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How much does a furnace replacement cost in Summerville, SC?

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 Summerville 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

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Furnace replacement cost in Summerville, SC

We have no documented price index for Summerville for this job, so the table shows the US national range.

Furnace replacement cost in Summerville, SC
EstimateLowTypicalHighBasisChecked
US national range$2,823$4,814$6,896Per 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.

Furnace replacement cost by type or size
Type or sizePrice (USD)Source
Electric furnace$2,000 to $7,000HomeAdvisor
Gas furnace$3,800 to $10,000HomeAdvisor
Oil furnace$6,750 to $10,000HomeAdvisor

What drives the cost of a furnace replacement

  1. Fuel type

    Electric furnaces cost least to install; oil costs the most.

  2. Efficiency rating

    High-AFUE furnaces cost more up front.

  3. Home size

    Furnaces are sized at roughly 30 to 60 BTUs per square foot.

  4. Climate

    Colder regions need more capacity.

  5. Removal of the old unit

    Removal and disposal typically add $150 to $330.

Permits and what's included in Summerville

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 Summerville’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.

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Top-ranked HVAC contractors in Summerville

The top 3 of 233 HVAC contractors we rank for Summerville, SC, by CR Score. Paid placement never changes rank.

  1. #1
    Goose Creek Heating & Air (+ Plumbing)
    CR Score 654.9from 2,404 Google reviews
  2. #2
    Local Mechanical Heating & Air
    CR Score 655.0from 399 Google reviews
  3. #3
    LimRic Plumbing, Electrical, Heating & Air
    CR Score 644.9from 6,571 Google reviews

See all ranked HVAC contractors in Summerville

How to check an HVAC contractor's license in South Carolina

In South Carolina, South Carolina Contractor’s Licensing Board (LLR) licenses Mechanical contractor licenses for commercial work; residential specialty contractors register with the Residential Builders Commission.

  1. Check that the status is active and the name matches the contract or truck.
  2. Ask for proof of insurance before work starts.

No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.

Guide checked October 2026. How we verify licenses

Furnace replacement cost in Summerville: questions

How much does a furnace replacement cost in Summerville, SC?

A furnace replacement costs $2,823 to $6,896 nationally, typical $4,814. We have no documented price index for Summerville for this job, so this is the US national range from HomeAdvisor, checked October 2026.

Do I need a permit for a furnace replacement in Summerville?

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, so confirm with Summerville’s building department.

What affects 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.

How many HVAC contractors serve Summerville?

We rank 233 HVAC contractors for Summerville, SC by CR Score. Get at least three written quotes for the same scope.

What is usually included in the price?

The new furnace; Connection to existing ducts, venting and fuel supply; Startup and testing. Always get the scope in writing on the quote.

Sources

Checked October 2026. Figures are estimates, not quotes.

  1. HomeAdvisor: Furnace replacement cost · page updated June 17, 2026 · checked October 2026Primary source. Used for: Low, typical and high; prices by fuel; drivers.
These are published estimates, checked October 2026. They are not quotes. Typical range shown: $2,823 to $6,896. Editorial policy

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