5 HVAC Repair Contractors in Plaistow, NH
Top-Rated HVAC Repair Contractors in Plaistow
Big Al's Services
“Every reviewer awarded five stars, with nine verified customers highlighting same-day emergency response, clear communication about repair options, and…”
Riverside Plumbing & Heating LLC
“All eight reviewers awarded 5-star ratings, with four specifically describing same-day or rapid-arrival response times ranging from 20 to 30 minutes.…”
All HVAC Repair Contractors (5 total)
C&S Oil Burner HVACR Services
“All thirty-six client reviews award five stars, with recurring themes spanning diagnostic accuracy, fair…”
HVAC Repair Costs in Plaistow
Typical heating and cooling repair costs in Plaistow, 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 Plaistow, NH: What to Expect
Plaistow experiences distinct seasonal challenges that create ongoing demand for HVAC Repair in Plaistow. Southern New Hampshire winters drop to around 20 F with significant snowfall, while summers reach 82 F with high humidity. The heating season extends from October through April, making reliable system maintenance essential for local homeowners. Five licensed contractors serve this area, maintaining an impressive average rating of 4.5 based on over 1,150 customer reviews, with two offering around-the-clock emergency availability.
When systems fail, Plaistow homeowners can expect to pay between $83 and $220 for a diagnostic service call. Thermostat replacements range from $165 to $550, while blower motor replacements, the most expensive common repair, cost between $440 and $1,210. All HVAC contractors in New Hampshire must hold a valid HVAC/R Contractor License from the Office of Professional Licensure and Certification, ranging from Class A (unlimited) to Class B (residential) credentials, ensuring baseline professional standards.
Customer feedback reveals strong service patterns among top-rated contractors. Big Al's Services earns consistent praise for same-day emergency response, transparent communication about repair options, and competitive pricing compared to other quotes. Riverside Plumbing & Heating LLC is noted for rapid arrivals within 20 to 30 minutes, with technician Adam frequently mentioned by name. Advanced Plumbing & HVAC receives recognition for emergency same-day and Saturday service availability, with multiple reviewers highlighting fair pricing alongside technical expertise.