Product Range

Helical Rotary Air-Cooled Liquid Chillers (RTAC)

The Series R® helical rotary chiller is the workhorse of the Trane air-cooled portfolio a classic chiller with proven performance and reliability. 

Technical Specs
  • Capacity Range: 140 to 500 tons
  • Refrigerant: R-134a
  • Compressor Design: Helical rotary screw
  • Energy Efficiency Rating (EER): IPLV: 13.6-15.4 (standard); 14.2-15.9 (high-efficiency); 14.1-15.2 (extra-high-efficiency)
Key Benefits
  • Thermal energy storage
    RTAC supports an energy-efficient thermal storage system by making ice at night, when utility companies charge less for electricity, the stored ice supplements, or even replaces, mechanical cooling during the day when utility rates are at their peak.
  • Proven value honed over a quarter century
    We have refined this design over 25 years of helical-rotary chiller engineering and manufacturing experience. That expertise, combined with a rigorous design verification and testing process, ensures that you receive the highest-quality products designed to keep their operation running reliably and efficiently.