warm air furnaceWarm air furnaces (also known as forced-air furnaces) were regulated for the first time by the U.S. Environmental Protection Agency (EPA) with new regulations finalized in February 2015. 

  • Smaller-sized furnaces (those under 60,000 BTUs) had an effective date of May 15, 2016 (one year after the regulation was finalized).
  • Larger furnaces (those equal to or greater than 60,000 BTUs) had an effective date of May 15, 2017.
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EPA recognized that, since these were new regulations, manufacturers needed time to review the new requirements and develop products that meet the standards.

 

Today, all warm air furnaces are EPA-certified to the Step 1 requirements that came into effect in 2016 and 2017. furnace

View the list of EPA-certified warm air furnaces

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