What are the 2026 HVAC efficiency minimums in Colorado?
As of 2023, the federal minimum for northern-region states including Colorado is 14 SEER2 for split-system air conditioners and heat pumps. For furnaces, there is no federal minimum AFUE for the northern region, but Colorado's climate makes anything below 80% AFUE impractical. We recommend 96% AFUE two-stage as the best value for Denver Metro homes.
Do I need a permit for HVAC work in Colorado?
Yes. In most Colorado counties, replacing a furnace, AC, or heat pump requires a mechanical permit. The contractor is responsible for pulling the permit and scheduling the inspection. On Time Heat & Air handles all permitting in Adams, Arapahoe, Aurora, Broomfield, Denver, Douglas, Jefferson Counties, and Commerce City. If a contractor says you don't need a permit, that's a red flag.
How do I verify my HVAC contractor is licensed in Colorado?
Colorado does not have a state-level HVAC license. Licensing is handled at the county and city level. Ask your contractor for their specific license numbers in the county where your home is located. On Time Heat & Air holds active licenses in 8 counties — all publicly listed on our website with verifiable license numbers.
What refrigerant changes are happening in 2026?
R-410A is being phased down under EPA regulations. New equipment is transitioning to R-32 and R-454B, which have lower global warming potential. Existing R-410A systems will continue to be serviced — the refrigerant isn't disappearing. If you're buying a new system in 2026, ask whether it uses R-410A or next-gen refrigerant.
Are there new rebates for HVAC in Colorado in 2026?
Colorado continues to offer heat pump tax credits, Xcel Energy rebates, and federal HEAR program incentives for income-qualified households. These can be stacked for combined savings of $2,000-$9,000+ on qualifying heat pump installations. AC-only installations do not qualify for these incentives. See our rebates page for current programs.
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