Colmac Coil, Colville, Wash., accomplished a 100 percent success rate in passing all tests in the Air Conditioning, Heating and Refrigeration Institute (AHRI) certification programs for 2012.

AHRI certification means that the specified product has been tested under ISO Guide 56 international requirements standards, indicating safety and reliability in products across the globe. When a product meets these standards, it authenticates its published performance ratings, ensuring uniformity within the market and fair competition for manufacturers.