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Furnace Replacement Cost in Thornton, CO
Detailed pricing guide with local market adjustments and material comparisons
Thornton Average
$2,731–$7,647
Market Tier
Large City
Cost Breakdown
Furnace Replacement Cost in Thornton
Large CityLowAverageHigh
$2,731$5,189$7,647
Market Tier
Large City (1.15x)
Large city with competitive market and moderate-high costs
Climate Adjustment
0.95x
Based on local climate conditions
Material Cost Comparison
Furnace unit(Budget)
$2,048–$5,735Vent pipe(Mid-Range)
$2,731–$7,647Gas connector(Premium)
$3,823–$10,706Factors that affect your cost
- Furnace size (BTU capacity)
- Efficiency rating (AFUE)
- Gas vs electric
- Single-stage vs two-stage vs modulating
- Ductwork modifications
- Venting changes (standard vs high-efficiency)
- Permit and inspection fees
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Thornton Housing Market
Median Home Price
$486,990
Homes for Sale
147
Price per Sq Ft
$238
Local Pros
600
Home Service Professionals Near Thornton
Agents 115lender 89multimedia_specialist 80Landscapers 68Roofers 67Electricians 62Painters 61Flooring 58
Median Household Income
$100,985
Median Home Value
$482,200
Median Rent
$1,810/mo
Homeownership Rate
73.1%
Population
142,878
Median Year Built
1996
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Replacement
Furnace Replacement
Date
April 2026
Cost
$5,189
Vendor
Your local pro
Warranty
10-year material warranty
Thornton average: $2,731–$7,647
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Furnace unitVent pipeGas connectorCondensate line (high-efficiency)
Warranty Details
10-year material warranty
Auto-Checkup Created
"Furnace Inspection" — every 12 months
Added by youApril 2026
Property Health Score
Good
85
hvac category +18 pts(67 → 85)
Documentation19/25
Maintenance20/25
Warranty22/25
Investment21/25
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
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I found 93 HVAC technicians in your area. Here are the top results:
SM
Smith & Sons
ConnectedHVAC technician
4.9(47)
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JR
J&R Home Services
HVAC technician
4.7(23)
From $95/hr
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Category:HVAC technician
Date:2026-04-08
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Cost FAQ
What is the average cost of furnace replacement in Thornton?
The average cost of furnace replacement in Thornton, CO ranges from $2,731 to $7,647. The final price depends on Furnace size (BTU capacity), Efficiency rating (AFUE), Gas vs electric.
What factors affect furnace replacement cost?
Key factors include: Furnace size (BTU capacity), Efficiency rating (AFUE), Gas vs electric, Single-stage vs two-stage vs modulating, Ductwork modifications, Venting changes (standard vs high-efficiency), Permit and inspection fees. In Thornton, local labor rates and material availability also influence pricing.
How do I get accurate quotes for furnace replacement in Thornton?
Get at least 3 quotes from licensed professionals in Thornton. Use Fizbo SmartSearch to find and compare local hvacs, read reviews, and request estimates — all in one place.