18 HVAC Service Contractors in Dover, NH

3.7 avg rating
2,833 total reviews2 offer 24/7 service
Need emergency service? 2 HVAC providers in Dover offer 24/7 availability

Top-Rated HVAC Service 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

Mr. Electric of Southeast NH

4.9(391 reviews)
24/7 Highly Rated

391 reviews yield a 4.9-star average, with Sarah mentioned by name in multiple positive accounts for her diagnostic clarity and calming presence. Reviewers…

155A Portland Ave, Dover, NH 03820
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#3

My Handyman of Dover, Portsmouth and Rochester

4.6(304 reviews)

Across five detailed client reviews, three awarded five stars citing same-day service, thorough education, and professionalism, while one four-star review…

130 Central Ave LL3, Dover, NH 03820
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All HVAC Service Contractors (18 total)

High Ground Service Pros - Plumbers Electricians & HVAC Technicians

4.9(140)
24/7 Highly Rated

Same-day emergency response appears repeatedly across reviews, with Nick and Zachery specifically praised for…

418 Dover Point Rd Unit 3, Dover, NH 03820
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Pro HVAC LLC

4.7(90)

Four of five detailed reviews praise professional conduct and technical skill, while one single-star review…

32 Crosby Rd, Dover, NH 03820
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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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Ace Handyman Services Seacoast

4.8(38)

Six reviewers specifically named Michael or Martin and described positive experiences with their technical…

42 Dover Point Rd Ste N1, 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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Air Source

4.2(5)

One of five reviewers recommends Air Source specifically for ductwork installation, describing the team as…

38 Crosby Rd STE 3, Dover, NH 03820

Downeast Energy

1.8(29)

One of three detailed reviews awards 5 stars specifically praising technician Vinny Bober for same-day…

63 4th St, Dover, NH 03820
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RTH Mechanical Contractors

0.0
17 Production Dr, Dover, NH 03820

Linscott Electric, LLC

0.0
2 Evergreen Valley Dr, Dover, NH 03820
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Trusted Maintenance Solutions LLC

0.0
2 Washington St suite 214, Dover, NH 03820

HVAC Service Costs in Dover

General HVAC service pricing across maintenance, repair, and installation in Dover.

ServiceLowAverageHigh
Service call / diagnostic
$81$130$216
Routine tune-up (single system)
$76$135$216
Standard repair (avg)
$162$648$1,296
Major repair (compressor, heat exchanger)
$1,620$2,700$3,780
New system installation (mid-range)
$7,020$11,340$15,120
Full HVAC replacement
AC + furnace combined
$12,517$14,504$15,228

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

HVAC Service in Dover, NH: What to Expect

Southern New Hampshire faces a long heating season from October through April, with overnight lows dropping into the 20s across Dover and the surrounding Seacoast area. This demanding winter creates steady demand for heating system maintenance, emergency repairs, and new equipment installations. Twenty-eight HVAC contractors serve the area, collectively earning an average rating of 4.0 stars from nearly 5,000 customer reviews. Homeowners across Dover rely on professional HVAC Service in Dover to stay warm through the cold months.

Pricing in Dover reflects the scope of work and system condition. A standard service call and diagnostic runs $81 to $216, while a routine tune-up for a single system costs $76 to $216. Standard repairs average between $162 and $1,296 depending on parts and labor. All HVAC contractors in New Hampshire must hold a valid license from the OPLC Board of Mechanical Safety, Class A for unlimited work, Class B for residential systems, or Class C for limited service and repairs, ensuring baseline qualifications before any technician enters a home.

Customers consistently highlight fast response times and clear communication as defining traits. Sarah at Mr. Electric of Southeast NH earns particular praise for diagnostic clarity and her calming presence during repairs, with reviewers noting same-day service availability. Emergency response capability surfaces across multiple positive accounts for East Coast HVAC and EC Electric, where five-star ratings dominate and clients appreciate knowing help arrives quickly when systems fail. My Handyman of Dover, Portsmouth and Rochester receives recognition for thorough education and professionalism, with several reviewers noting same-day service and appreciating technicians who take time to explain system operation and maintenance needs.

Frequently Asked Questions

HVAC service pricing in Dover ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.