5 AC Repair Contractors in Portsmouth, NH
Top-Rated AC Repair Contractors in Portsmouth
Pettigrew Plumbing & HVAC
“Every reviewer awarded a 5-star rating, with 899 total reviews establishing strong market presence. Three of five sampled reviews explicitly name a technician…”
MCP HVAC
“All 273 reviews carry 5-star ratings, with multiple reviewers specifically naming technicians Chris, Octavian, Molly, and Brendon.Positive feedback…”
All AC Repair Contractors (5 total)
AC Repair Costs in Portsmouth
Typical repair costs for Portsmouth homeowners, by problem type.
| Service | Low | Average | High |
|---|---|---|---|
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 Portsmouth, NH: What to Expect
Southern New Hampshire endures cold, snowy winters with temperatures dipping to 20 F, while warm, humid summers climb to 82 F. The heating season stretches from October through April, but humid summer stretches create real demand for AC Repair in Portsmouth. Five contractors serve this area with an average rating of 4.7 across 1,349 collective reviews, and three offer around-the-clock service for urgent breakdowns during peak heat waves.
New Hampshire requires HVAC contractors to hold a Class A, B, or C license from the state Office of Professional Licensure and Certification, Board of Mechanical Safety, ensuring they meet competency standards for installation and repair work. Service calls run $83 to $220, while refrigerant recharges using R-410A cost $165 to $770. Capacitor replacements fetch $132 to $495. These prices reflect the scope of each job, parts required, and the expertise needed to safely handle refrigerants in modern systems.
MCP HVAC boasts a perfect 5.0 rating across 273 reviews, with clients frequently naming technicians Chris, Octavian, Molly, and Brendon for their professional demeanor, clear communication, and reliable service. Pettigrew Plumbing & HVAC earns strong trust at 4.9 from 899 reviews, with Steve, Trevor, and Tice mentioned repeatedly for responsive, thorough work and honest assessments. Heritage Home Service holds a 4.8 average from 71 reviewers, all awarding 5 stars and noting technician expertise and attention to detail during service calls.