Compare HVAC costs in Denver, CO (2026)
Not sure which option fits? Here's how every HVAC project compares in Denver — local 2026 estimates plus what each choice is best for. The lowest-cost choice on this list is Furnace Replacement (from $4,700).
Often paired with HVAC in Denver
These tend to come up alongside HVAC work for Denver homeowners.
Cheapest time for hvac in Denver
HVAC demand collapses in the mild shoulder seasons, so installers discount to keep crews busy. The most expensive time to buy is during a heat wave or cold snap, when a dead system forces a full-price emergency replacement.
HVAC in Denver
How much does hvac work cost in Denver?
HVAC costs in Denver span $4,700 to $17,350 in 2026, depending on which project you choose. Furnace Replacement is the cheapest entry point (from $4,700); Full HVAC System Replacement sits at the top end (up to $17,350).
Which hvac option is cheapest in Denver?
Furnace Replacement comes in lowest in Denver, usually around $6,600 — it's the right fit if you're dealing with Lowest upfront cost for homes with gas heat.
When is the cheapest time for hvac work in Denver?
Book during spring and fall (mar–may, sep–oct) for the best pricing — installers discount when demand is low, typically saving 5–15%. Steer clear of peak summer and mid-winter.
How do I choose the right hvac option in Denver?
Match the project to your home's needs and budget — each option above lists what it's best for. Get 2–3 local quotes for your top choice and compare on scope, warranty and equipment tier, not just the headline price.
Estimates are localized to Denver (cold climate) using local labor price levels, climate factors and permit fees. Always confirm with local contractors.