How much does a furnace replacement cost in Mascoutah, IL?
US national rangeUpdated Prices checked October 20261 source
A furnace replacement costs $2,823 to $6,896 nationally, typical $4,814. We have no documented price index for Mascoutah for this job, so this is the US national range from HomeAdvisor, checked October 2026.
US national range, not adjusted for this city
- Low
- $2,823
- Typical
- $4,814
- High
- $6,896
Furnace replacement cost in Mascoutah, IL
We have no documented price index for Mascoutah for this job, so the table shows the US national range.
| Estimate | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| US national range | $2,823 | $4,814 | $6,896 | Per system, installed; typical range of customer-reported jobs (HomeAdvisor) | October 2026 |
Furnace replacement cost by type or size
US national figures in USD, as published by each source.
| Type or size | Price (USD) | Source |
|---|---|---|
| Electric furnace | $2,000 to $7,000 | HomeAdvisor |
| Gas furnace | $3,800 to $10,000 | HomeAdvisor |
| Oil furnace | $6,750 to $10,000 | HomeAdvisor |
What drives the cost of a furnace replacement
Fuel type
Electric furnaces cost least to install; oil costs the most.
Efficiency rating
High-AFUE furnaces cost more up front.
Home size
Furnaces are sized at roughly 30 to 60 BTUs per square foot.
Climate
Colder regions need more capacity.
Removal of the old unit
Removal and disposal typically add $150 to $330.
Permits and what's included in Mascoutah
Permit note
Furnace replacement usually needs a mechanical permit, and gas work may need its own. Ask your local building department for the fee.
Rules are set locally; confirm with Mascoutah’s building department.
What’s usually included
- The new furnace
- Connection to existing ducts, venting and fuel supply
- Startup and testing
Scopes vary. Get the scope in writing on every quote.
Get furnace replacement quotes in Mascoutah
Tell us about the job and we will pass it to local pros. Asking for quotes never changes how we rank anyone.
Two short steps: your name, then how to reach you. Free, and it never changes anyone’s rank.
Top-ranked HVAC contractors in Mascoutah
The top 3 of 121 HVAC contractors we rank for Mascoutah, IL, by CR Score. Paid placement never changes rank.
- #1Morrison Plumbing, Heating, Air, & Electrical ServicesCR Score 644.9from 8,631 Google reviews
- #2Classic Aire CareCR Score 635.0from 1,160 Google reviews
- #3The Heating & Cooling Guy located in Mascoutah Illinois. Service call $59.CR Score 634.9from 169 Google reviews
Furnace replacement cost in Mascoutah: questions
How much does a furnace replacement cost in Mascoutah, IL?
Do I need a permit for a furnace replacement in Mascoutah?
What affects the cost of a furnace replacement?
How many HVAC contractors serve Mascoutah?
What is usually included in the price?
Sources
Checked October 2026. Figures are estimates, not quotes.
- HomeAdvisor: Furnace replacement cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; prices by fuel; drivers.
Related pages
More cost guides for Mascoutah
- Roof replacement cost in Mascoutah
- Roof repair cost in Mascoutah
- Water heater replacement cost in Mascoutah
- AC replacement cost in Mascoutah
- Electrical panel upgrade cost in Mascoutah
- Interior painting cost in Mascoutah
- Exterior painting cost in Mascoutah
- Kitchen remodel cost in Mascoutah
- Bathroom remodel cost in Mascoutah
- Hardwood floor installation cost in Mascoutah
- Fence installation cost in Mascoutah
- Deck building cost in Mascoutah
- Siding replacement cost in Mascoutah
- Window replacement cost in Mascoutah
- Gutter installation cost in Mascoutah
- Attic insulation cost in Mascoutah
- Solar panel installation cost in Mascoutah
- Garage door repair cost in Mascoutah
- Foundation repair cost in Mascoutah
- Tree removal cost in Mascoutah
- Water damage restoration cost in Mascoutah
- Concrete driveway cost in Mascoutah
- Drywall repair cost in Mascoutah