7 AC Repair Contractors in Knightdale, NC

4.3 avg rating
3,883 total reviews4 offer 24/7 service
Need emergency service? 4 HVAC providers in Knightdale offer 24/7 availability

Top-Rated AC Repair Contractors in Knightdale

#1

Weather Master Heating & Air Conditioning

4.7(2,251 reviews)
24/7

Positive reviewers consistently cite diagnostic skill and respectful on-site conduct, with George and Daniel named as technicians who explained options and…

305 Village Dr, Knightdale, NC 27545
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#2

Reliable Heating & Air

4.9(664 reviews)
Highly Rated

Over 600 reviews averaging 4.9 stars reveal consistent praise for technical knowledge and honest recommendations. Multiple reviewers specifically note…

530 Hinton Pond Rd Ste 148, Knightdale, NC 27545
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#3

Quality Comfort Services, Inc.

4.9(581 reviews)
24/7 Highly Rated

All 556 reviewers awarded 5 stars, a clean sweep suggesting consistent execution across installations, service calls, and maintenance visits. Four reviewers…

725 Bethlehem Rd, Knightdale, NC 27545
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All AC Repair Contractors (7 total)

Triangle Repair Group Heating & Cooling

4.9(173)
24/7 Highly Rated

All five-star reviews describe technicians as professional, with two reviewers specifically naming Robert and…

704 Three Sisters Rd, Knightdale, NC 27545
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Air Essentials, Inc.

5.0(140)
Highly Rated

138 reviewers award a perfect 5.0-star rating, though one detailed review documents repeated system failures…

940 Bethlehem Rd, Knightdale, NC 27545
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Air System Services

4.2(40)

Three five-star reviews emphasize long-term reliability, fair pricing, and persistent diagnostic skills, with…

2849 Smithfield Rd, Knightdale, NC 27545
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Greenergy Air

4.7(26)
24/7

Five of six positive reviewers mention fast same-day or next-day response times, with three specifically…

5321 Fox Pointe Dr, Knightdale, NC 27545
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Supreme Services Heating & Cooling

5.0(8)

Six of eight reviewers award 5 stars, with multiple clients noting years of continued partnership. Four…

404 Meadow Run, Knightdale, NC 27545
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C&L Unlimited Services LLC

0.0
1201 Clematis St, Knightdale, NC 27545
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AC Repair Costs in Knightdale

Typical repair costs for Knightdale 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 Knightdale, NC: What to Expect

Knightdale sits in the Raleigh metropolitan area where summers push temperatures above 90 degrees for roughly 54 days, combining high humidity with heavy cooling loads. Piedmont winters also demand meaningful heating performance when temperatures drop to near 30 degrees. This dual demand creates year-round reliance on HVAC systems, generating steady need for professional AC Repair in Knightdale. Five licensed contractors serve the area, collectively earning an impressive average rating of 4.8 across more than 3,700 customer reviews, with three offering around-the-clock availability.

Service costs follow predictable ranges tied to specific procedures. A standard diagnostic or service call runs between $75 and $200, while refrigerant recharge using R-410A ranges from $150 to $700. Capacitor replacement, a common repair for older units, costs between $120 and $450. North Carolina law requires all heating and cooling contractors to hold proper state licensure through the examining board, ensuring technicians working on these systems possess verified training and competence.

Customer feedback points to distinct strengths among top-rated firms. Reliable Heating & Air earns consistent praise for technical knowledge and honest recommendations, with reviewers noting technicians took time to explain system operation without pressure. Quality Comfort Services maintains all five-star ratings across 556 reviews, suggesting reliable execution across installations and service calls. Weather Master Heating & Air draws positive mentions for diagnostic skill, with customers specifically naming technicians George and Daniel who explained options thoroughly and answered questions with patience.

Frequently Asked Questions

AC repair in Knightdale 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.