HVAC Replacement Cost in Denver, CO (2026)
Cost breakdown
| Item | Low | High |
|---|---|---|
| AC condenser unit | $2,000 | $4,450 |
| Air handler / furnace | $1,450 | $3,150 |
| Labor & installation | $1,350 | $2,900 |
| Ductwork (if needed) | $550 | $1,150 |
Cost by system size
| system size | Low | High |
|---|---|---|
| 2 ton (up to ~1,200 sq ft) | $4,750 | $8,500 |
| 3 ton (~1,800 sq ft) | $5,850 | $10,050 |
| 4 ton (~2,400 sq ft) | $6,900 | $11,650 |
| 5 ton (~3,000 sq ft) | $7,950 | $13,800 |
Estimate your HVAC Replacement cost
A HVAC Replacement in Denver, CO typically costs between $5,300 and $11,650, with most homeowners paying around $8,500. Costs in Denver run above the national average, driven by local labor rates and permit fees.
Below is a full cost breakdown, a price comparison by system size, the factors that move the price in Denver, money-saving tips, and how to hire the right pro. Prices are based on 2025–2026 industry data and updated regularly.
What's included in the cost
- A new outdoor condenser and indoor air handler or furnace
- Refrigerant, line set, and electrical hookup
- Removal and disposal of the old system
- A new thermostat and permit
- Manufacturer and labor warranty
What affects the price
- System size (tonnage) — bigger homes need more capacity
- SEER2 efficiency rating — higher efficiency costs more upfront
- Ductwork condition — old or leaky ducts add cost
- Brand and length of warranty
How to save on HVAC Replacement in Denver
- Replace in spring or fall when contractors are less busy
- Choose a right-sized system u2014 bigger is not better
- Claim ENERGY STAR federal tax credits and utility rebates
- Get 3 itemized quotes and ask about financing
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How to hire the right pro
- Confirm the contractor is licensed, bonded, and insured
- Ask for a Manual J load calculation, not a rule-of-thumb size
- Get the SEER2 rating and full warranty terms in writing
- Avoid large upfront deposits
Frequently asked questions
How much does a HVAC Replacement cost in Denver?
In Denver, CO, a HVAC Replacement typically costs $5,300 to $11,650 (average about $8,500). Your exact price depends on the specifics below.
Cost figures are based on 2025–2026 industry data (HomeGuide, Angi) and adjusted for local labor rates. Actual prices vary by project — get free local quotes for an exact figure.