Chillers are the heart of the systems that supply air conditioning for buildings and refrigeration needs for industrial and commercial applications. Chillers driven by engines or turbines such as GE’s Waukesha* gas engines or aeroderivative gas turbines can be used in almost any application requiring chilled water. They are well suited to larger-tonnage cooling loads in areas with medium-to-high electric rates and have the potential to capture waste heat from the engine or turbine for other process needs.

How It Works

In a vapor compression chiller, the compressor pumps the refrigerant gas through the system. When engine or turbine driven compressors are used, the system has the added benefit of a heat recovery option which can be used in a variety of other processes that reduce energy costs.

Operating engine or turbine driven chillers during peak demand times can help reduce overall energy costs by reducing electricity use when costs are highest.

Because gas engines have a wider “turndown” range, they can operate chillers efficiently at partial load during low-demand times.

Chillers driven by GE’s Waukesha gas engines or aeroderivative gas turbines operate reliably where the electrical supply is non-existent or unreliable.

Features and Benefits

  • Durable: GE’s Waukesha gas engines and aeroderivative gas turbines are designed and built to perform dependably in mission-critical applications.
  • Reduced costs: Gas engines and gas turbines can reduce operating costs significantly compared to electric motor-driven chillers by reducing peak demand charges.
  • Reduced energy waste: “Waste” engine or turbine (exhaust) heat is used for other processes, lowering energy and operating costs, and reducing carbon emissions.
  • Emissions flexibility: GE Distributed Power offers technology options to meet most local air quality mandates.
  • Lower emissions per horsepower: Rich-burn Waukesha gas engines with 3-way-catalyst enable more horsepower per site for more productivity and profit.
  • Total engine control: GE’s Waukesha ESM* fully integrated control and diagnostics system optimizes engine performance and maximizes uptime
  • Variable speed capability: An engine’s wide turndown range handles partial-load chiller operation more efficiently than an electric motor.

* Trademark of the General Electric Company

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