HVAC Efficiency Standards Will Look a Little Different Come 2015 by Mike Rampey | November 20, 2014November 20, 2014 In April 2014, the United States Department of Energy (DOE) implemented changes to HVAC efficiency standards. These changes will go into effect on January 1, 2015, and apply to both […]Read More Filed Under: Efficiency– HVAC system Tagged With: AFUE– annual fuel utilization efficiency– Broken Arrow– Heating Seasonal Performance Facto– HSPF– HVAC components– HVAC Efficiency Standards– Oklahoma– seasonal energy efficiency ratio– seer– Tulsa– United States Department of Energy