Articles by Don Langston

As an HVACR contractor and national chairman of ACCA, I can tell you that, when it comes to my industry, public policy has fundamentally ignored a key energy-efficiency issue for some time.

We’ve found many systems are delivering only 50 percent of their rated capacity into the indoor conditioned space. Combine poor installation and service-related issues with inconsistent maintenance practices or, even worse, a run-to-fail scenario, and we find that many systems operate far below the manufacturer’s Air-Conditioning, Heating, and Refrigeration Institute (AHRI) laboratory rated efficiency.