Applications |

Advantages and Applications of Engine-Driven Cooling

Gas engine-driven cooling is an economical alternative to high electric costs and electric demand charges, providing operating cost savings that can easily offset equipment cost.  Depending on natural gas and electric rates and demand charges, payback periods for gas engine-driven chillers vary, but can often range from two to four years.  You can estimate a likely payback period based on the natural gas and electric rates in your area using the Payback Calculator.

A wide range of cooling capacities and temperatures make engine-driven cooling an excellent choice for:

  • Schools
  • Hospitals
  • Apartment Buildings
  • Office Buildings
  • Nursing Homes
  • Hotels
  • Retailers
  • Cold Food Storage
  • Bakeries
  • Beef, Port & Poultry Processors
  • Breweries
  • Dairies
  • Wineries
  • Ice Production
  • Ice Rinks
  • Pharmaceutical Processes
  • Petrochemical Processes

The uses of natural gas engine-drive chillers are as varied as the available systems.  The following case studies demonstrate what happens when gas technologies are applied to real-world situations.

The following case studies require Adobe® Acrobat® Reader which


Engine-Driven cooling offers these important advantages:


  • Lower operating costs
  • Variable speed for efficient partial load operation
  • Engine heat recovery for domestic hot water and other thermal energy needs
  • Lower maintenance
  • Longer operating life
  • Environmentally friendly
  • Initial costs quickly offset by energy savings
  • Available in many sizes

Case Studies:


Bulova Corporate Center – Queens, NY

Bulova watches as engine-driven chillers eliminate demand charges and provide free hot water for the health spa, fitness facility, swimming pool, art museum, conference center and retail space at its corporate center.

CNN Center Cashes In On Energy Savings With New Hybrid Cooling Plant – Atlanta, GA

CNN is making news and taking advantage of real-time pricing by replacing one of its three electric centrifugal chillers with a natural gas engine-driven chiller.

Hartford YMCA – Hartford, CT

For nonprofit YMCA, engine-driven chillers are easy on the budget and complement existing cogeneration plant.

Natural-gas, Engine-drive Chiller Makes A Believer – Methodist Hospital of Indiana

Natural gas, engine-driven centrifugal chiller delivers unprecedented part-load efficiency, quiet operation and a COP above 2.3.

Natural gas for flexibility and savings — Schwan’s Super Rink Blaine, MN

Natural gas engine-driven chiller and desiccant dehumidification fueled by engine waste heat keep ice and air clear and costs down.

New York Horse Racing Fans Can Bet On Staying Cool

Win-win is how management at Queens’ Aqueduct Racetrack describes its choice of natural gas chillers.

Tecochill® Chillers Custom Fit Into a Tight Space and Budget

Nervous clients keep their cool in Family Courthouse while Philadelphia’s Department of Public Property takes advantage of “the great bubble” of summertime natural gas.

Owners of Newly Built Hotel Opt for Gas Chiller Instead of Rom A/C Units

Gas chiller proves more efficient than individual room air conditioning units and provides thermal energy for domestic hot water.

Natural Gas Engine-Driven Chiller Contributes Emergency Service and Savings to Medical Center’s Hybrid Plant

Reduced emergency generator needs result in payback period of less than two months thanks to natural gas cooling.

Natural Gas Cooling Works Day and Night to Cool Montgomery College

Rockville, Maryland college uses gas chiller for ice production at night and to shave peak demand charges by day.

Chefs-In-Training Take the Heat in Gas Air Conditioned Kitchen

A zoned chilled water system solved ductwork and cost problems for the New England Culinary Institute’s kitchen and restaurant.

Camden, New Jersey Aquarium’s Cooling System Protects Sea Life and the State Operating Budget

Local utility’s demand side management program lowers aquarium’s operating costs and helps utility manage its load.

Tight Budget Leads Non Profit Organization to Efficient Gas Cooling

The efficiency of natural gas and utility incentives help home for aging meet its charitable mission.

Ralph H. Johnson Veterans Administration Medical Center – Charleston, SC

Meeting cooling regulations required for operating rooms led VA medical center to upgrade its outdated system; reducing peak electric demand and ratchet charge penalties led them to natural gas.

Humidity Control Is Critical to Lithium Battery Manufacturer

Gas engine driven chiller produces ice and chilled water to assist desiccant dryers in maintaining low humidity.

Jamaica Hospital Medical Center – Queens, NY

Flexibility for growth, dependability during power outages, reliable service and quiet operation made natural gas a better choice for one of the nation’s fastest-growing hospitals.

Motion Picture & Television Fund Hospital – Woodland Hills, CA

Six new gas engine-driven cogeneration modules and a gas engine-driven chiller are helping this LA-area hospital achieve its goals:  keeping the environment clean, maximizing energy efficiency and saving money.

Tri-fuel Chiller Plant Delivers Significant Energy Savings to Owners of New York City’sTime & Life Building

Building boasts a one-of-a-kind tri-fuel plant that uses electric-, steam- and natural gas-powered chillers to meet increased cooling demands and achieve substantial savings in energy costs.

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