HVAC System Installation Cost FairfaxHVAC System Installation Cost FairfaxHVAC System Installation Cost FairfaxHVAC System Installation Cost FairfaxHVAC System Installation Cost FairfaxHVAC System Installation Cost FairfaxHVAC System Installation Cost FairfaxHVAC System Installation Cost FairfaxHVAC System Installation Cost FairfaxHVAC System Installation Cost Fairfax

HVAC System Installation Cost in Fairfax, VA

Detailed pricing guide with local market adjustments and material comparisons

Fairfax Average

$4,250–$12,750

Market Tier

Small City

Cost Breakdown

HVAC System Installation Cost in Fairfax

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 Fairfax

AC Guys DMV Services

Alexandria, VA

(202) 440-8874

HVAC & Plumbing Unlimited

Alexandria, VA

(703) 455-6000

Salvation Heating & Air Conditioning

Arlington, VA

(703) 859-2200

K&K Air Duct & Dryer Vent Cleaning

Alexandria, VA

(571) 339-4265

Founding Member

Premium spot in Fairfax

Ambassador

Lead the Fairfax community

Founding Member

Premium spot in Fairfax

View all 127 hvacs in Fairfax →

Fairfax Housing Market

Median Home Price

$775,000

Homes for Sale

Price per Sq Ft

$381

Local Pros

600

Home Service Professionals Near Fairfax

lender 101Agents 95multimedia_specialist 82Landscapers 78Roofers 65Movers 65Flooring 57Cleaners 57

Median Household Income

$132,774

Median Home Value

$677,400

Median Rent

$2,122/mo

Homeownership Rate

69.3%

Population

24,478

Median Year Built

1967

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

Fairfax 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 127 HVAC technicians in your area. Here are the top results:

Professionals Found

127 results

Smith & Sons

Connected

HVAC technician

4.9(47)

BookQuote

J&R Home Services

HVAC technician

4.7(23)

From $95/hr

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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:2026-04-07

Fill Form & Review

Fill Form & Submit

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Cost FAQ

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

The average cost of hvac system installation in Fairfax, VA 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 Fairfax, local labor rates and material availability also influence pricing.

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

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

Explore Fairfax, VA

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HVAC System Installation Cost in Fairfax, VA

Cost Breakdown

HVAC System Installation Cost in Fairfax

Material Cost Comparison

Get Quotes in Fairfax

Fairfax Housing Market

Track Your Costs

HVAC System Installation

Property Health Score

Get a Personalized Estimate

Cost FAQ

More Cost Guides for Fairfax

AC Unit Installation Cost

Furnace Replacement Cost

Ductwork Repair & Cleaning Cost

Smart Thermostat Installation Cost

Explore Fairfax, VA

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