8 HVAC Repair Contractors in Dover, NH
Top-Rated HVAC Repair Contractors in Dover
East Coast HVAC & EC Electric
“Five-star ratings dominate the review corpus, with all sampled reviewers awarding perfect scores. Emergency response capability appears prominently across…”
High Ground Service Pros - Plumbers Electricians & HVAC Technicians
“Same-day emergency response appears repeatedly across reviews, with Nick and Zachery specifically praised for diagnostic skill, clear communication, and honest…”
All HVAC Repair Contractors (8 total)
Martel Plumbing, Heating & Air Conditioning Inc
“Fifty-six reviewers awarded Martel a 4.7 average rating, with every detailed review awarding five stars.…”
D.F. Richard Energy
“83 reviews yield a 3.7-star average, with negative feedback centering on pricing transparency and service…”
Next Level Heating and Cooling LLC
“All 22 reviewers awarded 5 stars, with Cody named across every mention as the technician delivering…”
Split Solution HVAC
“All 8 reviews award 5 stars, with customers specifically praising the team's reliability, transparent…”
HVAC Repair Costs in Dover
Typical heating and cooling repair costs in Dover, by component.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call | $83 | $132 | $220 |
Thermostat replacement | $165 | $303 | $550 |
Blower motor replacement | $440 | $715 | $1,210 |
Heat exchanger replacement | $1,650 | $2,420 | $3,850 |
Ignitor replacement (gas furnace) | $165 | $275 | $440 |
Control board replacement | $330 | $605 | $990 |
Full system repair (major) Multi-component failure | $550 | $1,320 | $3,300 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Repair in Dover, NH: What to Expect
Dover experiences cold, snowy winters with temperatures dipping into the 20s F, followed by warm, humid summers reaching the low 80s F. This creates a long heating season from October through April and real cooling demand during summer stretches. Eight HVAC contractors serve the Dover area, maintaining an average rating of 4.7 stars across nearly 2,000 customer reviews. Homeowners in this region consistently need reliable HVAC Repair in Dover to handle both demanding winters and sticky summers.
When systems fail, Dover homeowners face specific cost realities. Diagnostic service calls range from $83 to $220, while thermostat replacements cost $165 to $550. Blower motor replacement represents a larger investment at $440 to $1210. These figures reflect the complexity of New Hampshire's licensing requirements, where contractors must hold either a Class A (Unlimited), Class B (Residential), or Class C (Limited/Service) HVAC/R license from the state Office of Professional Licensure and Certification. Proper licensing ensures technicians can safely handle both gas and electrical components in Dover homes.
Review patterns reveal what separates top performers. East Coast HVAC & EC Electric earns consistent five-star ratings, with customers highlighting their emergency response capability. High Ground Service Pros also draws praise for same-day emergency service, with technicians Nick and Zachery noted for diagnostic skill and honest option presentation. Pro HVAC LLC maintains a 4.7 rating with reviewers frequently citing professional conduct and technical expertise, though some note operational inconsistencies. Homeowners in Dover can use these patterns to identify contractors who prioritize clear communication and reliable service.