r/DenverHVAC_DIY

Denver's place to get honest HVAC advice and safe do-it-yourself guides. We know a lot about the technical aspects of the Mile High climate, from keeping old Victorian boilers running in Capitol Hill to making sure that high-altitude furnaces and heat pumps work as well as they can. Come with us to learn about the 2026 Colorado low-NOx laws, get the most out of Xcel Energy rebates, and get professional second opinions on "cracked heat exchanger" red tags.