Side-by-side
APSG VFD Air-Cooled Variable-Speed Screw Chiller vs CGAM Air-Cooled Scroll Chiller
Spec comparison for two products on Aviation Souk. Both compete in HVAC & Climate Systems.

HVAC & Climate Systems
APSG VFD Air-Cooled Variable-Speed Screw Chiller
by Petra Engineering Industries
Variable-speed air-cooled screw chiller with R-1234ze refrigerant and IPLV up to 5.85 kW/kW, engineered for large commercial plants where part-load efficiency and low ambient noise are non-negotiable.

HVAC & Climate Systems
CGAM Air-Cooled Scroll Chiller
by Trane Technologies
Compact air-cooled scroll chiller rated 20–130 tons with low-GWP R-454B, combining quiet operation with flexible process-cooling and heat-recovery options.
| Cost of ownership | APSG VFD Air-Cooled Variable-Speed Screw Chiller | CGAM Air-Cooled Scroll Chiller |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | APSG VFD Air-Cooled Variable-Speed Screw Chiller | CGAM Air-Cooled Scroll Chiller |
|---|---|---|
| IPLV (high-efficiency) | 5.85 kW/kW | — |
| Part-load improvement vs fixed-speed | 20–25 % | — |
| Refrigerant | R-1234ze (GWP 7) | R-454B (low-GWP) |
| Compressor type | Semi-hermetic twin screw, VFD-driven | Scroll with intermediate discharge valves (IDV) |
| Condenser coil | Microchannel (MCHE) | — |
| Refrigerant-side design pressure | 1,000 kPa | — |
| Water-side max working pressure | 1,500 kPa | — |
| Electrical panel rating (standard) | NEMA 3X / IP54 | — |
| Low-ambient heater protection (optional) | Down to −29 °C | — |
| Efficiency standard compliance | ASHRAE 90.1 | — |
| Certification | AHRI 550/590, Eurovent | — |
| Capacity range | — | 20–130 tons |
| Model | — | CGAM |
| Ambient operating range | — | -20 to +125 °F (-29 to +52 °C) |
| Chilled-fluid operating range | — | 0–65 °F (-18 to +18 °C) |
| Heat recovery outlet (max) | — | 140 °F (60 °C) |
| BAS integration | — | BACnet, LonTalk, hardwired points |
| Equipment controller | — | Symbio 800 with AdaptiView interface |
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