6 AC Repair Contractors in Nottingham, MD

4.0 avg rating
1,156 total reviews1 offer 24/7 service

Top-Rated AC Repair Contractors in Nottingham

#1

Comfort Systems, Inc.

5.0(710 reviews)
Highly Rated

All 710 reviews carry 5-star ratings. Four reviewer accounts specifically mention same-day or prompt emergency response, with technicians arriving within hours…

9544 Belair Rd, Nottingham, MD 21236
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#2

Wes Plumbing & Mechanical

5.0(320 reviews)
Highly Rated

Of 320 accumulated ratings achieving the 5-star threshold, single-review feedback indicates strong satisfaction with diagnostic skill offset by concerns around…

8612 Saxon Cir, Nottingham, MD 21236
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#3

Hamilton Plumbing, Heating & Air Conditioning

4.7(103 reviews)

All four featured reviewers awarded 5-star ratings, with three explicitly praising technician Vernon Frost for same-day arrival, multi-trade capability, and…

8607 Belair Rd, Nottingham, MD 21236
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All AC Repair Contractors (6 total)

KMT Mechanical llc (HVAC)

4.8(13)
24/7

Across 13 five-star reviews, emergency responsiveness emerges as a recurring theme, with customers citing…

4415 Necker Ave, Nottingham, MD 21236
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Apex Cooling & Heating

4.6(10)

Five of ten reviewers award five stars, with recurring mentions of same-day service during heat waves and…

9659 Belair Rd, Nottingham, MD 21236
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KTC Heating & Air Conditioning

0.0
4627 Ridge Rd, Nottingham, MD 21236
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AC Repair Costs in Nottingham

Typical repair costs for Nottingham 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 Nottingham, MD: What to Expect

Nottingham sits just outside Baltimore where summer temperatures climb into the upper 80s and the humidity off Chesapeake Bay loads extra strain onto cooling systems. When winter arrives, temperatures averaging 27 F push heating equipment hard, creating year-round demand for skilled AC repair in Nottingham. The six contractors serving this area maintain a solid 4.0 average rating across more than a thousand reviews, reflecting practical experience with both extremes.

When systems fail, repair costs follow predictable ranges. A diagnostic or service call typically runs $75 to $200, while specific repairs like refrigerant recharge using R-410A reach $150 to $700 and capacitor replacement runs $120 to $450. All Maryland HVAC contractors must hold a Master HVACR License from the state labor board, verifying they meet recognized training and safety standards before working on residential systems.

Customer feedback points to clear patterns among top-reviewed companies. Comfort Systems, Inc. holds all 710 reviews at five stars, with multiple customers noting technicians arrived within hours of their call for same-day urgency. Hamilton Plumbing's technician Vernon Frost draws explicit praise across three reviews for same-day response, handling multiple trades in a single visit, and waiving diagnostic fees after recent service. These details signal what distinguishes trusted providers in this market.

Frequently Asked Questions

AC repair in Nottingham 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.