An official website of the United States government
Here's how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Webpage of ACCA’s Quality Standards outlining precisely the procedures that contractors should follow when designing, installing, maintaining, repairing, and verifying indoor environment systems.
Information sheet summarizing inspection and testing of combustion appliances taught during the 2006 Florida whole-house weatherization training as part of the U.S. Department of Energy’s Hot Climate Initiative.
Software tool available free online that can help calculate heating and cooling requirements to accurately size HVAC equipment in as little as 15 minutes.