HVAC Breaking News

Oct. 4, 2013: AHRI Launches Unit Coolers Certification Program

Certified Ratings for Unit Coolers Include Cooling Capacity and Rated Fan Power

October 4, 2013
ARLINGTON, Va. — The Air-Conditioning, Heating, and Refrigeration Institute (AHRI) has launched a new certification program for unit coolers, which are typically utilized in refrigerated warehouses. This is AHRI’s 39th certification program.

The equipment in the Unit Coolers Certification Program is rated and tested in accordance with AHRI Standard 420, Performance Rating of Forced-Circulation Free-Delivery Unit Coolers for Refrigeration. Unit coolers are factory-made, and include means for forced air circulation and elements by which heat is transferred from air to refrigerant without any air resistance from external elements. The certified ratings for the unit coolers program include cooling capacity and rated fan power.

“As with all products in our certification program, AHRI certified unit coolers provide the assurance that manufacturers’ performance ratings for the equipment have been independently verified,” said Bill Tritsis, AHRI vice president, certification.

The program applies to production models of unit coolers that meet the following criteria:

• Use refrigerant R-404A or R-507A for direct expansion (DX) coils, or R-717 for DX and/or liquid overfeed coils;

• Aluminum fin material;

• Single vertical coil;

• Horizontal-only airflow direction (the air flows to or from the inlet face of the coil from or to the fan inlet, with no change in direction); and

• Axial fans only.

Performance data for certified products in this program will be available in the AHRI Directory of Certified Product Performance at www.ahridirectory.org.

Publication date: 9/30/2013

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