10 AC Repair Contractors in Dover, NH

4.7 avg rating
2,066 total reviews1 offer 24/7 service
Need emergency service? 2 HVAC providers in Dover offer 24/7 availability

Top-Rated AC Repair Contractors in Dover

#1

East Coast HVAC & EC Electric

4.9(1,567 reviews)
Highly Rated

Five-star ratings dominate the review corpus, with all sampled reviewers awarding perfect scores. Emergency response capability appears prominently across…

25 Central Ave, Dover, NH 03820
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#2

High Ground Service Pros - Plumbers Electricians & HVAC Technicians

4.9(140 reviews)
24/7 Highly Rated

Same-day emergency response appears repeatedly across reviews, with Nick and Zachery specifically praised for diagnostic skill, clear communication, and honest…

418 Dover Point Rd Unit 3, Dover, NH 03820
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#3

Pro HVAC LLC

4.7(90 reviews)

Four of five detailed reviews praise professional conduct and technical skill, while one single-star review cites operational inconsistencies including missed…

32 Crosby Rd, Dover, NH 03820
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All AC Repair Contractors (10 total)

Hart Plumbing,Heating and air-conditioning

4.3(83)

Four reviewers specifically praise fair pricing and absence of unnecessary upselling, with three highlighting…

165 Industrial Pk Rd, Dover, NH 03820
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Martel Plumbing, Heating & Air Conditioning Inc

4.7(56)

Fifty-six reviewers awarded Martel a 4.7 average rating, with every detailed review awarding five stars.…

59 Old Rochester Rd, Dover, NH 03820
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D.F. Richard Energy

3.7(83)

83 reviews yield a 3.7-star average, with negative feedback centering on pricing transparency and service…

124 Broadway, Dover, NH 03820
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Next Level Heating and Cooling LLC

5.0(22)

All 22 reviewers awarded 5 stars, with Cody named across every mention as the technician delivering…

Dover, NH 03820
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Cochecho Plumbing & Heating

4.7(13)

All 13 reviews award 5 stars, with multiple reviewers specifically praising the technician Kevin for…

Dover, NH 03821
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Split Solution HVAC

5.0(8)

All 8 reviews award 5 stars, with customers specifically praising the team's reliability, transparent…

18 Banner Dr unit 4, Dover, NH 03820
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Brulotte Inc

5.0(4)

All four published reviews award five stars, with each reviewer recommending Brulotte Inc for HVAC services.…

42 Littleworth Rd, Dover, NH 03820
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AC Repair Costs in Dover

Typical repair costs for Dover homeowners, by problem type.

ServiceLowAverageHigh
Diagnostic / service call
Usually credited toward repair
$83$132$220
Refrigerant recharge (R-410A)
$165$385$770
Capacitor replacement
$132$275$495
Fan motor replacement
$275$495$770
Compressor replacement
$880$1,980$3,080
Evaporator coil repair
$440$990$1,650
Labor (hourly rate)
Per hour during business hours
$83$121$165

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

AC Repair in Dover, NH: What to Expect

Dover's climate creates genuine demand for AC repair in Dover. Southern New Hampshire winters drop to 20 F, keeping heating systems busy from October through April, while summer humidity pushes temperatures into the 80s and makes reliable cooling essential. With 12 contractors serving the area and an average rating of 4.7 across nearly 2,500 reviews, homeowners have solid options when their systems struggle under summer heat. One contractor offers round-the-clock availability for emergencies.

Service costs reflect the work required. A typical diagnostic visit runs $83 to $220, while refrigerant recharges using R-410A range from $165 to $770 depending on system size and leak severity. Capacitor replacement, a common summer repair, costs between $132 and $495. All contractors must hold a Class A, B, or C HVAC/R license from the New Hampshire Office of Professional Licensure and Certification, ensuring baseline competency for refrigerant handling and system work.

Review patterns reveal what separates top performers. Nick and Zachery at High Ground Service Pros earn repeated praise for diagnostic accuracy, transparent communication, and presenting honest options rather than pushing unnecessary upgrades. East Coast HVAC & EC Electric stands out for emergency response capability, with multiple reviewers highlighting their availability during system failures. Four of five detailed reviews for Pro HVAC LLC cite professional conduct and technical skill, though one notes inconsistencies with scheduling and quoted pricing.

Frequently Asked Questions

AC repair in Dover typically costs $83-$3,080 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.