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DX-Dedicated Outdoor Air System Units
Certification Program

Find AHRI Certified® DX-Dedicated Outdoor Air System Units



Program Scope

This program applies to 60 Hz Production Models of Dedicated Outdoor Air System Units, as defined in Section 1.2 and rated below a Moisture Removal Capacity (MRC) of 97 lb of moisture/h at Standard Rating Condition A per Tables 2 and 3 of AHRI Standard 920 (I-P). For external resistance, refer to Table 4 of AHRI Standard 920 (I-P).

Certified Ratings

The following certification program ratings are verified by test:

  • Moisture Removal Capacity, lb of moisture/h
  • Moisture Removal Efficiency, lb of moisture/kWh

The rules and procedures for obtaining and maintaining certification are detailed in the Resources section above. The specific Standard listed above details the technical requirements for rating and publishing your product performance, the AHRI General Operations Manual (OM) details the program operational rules that are generic to all of AHRI’s certification programs and lastly, the Product-specific Operations Manual provides the operational rules that are specific to this program along with the required documents and fees. Please ensure that you are familiar with the latest rules and procedures for this program.