8 AC Repair Contractors in Fairfax, VA

4.8 avg rating
11,391 total reviews5 offer 24/7 service
Need emergency service? 5 HVAC providers in Fairfax offer 24/7 availability

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Top-Rated AC Repair Contractors in Fairfax

#1

CroppMetcalfe

4.8(7,764 reviews)
24/7 Highly Rated

Technicians AJ Morton, David Carter, and Mr. O'Connor each receive named recognition across multiple 5-star reviews, suggesting a consistent team of…

8421 Hilltop Rd, Fairfax, VA 22031
#2

OHA HVAC, Plumbing, Chimney & Fireplaces

4.9(1,939 reviews)
24/7 Highly Rated

Across 1,905 reviews, 12 reviewers specifically mention same-day or emergency response, with several noting arrival during heat waves or holiday weekends.…

2800 Juniper St #10, Fairfax, VA 22031
#3

Bluestar Air Mechanical Inc.

4.9(615 reviews)
Highly Rated

615 reviews yield a 4.9-star average with technicians named across nearly every testimonial. Danny Ruiz appears in dozens of reviews for same-day emergency…

11092b Main St #102, Fairfax, VA 22030

All AC Repair Contractors (8 total)

B&B Air Conditioning & Heating Service

4.9(332)
Highly Rated

Five of six highlighted reviewers award perfect 5-star ratings, with consistent praise for specific…

2816 Dorr Ave, Fairfax, VA 22031

Argent Heating Cooling and Plumbing

4.7(401)
24/7

Across 401 reviews, technicians William, Miguel, and Johnnie appear repeatedly in five-star feedback for…

2724 Dorr Ave, Fairfax, VA 22031

AVS Heating and Air Conditioning

4.8(156)
24/7 Highly Rated

Of 8 named reviewers, 5 specifically mention same-day or sub-hour emergency response, with two noting arrival…

2800 Dorr Ave unit r, Fairfax, VA 22031

Long's Corporation

4.6(116)
24/7

116 reviewers award Long's Corporation a 4.6-star average, with at least 5 specifically praising honest…

11215 Lee Hwy Service Rd G, Fairfax, VA 22030

HVAC EXPERTS

4.9(68)

All 68 reviews award 5 stars, with customers consistently praising David's honest estimates, on-time…

11350 Random Hills Rd Suite 800, Fairfax, VA 22030

AC Repair Costs in Fairfax

Typical repair costs for Fairfax homeowners, by problem type.

ServiceLowAverageHigh
Diagnostic / service call
Usually credited toward repair
$75$120$200
Refrigerant recharge (R-410A)
$150$350$700
Capacitor replacement
$120$250$450
Fan motor replacement
$250$450$700
Compressor replacement
$800$1,800$2,800
Evaporator coil repair
$400$900$1,500
Labor (hourly rate)
Per hour during business hours
$75$110$150

Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Repair in Fairfax, VA: What to Expect

Fairfax experiences hot, humid Northern Virginia summers with highs reaching 88°F — conditions where a failing AC unit goes from inconvenient to genuinely uncomfortable within hours. The Fairfax AC repair market has 6 contractors averaging 4.8 stars across 10,600+ reviews, and 4 operate around the clock, providing solid coverage for a market of this scale.

Diagnostic and service calls run $75-$200. Refrigerant recharges (R-410A) cost $150-$700, and capacitor replacement — a common summer failure — runs $120-$450. Virginia requires HVAC contractors to hold a Class A, B, or C Contractor License with HVA specialty from DPOR; the tier depends on project scope, so ask which class your contractor holds before authorizing repairs.

CroppMetcalfe is a consistent performer in this market, with reviewers citing professionalism and reliable scheduling. OHA HVAC, Plumbing, Chimney & Fireplaces earns repeated 5-star ratings, with multiple reviewers noting technicians leave work areas clean after repairs — a small but telling sign of professional standards. Bluestar Air Mechanical receives similar feedback, with reviews praising on-time arrivals and clean job sites across sampled customer experiences.

Frequently Asked Questions

AC repair in Fairfax typically costs $75-$2,800 depending on the problem. Diagnostic calls run around $75-$200, refrigerant recharges $150-$700, capacitor replacement $120-$450, and compressor replacement $800-$2,800. Most contractors apply the diagnostic fee toward the final repair cost if you proceed.