How much does a furnace replacement cost in Oklahoma City?

A furnace replacement in Oklahoma City typically costs $2,339-$7,016, 6% below the $4,500 national average.

What is the cost per sq ft of home for a furnace replacement in Oklahoma City?

Furnace Replacement in Oklahoma City typically costs $1-$4 per sq ft of home.

How long does a furnace replacement take?

A furnace replacement typically takes 1 day. The minimum timeline is 4-6 hours, and complex projects can run 2-3 days.

Can I DIY a furnace replacement?

DIY feasibility for a furnace replacement is rated Not recommended - furnace replacement involves gas lines, electrical wiring, and combustion venting that require licensed professionals in most jurisdictions.

Cost to Furnace Replacement in Oklahoma City, OK (2026)

If you’re budgeting a furnace replacement in Oklahoma City, most projects run $2,339-$7,016, 6% below the $4,500 national average. What moves that number most is usually one thing: Furnace Efficiency (AFUE Rating). On its own it can swing the cost by $800 - $3,000, so that’s the decision to slow down on before you sweat the smaller stuff.

Easiest place to save: Get quotes in spring or early fall when HVAC companies are less busy - many offer 10-20% off-season discounts

In the South Central (where Oklahoma City sits): Competitive HVAC market keeps prices down despite high heating demand. Gas is readily available.

$2,339-$7,016 in Oklahoma City

6% below the national average · 0.94x cost multiplier

In Oklahoma City, a furnace replacement runs $2,339 to $7,016 on average - about 6% below what homeowners pay nationwide. The South Central market's labor costs account for most of the gap, with material pricing and local permitting fees adding to the spread. Use the cost table below to compare budget, mid-range, and premium options side by side.

Cost Breakdown in Oklahoma City

Line Item	Low	Mid	High
Cost per sq ft of home	$1	$3	$4
Materials	$1,316	$2,068	$3,760
Labor	$1,113	$1,576	$2,132
Permits	$188	$282	$376
Total	$2,617-7% vs. national avg	$4,208-6% vs. national avg	$7,020-6% vs. national avg

Budget

80% AFUE single-stage gas furnace, basic brand (Goodman or Amana), direct replacement with existing ductwork and venting

Mid-Range

90-95% AFUE two-stage gas furnace, mid-tier brand (Rheem, Trane, or Carrier), standard installation with smart thermostat

Premium

97-98% AFUE modulating variable-speed gas furnace, premium brand (Lennox or American Standard), with zoning controls and whole-house humidifier

Material Options

Material prices below are national averages; availability in Oklahoma City may shift costs slightly.

Material	Cost/Unit	Pros	Cons	Best For
Single-Stage Gas Furnace (80% AFUE)	$2,000 - $3,500 installed	Lowest upfront cost, simple and reliable, fewer parts to fail	Highest operating costs, louder operation, less even heating	Mild climates, budget-focused homeowners, homes with high ceilings or poor insulation where efficiency gains are minimalLowest upfront cost, simple and reliable, fewer parts to fail
Two-Stage Gas Furnace (90-96% AFUE)	$3,500 - $5,500 installed	Good balance of cost and efficiency, quieter on low stage, more even temperatures	Higher upfront cost, requires PVC venting	Most homeowners in cold climates, the sweet spot of cost vs. performanceGood balance of cost and efficiency, quieter on low stage, more even temperatures
Modulating Gas Furnace (97-98% AFUE)	$5,500 - $8,500 installed	Lowest operating costs, whisper-quiet, ultra-even heating, best humidity control	Highest upfront cost, more complex repairs, longer payback period	Cold climates with high heating bills, homeowners planning to stay 10+ yearsLowest operating costs, whisper-quiet, ultra-even heating, best humidity control
Oil Furnace (83-87% AFUE)	$3,000 - $6,000 installed	Produces very hot air, works in areas without natural gas	Higher fuel costs, requires oil storage tank, more maintenance	Rural areas without natural gas service, Northeast homes with existing oil infrastructureProduces very hot air, works in areas without natural gas
Electric Furnace	$1,500 - $3,500 installed	Lowest upfront cost, no combustion or venting, 100% efficient at point of use	Very high operating costs in most areas, slow to heat	Mild climates with low heating needs, areas with very cheap electricity, supplemental heatingLowest upfront cost, no combustion or venting, 100% efficient at point of use

Other Projects in Oklahoma City

Central AC Installation

Roof Replacement (Asphalt Shingles)

Full Kitchen Remodel

Back to national average for Furnace Replacement

Oklahoma City Estimate

Typical Range

$2,339-$7,016

vs. National Average

6% below national

Cost Multiplier

0.94x

Cost Per sq ft of home

$1-$4

This 0.94x estimate prices Oklahoma City labor from BLS Occupational Employment and Wage Statistics (May 2025) and applies a lighter regional adjustment to materials and permits, which vary less by metro than labor does. Actual bids vary by contractor, project scope, and timing.

See national average costs →