How Much Does Furnace Replacement Cost in Montana?
Montana pricing is near the national average. Updated for 2026.
Furnace Replacement Pricing in Montana
In Montana, the average cost for furnace replacement is $4,275 per unit, which is 5% lower than the national average of $4,500. Most Montana residents pay between $2,375 and $7,125.
Montana has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.
Furnace replacement includes removing the old unit and installing a new gas, electric, or oil furnace. A properly sized furnace is critical for efficiency and comfort.
Montana vs National Average
What Affects Furnace Replacement Cost in Montana?
Fuel Type
Gas: $3,000-$6,000. Electric: $2,000-$4,500. Oil: $4,000-$7,500
Efficiency
80% AFUE: $2,500-$4,000. 95%+ AFUE: $3,500-$6,500
Size
Undersized or oversized units waste energy. Proper sizing by a pro is essential.
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💡 Tips to Save on Furnace Replacement in Montana
- 1.Buy during summer when HVAC companies are less busy
- 2.A 95%+ AFUE furnace costs more upfront but saves 20-30% on heating bills
- 3.Get 3+ quotes and ask about rebates
- 4.Check for utility company and federal tax incentives
📈 Furnace Replacement in Montana Cost Trends (2022–2026)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2022 | $3,631 | — |
| 2023 | $3,783 | +4.2% |
| 2024 | $4,029 | +6.5% |
| 2025 | $4,142 | +2.8% |
| 2026 | $4,275 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Furnace Replacement in Montana
Recent Reports
Frequently Asked Questions
How long does a furnace last?
Most gas furnaces last 15-20 years. Electric furnaces can last 20-30 years. Oil furnaces typically last 15-25 years.
What size furnace do I need?
A general rule is 30-60 BTUs per square foot, but climate, insulation, and home layout all factor in. A Manual J calculation gives the most accurate sizing.
Furnace Replacement Cost in Other States
Related Cost Guides for Montana
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