Cost to replace a furnace in Denver, CO (2026)
Homeowners in Denver, CO typically pay between $3,200 and $10,500 to replace a furnace, with most projects landing around $5,800. Local labor and material costs here run above the national average, which is baked into these figures.
What drives the cost
- Fuel type (gas, electric, oil) and efficiency (AFUE)
- Home size and BTU output needed
- Ductwork condition
- Brand and install complexity
What's typically included
- New furnace unit
- Removal of old unit
- Connections, venting and thermostat
- Labor and permits
Where the money typically goes
As a rough rule of thumb for home systems (HVAC, electrical, plumbing) projects, quotes tend to break down like this — actual splits vary by contractor and scope:
How to get the best price in Denver
Get 2–3 itemized quotes from licensed, insured local pros and compare the same scope and materials. Ask about off-season timing and bundling related work. The lowest bid isn't always the best value — check reviews, licensing and warranty.
Local factors in Denver, CO
Denver's high elevation and semi-arid climate bring big daily temperature swings and freeze-thaw cycles that affect concrete curing schedules and foundation work. Colorado's Front Range has also seen a wave of hail-related roofing claims in recent years, which has pushed many local insurers toward requiring or incentivizing impact-resistant roofing materials.
Frequently asked questions
How much does it cost to replace a furnace in Denver, CO?
In Denver, CO, it typically costs $3,200 to $10,500, with an average of about $5,800. Your exact price depends on fuel type (gas, electric, oil) and efficiency (afue) and home size and btu output needed.
What affects the price the most?
The biggest cost drivers are: Fuel type (gas, electric, oil) and efficiency (AFUE); Home size and BTU output needed; Ductwork condition; Brand and install complexity. Getting 2–3 itemized quotes is the best way to see how these apply to your specific project.
What's usually included?
A standard quote to replace a furnace generally includes: New furnace unit; Removal of old unit; Connections, venting and thermostat; Labor and permits. Always confirm what's in (and out of) scope before signing.
How can I save money?
Get multiple quotes, ask about off-season scheduling, bundle related work, and make sure you're comparing the same scope and materials. The cheapest bid isn't always the best value — check licensing, insurance and reviews.
Are these prices exact?
No — they're estimated local ranges for planning, derived from national averages adjusted for Denver, CO costs. For an exact number, get a free in-person quote from a local pro.