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How much does a furnace replacement cost in Maple Valley, WA?

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 Maple Valley 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 Maple Valley, WA

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

Furnace replacement cost in Maple Valley, WA
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 Maple Valley

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 Maple Valley’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 Maple Valley

The top 3 of 454 HVAC contractors we rank for Maple Valley, WA, by CR Score. Paid placement never changes rank.

  1. #1
    AAA Heating & Air Conditioning
    CR Score 664.9from 4,668 Google reviews
  2. #2
    Greenwood Heating and Home Services
    CR Score 654.9from 4,152 Google reviews
  3. #3
    South West Plumbing, Heating, Air, & Electric
    CR Score 644.6from 5,204 Google reviews

See all ranked HVAC contractors in Maple Valley

Furnace replacement cost in Maple Valley: questions

How much does a furnace replacement cost in Maple Valley, WA?

A furnace replacement costs $2,823 to $6,896 nationally, typical $4,814. We have no documented price index for Maple Valley 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 Maple Valley?

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 Maple Valley’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 Maple Valley?

We rank 454 HVAC contractors for Maple Valley, WA 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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