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How much does a furnace replacement cost in Harlingen, TX?

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 Harlingen 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 Harlingen, TX

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

Furnace replacement cost in Harlingen, TX
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 Harlingen

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 Harlingen’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 Harlingen

The top 3 of 102 HVAC contractors we rank for Harlingen, TX, by CR Score. Paid placement never changes rank.

  1. #1
    General HVAC LLC
    CR Score 644.9from 130 Google reviews
  2. #2
    American AC & Heating
    CR Score 644.7from 1,279 Google reviews
  3. #3
    Aire Serv of Harlingen
    CR Score 634.9from 82 Google reviews

See all ranked HVAC contractors in Harlingen

How to check an HVAC contractor's license in Texas

In Texas, Texas Department of Licensing and Regulation (TDLR) licenses Air conditioning and refrigeration contractor licenses (Class A and B).

  1. Search the business name or license number on the Texas Department of Licensing and Regulation (TDLR) license lookup.
  2. Check that the status is active and the name matches the contract or truck.
  3. 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 Harlingen: questions

How much does a furnace replacement cost in Harlingen, TX?

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

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 Harlingen’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 Harlingen?

We rank 102 HVAC contractors for Harlingen, TX 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

Related pages

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