Colorado goes statewide with ultra-low NOx furnace rule
As of Jan. 1, new residential gas furnace and water heater models sold in the state must be ultra-low NOx or meet the latest Energy Star standards
HVAC
Q1 temperature outlook: Split across U.S.
Much of the country faces equal chances of temperatures being above or below normal for the period, according to the latest data
November distributor sales dip on ‘slow start’ to heating season
HVAC distributor sales during the month fell 2.9 percent year-over-year, according to HARDI data released Tuesday
EPA eases up on HVAC install deadline
The agency over the holidays announced that it's deprioritizing the enforcement of a deadline that affects many R-410A systems
December’s most popular stories
2026 commentary, two contractor-facing reports, and more
What you’re saying: The year ahead
A roundup of industry predictions for 2026, submitted by you, our wonderful readers
HVAC Wrapped: 2025 in Review
The year's biggest stories, by quarter
AC efficiency mix shifts lower, distributor sales show
“There has been a relative step back in the percentage of higher efficiency systems sold compared to this time last year,” per HARDI
Homepros: 2025 Editor’s Letter
What happened this year — and what’s happening next
EPA unclear on HVAC install rule as deadline nears
The EPA has proposed removing the Jan. 1, 2026, deadline for installing many R-410A systems, but it hasn't yet issued a final rule