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Energy Efficiency Testing

Energy Efficiency Requirements

UL can evaluate and test HVAC/R equipment to mandated U.S. Department of Energy (DOE), California Energy Commission (CEC), National Resources Canada (NRCan) and other international or regional requirements, UL, ASHRAE, AHRI and international standards, or to customer-specific energy efficiency requirements. UL is also an EPA-recognized Certification Body (CB) for the ENERGY STAR® Program. For more information on how UL can assist you with the enhanced requirements, click here.

Product categories and standards  

State-of-the-art facility

North America | Plano, Texas

UL's Dallas Energy Efficiency Test Center opened in 2005 and is one of the largest HVAC/R performance testing facilities in North America. The center underwent an extensive expansion in 2009 that doubled UL's HVAC/R performance testing capacity and enhanced its industry service capabilities.

Facility Features

The 33,000 square foot facility in Plano, TX features state-of-the-art equipment and comprehensive capabilities for energy efficiency testing for a variety of HVAC/R product categories including both split and packaged small and large unitary equipment, water source air conditioning and heat pump equipment, unit ventilators, single package vertical air conditioners, dehumidifiers, unitary spot coolers, chillers, DX coils, water coils, unit fan coils, packaged terminal heat pumps, household refrigerators, commercial icemakers, both self-contained and remote commercial refrigerated display merchandisers and refrigerated vending machines.

  • Three dual-cell psychrometric testing chambers (with two additional chambers scheduled to go online second half of Q4, 2013)
    • Two ASHRAE 72 chambers
      • Regarding installed accessories and operational requirements for commercial and residential refrigerators (coolers), freezers and icemakers during testing
      • Features low velocity air flow in chamber
  • HVAC capacity to test air-cooled/water-cooled units
    • Air-cooled - Up to 30 tons
    • Water-cooled - Up to 20 tons
  • Equipped to handle international or domestic units that run at 50 or 60 Hz
  • Temperature-controlled chambers from -10ºF to 132ºF    
    • These conditions can be met without any additional load to the chambers. 
    • Defrost is needed within a few hours for any test below 40.
  • Airflow measurements up to 12,500 CFM   
  • Water flow rate of 90 gallons per minute   
  • Refrigerant flow rate from 0 to 250 lbs per minute 
  • More than 200 thermocouple points per chamber
  • Specialized and high accuracy transducers for power, voltage, amps, and pressures
  • Data collect speeds up to once per second
  • Remote data tracking capability through online connections and in real-time
  • Client rooms

Take virtual tour of our energy efficiency testing facility.

UL Advantage

Bundled safety testing

UL can perform safety certification testing on products at the same location energy efficiency testing is performed, improving operational efficiencies to help achieve your time-to-market requirements.

Flexible component testing options

UL can help determine which components optimize the energy efficiency of a product. Several components from the product manufacturer or component manufacturers can be sent directly to UL for comparison testing.

Convenient data tracking

You can take advantage of faster troubleshooting at our state-of-the-art testing facilities designed to provide best-in-class test data. Real-time test data can also be viewed live by engineers anywhere in the world through our online data tracking software.

Expert staff

Our knowledgeable team of HVAC/R engineering professionals has a wealth of experience in assisting manufacturers with compliance to performance and safety requirements.


Contact us

UL Dallas HVAC/R Performance Test Center

801 Klein Road, Suite 200
Plano, TX 75074
Office: 972.422.8300
Fax: 972.422.1670