Side-by-side
YORK YK-HT Two-Stage Centrifugal Chiller vs Ascend ACS Air-Cooled Scroll Chiller
Spec comparison for two products on Aviation Souk. Both compete in HVAC & Climate Systems.
HVAC & Climate Systems
YORK YK-HT Two-Stage Centrifugal Chiller
by Johnson Controls | YORK
Two-stage economized centrifugal chiller delivering simultaneous 44°F chilled water and 140°F hot water from a single driveline, with dry-cooler compatibility that eliminates cooling-tower water consumption.
HVAC & Climate Systems
Ascend ACS Air-Cooled Scroll Chiller
by Trane Technologies
Quiet, mid-range air-cooled scroll chiller rated 140–230 tons with R-454B refrigerant, optimised for part-load efficiency and noise-sensitive installations.
| Cost of ownership | YORK YK-HT Two-Stage Centrifugal Chiller | Ascend ACS Air-Cooled Scroll Chiller |
|---|---|---|
| Price tier | — | — |
| Lead time (weeks) | ?–? | ?–? |
| Delivery | — | — |
| Install | — | — |
| GCC airports deployed | 0 | 0 |
| Certifications | 0 | 0 |
Specs
Technical specifications.
| Spec | YORK YK-HT Two-Stage Centrifugal Chiller | Ascend ACS Air-Cooled Scroll Chiller |
|---|---|---|
| Leaving Chilled-Water Temperature | 44°F / 6.7°C | — |
| Condenser Leaving Temperature | Up to 165°F / 74°C | — |
| Hot-Water Output Temperature | 140°F / 60°C | — |
| Lift Capability | Up to 110°F / 43°C | — |
| Heat Recovery Capacity | > 35 MMBtu/hour (offset potential) | — |
| Footprint Reduction vs Alternatives | ~30% | — |
| Failure-Point Reduction (single driveline) | 50% | — |
| Refrigerant Options | R-1234ze / R-515B | — |
| Availability | Autumn 2026 (announced at AHR Expo 2026) | — |
| Capacity range | — | 140–230 tons |
| Model | — | ACS |
| Compressor type | — | Scroll with intermediate discharge valves (IDV) |
| Refrigerant | — | R-454B (low-GWP) |
| Ambient operating range | — | -20 to +125 °F (-29 to +52 °C) |
| Chilled-fluid operating range | — | 0–68 °F (-18 to +20 °C) |
| Acoustic package option | — | As low as 95 dBA |
| Heat recovery outlet (max) | — | 140 °F (60 °C) |
| Equipment controller | — | Symbio 800 |
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