How much does a furnace replacement cost in Cohasset, MA?
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 Cohasset 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 Cohasset, MA
We have no documented price index for Cohasset 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 Cohasset
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 Cohasset’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 Cohasset
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 Cohasset
The top 3 of 866 HVAC contractors we rank for Cohasset, MA, by CR Score. Paid placement never changes rank.
- #1Blue Bear Plumbing Heating & AirCR Score 654.8from 2,030 Google reviews
- #2Boston Standard CompanyCR Score 644.7from 2,808 Google reviews
- #3Aspinwall Baystate Plumbing, Heating, Air ConditioningCR Score 634.8from 953 Google reviews
Furnace replacement cost in Cohasset: questions
How much does a furnace replacement cost in Cohasset, MA?
Do I need a permit for a furnace replacement in Cohasset?
What affects the cost of a furnace replacement?
How many HVAC contractors serve Cohasset?
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 Cohasset
- Roof replacement cost in Cohasset
- Roof repair cost in Cohasset
- Water heater replacement cost in Cohasset
- AC replacement cost in Cohasset
- Electrical panel upgrade cost in Cohasset
- Interior painting cost in Cohasset
- Exterior painting cost in Cohasset
- Kitchen remodel cost in Cohasset
- Bathroom remodel cost in Cohasset
- Hardwood floor installation cost in Cohasset
- Fence installation cost in Cohasset
- Deck building cost in Cohasset
- Siding replacement cost in Cohasset
- Window replacement cost in Cohasset
- Gutter installation cost in Cohasset
- Attic insulation cost in Cohasset
- Solar panel installation cost in Cohasset
- Garage door repair cost in Cohasset
- Foundation repair cost in Cohasset
- Tree removal cost in Cohasset
- Water damage restoration cost in Cohasset
- Concrete driveway cost in Cohasset
- Drywall repair cost in Cohasset