AHRI has announced a new certification program for DX-Dedicated Outdoor Air System Units, which condition outdoor ventilation air independently from the building system, allowing for improved humidity levels and greater energy savings. The scope of the program applies to 60 Hz production models of dedicated outdoor air system units. The equipment in the program is rated and tested in accordance with AHRI Standard 920, Performance Rating of DX-Dedicated Outdoor Air System Units. The following ratings are verified by this standard:
• Moisture removal capacity (lbs of moisture/h)
• Moisture removal efficiency (lbs of moisture/kWh)
As with all AHRI Certified products, performance data will be available in the AHRI Directory of Certified Product Performance (www.ahridirectory.org). (Source: AHRI Update, October 2, 2014)
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