Find AHRI Certified®
Product-Specific Operations Manual
General Operations Manual
This program applies to gas-fired and oil-fired central furnaces using a single-phase electric current or DC, and having a heat input rate of less than 225,000 Btu/hr.
The following certification program ratings are verified by test:
Output Heating Capacity (MBtuh)
Annual Fuel Utilization Efficiency,% (AFUE)
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.