12 AC Repair Contractors in New Castle, DE

4.5 avg rating
7,552 total reviews5 offer 24/7 service
Need emergency service? 8 HVAC providers in New Castle offer 24/7 availability

Top-Rated AC Repair Contractors in New Castle

#1

F.H. Furr Plumbing, Heating, Air Conditioning & Electrical

4.8(2,168 reviews)
24/7 Highly Rated

Every reviewer awarded 5 stars, with customers consistently praising individual technicians by name. Nick, Kyle, Trevor, Dylan, James, and Mikal all received…

21A Industrial Blvd, New Castle, DE 19720
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#2

Harris Plumbing, Heating, Air & Electrical

4.8(1,893 reviews)
24/7 Highly Rated

Every verified review rates the company 4 or 5 stars, with the majority awarding 5 stars for professionalism and technical skill. Multiple reviewers…

77 McCullough Dr Unit #5, New Castle, DE 19720
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#3

Burns & McBride Home Comfort

4.8(1,581 reviews)
24/7 Highly Rated

Across three detailed reviews, the company earned consistent 5-star ratings except for one instance involving post-installation adjustments that required…

18 Boulden Cir Suite 30, New Castle, DE 19720
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All AC Repair Contractors (12 total)

LIAM Services

5.0(1,027)
24/7 Highly Rated

All five reviewers awarded 5 stars except one, whose complaint centered on improper ductwork installation…

292 Churchmans Rd, New Castle, DE 19720
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Maichle's Heating and Air Conditioning

4.9(657)
24/7 Highly Rated

Every reviewer gave a 5-star rating, with multiple customers specifically mentioning emergency response,…

105 J and M Dr, New Castle, DE 19720
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Family Heating & Cooling

4.1(102)

102 reviews yield a 4.1-star average, with positive feedback centered on responsive technicians like Matt…

11 Hardy Rd, New Castle, DE 19720
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AAA Stan's A/C & Appliance

4.5(37)

Twelve of 37 reviews cite specific technicians, with John appearing most frequently across positive…

144 Dutton Ct, New Castle, DE 19720
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Service Unlimited Inc

4.2(20)

5 of 7 reviews award 5 stars, with specific technician names appearing in multiple positive feedbacks…

19 Southgate Blvd, New Castle, DE 19720
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Seiberlich Trane Energy Services

4.8(13)

All five published reviews award 5 stars, with customers particularly highlighting the helpful staff,…

66 Southgate Blvd, New Castle, DE 19720
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Amstel Mechanical Contractors

4.6(13)

All 13 reviews award 5 stars, with customers consistently praising same-day emergency response, fair pricing,…

1183 S Dupont Hwy, New Castle, DE 19720
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ModernControls

4.0(19)

Of 19 reviews, 8 rate the company 5 stars citing professional technicians, clear communication, and quality…

26 Bellecor Dr, New Castle, DE 19720
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Federal Mechanical Contractors

5.0(9)

All 9 reviewers awarded 5 stars, with customers specifically naming technicians Jean, John, and Kevin. Three…

229 Hillview Ave, New Castle, DE 19720
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JEM Comfort Care

4.7(9)

Five of six reviewers award five stars, with specific praise for same-day service, fair pricing, and…

1697 N Dupont Hwy, New Castle, DE 19720
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National HVAC Services

3.0(4)

One customer awarded a 5-star rating, praising technicians Richard, Dave, Connor, Jake, and Gabe for their…

42 Southgate Blvd # A, New Castle, DE 19720
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AC Repair Costs in New Castle

Typical repair costs for New Castle 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 New Castle, DE: What to Expect

The summer heat in New Castle pushes residents indoors, with temperatures climbing past 90 degrees for roughly 25 days between June and August. The sticky humidity that settles over the Brandywine Valley during these months places real strain on residential cooling systems, making reliable AC repair not just a convenience but a practical necessity for households across northern Delaware. With nine contractors serving the area and an average rating of 4.5 pulled from over 6,600 collective reviews, homeowners in New Castle and the surrounding suburbs have access to a professional network substantial enough to handle peak-season demand. Four of these companies maintain 24-hour availability, acknowledging that cooling failures rarely arrive at convenient times.

Pricing for standard AC repair work in this market reflects the specialized knowledge required to diagnose and resolve issues in systems operating under heavy summer loads. Delaware requires all HVAC contractors to hold a Master HVACR Contractor License from the state Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, ensuring baseline competence across the trade. This regulatory framework provides homeowners assurance that technicians performing repairs meet established professional standards, though individual expertise and diagnostic approach still vary among providers.

Homeowners consistently credit prompt response and clear communication as factors weighing heaviest in their contractor choices, with several highlighting the value of technicians who take time to explain underlying issues rather than simply completing repairs.

Frequently Asked Questions

AC repair in New Castle 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.