered to deliver superior value and flexibility. This 3-ton gas/electric model stands out with its impressive efficiency—up to 14.0 SEER and 11.7 EER—backed by its robust construction and advanced technology. With seamless integration into existing HVAC systems, the ZGB036S4B/E is an ideal choice for replacement projects, thanks to its compatibility with one of the industry's most popular curb sizes.
Product Highlights
- Eco-Last™ Coil System: Reduces refrigerant usage by up to 52% and is 59% lighter than traditional coils.
- Factory Precision: Each unit undergoes a 200-point quality check and rigorous run-testing for unmatched reliability.
- Right-Fit Compatibility: Aligns with existing utility connections, eliminating the need for an adaptor curb, saving time and money on installations.
Smart Technology
The Z-Series™ utilizes Single-Zone VAV technology for energy-efficient fan speed modulation, enhancing comfort with reduced energy usage.
Ideal Use Cases
The ZGB036S4B/E is perfect for commercial installations requiring quick setups and cost-effective operations. Its compatibility with existing utility connections makes it especially beneficial for replacement jobs, significantly lowering installation costs and ensuring a swifter commissioning process.
Warranty and Reliability
- Compressor: 5-year limited warranty
- Eco-Last™ Coil System: 3-year limited warranty
- Gas Heat Exchanger: 10-year limited warranty
Overall, the Allied Commercial ZGB036S4B/E ensures robust performance and long-term reliability, minimizing the need for frequent maintenance and maximizing operational efficiency.

