HVAC System Installation Cost DuncanHVAC System Installation Cost DuncanHVAC System Installation Cost DuncanHVAC System Installation Cost DuncanHVAC System Installation Cost DuncanHVAC System Installation Cost DuncanHVAC System Installation Cost DuncanHVAC System Installation Cost DuncanHVAC System Installation Cost DuncanHVAC System Installation Cost Duncan

HVAC System Installation Cost in Duncan, OK

Detailed pricing guide with local market adjustments and material comparisons

Duncan Average

$4,250–$12,750

Market Tier

Small City

Cost Breakdown

HVAC System Installation Cost in Duncan

Small City

LowAverageHigh

$4,250$8,500$12,750

Market Tier

Small City (0.85x)

Small city with below-average costs

Material Cost Comparison

Furnace(Budget)

$3,188–$9,563

Air conditioner or heat pump(Mid-Range)

$4,250–$12,750

Evaporator coil(Premium)

$5,950–$17,850

Factors that affect your cost

Home square footage
System type (split, packaged, heat pump)
Efficiency rating (SEER, AFUE)
Ductwork modifications needed
Zoning system addition
Thermostat type
Permit and inspection costs

Get Quotes in Duncan

Pippin Brothers Home Services

Lawton, OK

(580) 232-7266

Moonlight Mechanical Heating & Air

Lawton, OK

(580) 512-2014

The Right Flow Heating & Air

Lawton, OK

(580) 483-2128

Pever Building Company

Lawton, OK

(580) 699-3333

Founding Member

Premium spot in Duncan

Ambassador

Lead the Duncan community

Founding Member

Premium spot in Duncan

View all 5 hvacs in Duncan →

Duncan Housing Market

Median Household Income

$57,020

Median Home Value

$125,800

Median Rent

$872/mo

Homeownership Rate

67.8%

Population

22,872

Median Year Built

1972

Source: U.S. Census Bureau, ACS 2023 5-Year Estimates

Track Your Costs

HVAC

HVAC System Installation

Date

April 2026

Cost

$8,500

Vendor

Your local pro

Warranty

10-year material warranty

Duncan average: $4,250–$12,750

Before

Issue documented with photos

After

Repair completed, area sealed

Materials Used

FurnaceAir conditioner or heat pumpEvaporator coilDuctwork

Warranty Details

10-year material warranty

Auto-Checkup Created

"HVAC System Inspection" — every 12 months

Added by youApril 2026

Property Health Score

Good

hvac category +20 pts(68 → 88)

Documentation19/25

Maintenance20/25

Warranty22/25

Investment21/25

Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.

Track this repair in PropDoctor →

Get a Personalized Estimate

Find a HVAC tech near me

I found 5 HVAC technicians in your area. Here are the top results:

Professionals Found

5 results

Smith & Sons

Connected

HVAC technician

4.9(47)

BookQuote

J&R Home Services

HVAC technician

4.7(23)

From $95/hr

MessageView

View All in ProPortal

Log my hvac system installation in PropDoctor

I'll help you log this. I've pre-filled the details — review and submit:

Add to Property History

HVAC technician

Title:HVAC tech

Category:HVAC technician

Date:2026-04-05

Fill Form & Review

Fill Form & Submit

SmartSearch understands 51 action types across scheduling, vendor discovery, and home maintenance.

Try SmartSearch →

Cost FAQ

What is the average cost of hvac system installation in Duncan?

The average cost of hvac system installation in Duncan, OK ranges from $4,250 to $12,750. The final price depends on Home square footage, System type (split, packaged, heat pump), Efficiency rating (SEER, AFUE).

What factors affect hvac system installation cost?

Key factors include: Home square footage, System type (split, packaged, heat pump), Efficiency rating (SEER, AFUE), Ductwork modifications needed, Zoning system addition, Thermostat type, Permit and inspection costs. In Duncan, local labor rates and material availability also influence pricing.

How do I get accurate quotes for hvac system installation in Duncan?

Get at least 3 quotes from licensed professionals in Duncan. Use Fizbo SmartSearch to find and compare local hvacs, read reviews, and request estimates — all in one place.

Explore Duncan, OK

Homes for Salein Duncan Rentalsin Duncan Home Servicesin Duncan Maintenance Guidesin Duncan Find Professionalsin Duncan

HVAC System Installation Cost in Nearby Cities

Lawton, OK Marlow, OK Elgin, OK Lindsay, OK Healdton, OK Walters, OK

HVAC System Installation Cost in Duncan, OK

Cost Breakdown

HVAC System Installation Cost in Duncan

Material Cost Comparison

Get Quotes in Duncan

Duncan Housing Market

Track Your Costs

HVAC System Installation

Property Health Score

Get a Personalized Estimate

Cost FAQ

More Cost Guides for Duncan

AC Unit Installation Cost

Furnace Replacement Cost

Ductwork Repair & Cleaning Cost

Smart Thermostat Installation Cost

Explore Duncan, OK

HVAC System Installation Cost in Nearby Cities