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Furnace Replacement Cost in Great Falls, MT
Detailed pricing guide with local market adjustments and material comparisons
Great Falls Average
$2,875–$8,050
Market Tier
Mid-Size City
Cost Breakdown
Furnace Replacement Cost in Great Falls
Mid-Size CityLowAverageHigh
$2,875$5,463$8,050
Market Tier
Mid-Size City (1x)
Mid-size city with average market costs
Climate Adjustment
1.15x
Based on local climate conditions
Material Cost Comparison
Furnace unit(Budget)
$2,156–$6,038Vent pipe(Mid-Range)
$2,875–$8,050Gas connector(Premium)
$4,025–$11,270Factors 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
Get Quotes in Great Falls
Thermal Supply
Great Falls, MT
(406) 727-0647
Talon Plumbing & Heating Inc.
Great Falls, MT
(406) 453-4911
Sawtooth Mechanical & Construction
Great Falls, MT
(406) 562-3303
Facility Improvement Corporation
Great Falls, MT
(406) 452-0009Founding Member
Premium spot in Great Falls
Ambassador
Lead the Great Falls community
Founding Member
Premium spot in Great Falls
Great Falls Housing Market
Median Household Income
$63,934
Median Home Value
$237,400
Median Rent
$866/mo
Homeownership Rate
68.4%
Population
60,412
Median Year Built
1965
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Replacement
Furnace Replacement
Date
April 2026
Cost
$5,463
Vendor
Your local pro
Warranty
10-year material warranty
Great Falls average: $2,875–$8,050
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
88
hvac category +18 pts(70 → 88)
Documentation19/25
Maintenance20/25
Warranty22/25
Investment21/25
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Get a Personalized Estimate
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I found 4 HVAC technicians in your area. Here are the top results:
SM
Smith & Sons
ConnectedHVAC technician
4.9(47)
BookQuote
JR
J&R Home Services
HVAC technician
4.7(23)
From $95/hr
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Title:HVAC tech
Category:HVAC technician
Date:2026-04-05
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Cost FAQ
What is the average cost of furnace replacement in Great Falls?
The average cost of furnace replacement in Great Falls, MT ranges from $2,875 to $8,050. 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 Great Falls, local labor rates and material availability also influence pricing.
How do I get accurate quotes for furnace replacement in Great Falls?
Get at least 3 quotes from licensed professionals in Great Falls. Use Fizbo SmartSearch to find and compare local hvacs, read reviews, and request estimates — all in one place.