Furnace Replacement in Denver, CO
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Cost Range
$1,781–$4,987
Local Pros
93 available
Overview
Replace your aging or failed furnace with a new high-efficiency unit. Modern furnaces achieve 95-98% efficiency compared to 60-80% for older models, significantly reducing heating costs.
Denver Climate Considerations (mixed dry)
- • Furnace overuse in extended winters
- • Altitude affects combustion efficiency
- • Dry air damages ductwork seals
Common Signs You Need Furnace Replacement
- • Furnace is 15-20+ years old
- • Cracked heat exchanger detected
- • Repair costs exceed 50% of new unit
- • Yellow or flickering pilot flame
- • Rising heating bills despite maintenance
- • Inconsistent heating
Furnace Replacement Cost in Denver
Low
$1,781
Average
$3,384
High
$4,987
When to Call a Professional
Call a professional when:
Furnace replacement involves gas line connections, combustion venting, electrical work, and precise sizing. Always hire a licensed HVAC contractor.
Hvacs in Denver
Founding Member
Premium spot in Denver
Ambassador
Lead the Denver community
Founding Member
Premium spot in Denver
Denver Housing Market
Median Home Price
$505,000
Homes for Sale
1,208
Price per Sq Ft
$385
Local Pros
600
Home Service Professionals Near Denver
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Furnace Replacement
Date
April 2026
Cost
$3,384
Vendor
Your local pro
Warranty
10-year material warranty
Denver average: $1,781–$4,987
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Warranty Details
10-year material warranty
Auto-Checkup Created
"Furnace Inspection" — every 12 months
Property Health Score
Good
hvac category +18 pts(68 → 86)
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Maintenance Plan for Denver
Recommended Maintenance Plan — Denver, Colorado
Key Risks
- • Furnace overuse in extended winters
- • Altitude affects combustion efficiency
- • Dry air damages ductwork seals
- • Severe hailstorms
- • Heavy snow loads
Schedule
Visual inspection (DIY)(DIY)
Professional furnace replacement
Estimated: $2500–$7000
Plan for full replacement
Estimated: $7,500–$21,000
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Related Services in Denver
Furnace Repair
Diagnose and repair furnace issues including no heat, insufficient heating, strange noises, and pilot light problems. Ensures safe, reliable heating during cold weather.
HVAC System Installation
Install a complete heating, ventilation, and air conditioning system including furnace, air conditioner, ductwork, and thermostat. A major investment that provides comfort for 15-20 years.
Ductwork Repair & Cleaning
Repair leaking, disconnected, or damaged ductwork and clean accumulated dust, debris, and mold from your HVAC ducts. Proper ductwork improves efficiency by 20-30% and enhances indoor air quality.
Smart Thermostat Installation
Install a programmable or smart thermostat to optimize heating and cooling schedules, reduce energy waste, and enable remote temperature control. Smart thermostats can save 10-15% on HVAC energy costs.
Colorado Regulations
Building Code: IRC 2018
Seller Disclosure: Sellers must complete a Seller's Property Disclosure form. Colorado also requires specific lead-based paint, meth lab, and radon disclosures.
Natural Disaster Risks: Hailstorms, Wildfires, Blizzards, Flooding