How much does a furnace replacement cost in Lake Grove, NY?
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 Lake Grove 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 Lake Grove, NY
We have no documented price index for Lake Grove 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 Lake Grove
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 Lake Grove’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 Lake Grove
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 Lake Grove
The top 3 of 696 HVAC contractors we rank for Lake Grove, NY, by CR Score. Paid placement never changes rank.
- #1Kintech Heating, Cooling & PlumbingCR Score 645.0from 633 Google reviews
- #2Cool Power LLCCR Score 634.9from 630 Google reviews
- #3Energywise IncCR Score 634.9from 514 Google reviews
Furnace replacement cost in Lake Grove: questions
How much does a furnace replacement cost in Lake Grove, NY?
Do I need a permit for a furnace replacement in Lake Grove?
What affects the cost of a furnace replacement?
How many HVAC contractors serve Lake Grove?
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 Lake Grove
- Roof replacement cost in Lake Grove
- Roof repair cost in Lake Grove
- Water heater replacement cost in Lake Grove
- AC replacement cost in Lake Grove
- Electrical panel upgrade cost in Lake Grove
- Interior painting cost in Lake Grove
- Exterior painting cost in Lake Grove
- Kitchen remodel cost in Lake Grove
- Bathroom remodel cost in Lake Grove
- Hardwood floor installation cost in Lake Grove
- Fence installation cost in Lake Grove
- Deck building cost in Lake Grove
- Siding replacement cost in Lake Grove
- Window replacement cost in Lake Grove
- Gutter installation cost in Lake Grove
- Attic insulation cost in Lake Grove
- Solar panel installation cost in Lake Grove
- Garage door repair cost in Lake Grove
- Foundation repair cost in Lake Grove
- Tree removal cost in Lake Grove
- Water damage restoration cost in Lake Grove
- Concrete driveway cost in Lake Grove
- Drywall repair cost in Lake Grove