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Models RTWD and RTHD

Series R® Helical Rotary Screw Chillers

Series R Water Cooled Chiller RTWD Front Left with Background

Models RTWD and RTHD

Series R® Helical Rotary Screw Chillers

Two proven, modernized workhorses that offer reliability and provide application flexibility — helping building owners meet their sustainability goals.

  • RTWD chiller heat pumps feature expanded heating capabilities of up to 165° F (74° C) for boiler replacement in a wider range of applications
  • RTHD can be configured to produce leaving evaporator solution temperatures as low as 5° F (-15° C) for industrial process cooling applications
  • Symbio® 800 Equipment Controller serves as the launch point to connect to an array of Trane building systems and services
  • Series R chillers utilize R-513A refrigerant for cooling and R-515B for heating, offering a 55% reduction in GWP compared to R-134a
  • Outstanding versatility for a wide range of demands

    Series R helical rotary chillers are suited for commercial applications that require precise temperature control. Their wide operating temperature range, electronic expansion valve and short anti-recycle timers give them the flexibility for almost any high-performance cooling and heating system. 

  • Environmentally friendly refrigerants and updated controls

    Series R helical rotary chillers help customers meet sustainability goals with low-GWP refrigerants, including R-513A for cooling and R-515B for heating, offering a 55% reduction in GWP compared to R-134a. Symbio controllers integrate with building automation systems and assist with performing various energy efficiency and chiller performance analyses, delivering insights on enhancement opportunities.

  • A reliable, proven solution

    Series R helical rotary chillers offer high reliability and enhanced energy efficiency due to their direct-drive compressor design that uses fewer moving parts than gear compressors.

  • Compact size for easier installation

    Chiller replacement can be faster, cheaper and less disruptive due to the Series R chiller’s compact size, which fits into most existing mechanical rooms without requiring additional floor space or wall tear-outs. Units can pass through a standard double door opening, and both single- and dual-point power connections can take advantage of existing wiring.

  • Symbio 800 Controller enhances equipment performance and enables wireless options for improved connectivity
  • Accelerated life testing simulates thousands of hours of operation on the compressor, the heart of the RTWD and RTHD chiller
  • Falling film evaporator in the Series R chiller features a Trane patented design that requires less refrigerant
  • Robust helical rotary compressor design has fewer moving parts with premium bearings for superior alignment tolerance and overall reliability
  • Tracer® SC+ building automation system features pre-engineered chiller plant control, enhancing the rotation, staging and sequencing of multiple units to meet dynamic building loads


Rental Solutions

Our approach to temporary HVAC and power goes beyond the typical drop-off. We design, deliver, install and even monitor safe and efficient rental solutions. Short term, long term, chiller, generator, or portable AC unit, we have the fleet and people where and when you need them.

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