HVAC Services in Portsmouth, NH

7 HVAC contractors found

HVAC Service
AC Repair
HVAC Repair
AC Installation
HVAC Maintenance
Commercial HVAC
Emergency HVAC
AC Replacement

MCP HVAC

5.0(273)
Highly Rated

All 273 reviews carry 5-star ratings, with multiple reviewers specifically naming technicians Chris,…

3601 Lafayette Rd, Portsmouth, NH 03801
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Pettigrew Plumbing & HVAC

4.9(899)
Highly Rated

Every reviewer awarded a 5-star rating, with 899 total reviews establishing strong market presence. Three of…

7 Mirona Rd, Portsmouth, NH 03801
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Heritage Home Service

4.9(71)
24/7

Seventy-one reviewers collectively awarded Heritage Home Service a 4.9-star average, with every sampled…

28 Deer St ste 201, Portsmouth, NH 03801
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Ferguson HVAC

4.6(5)

One reviewer awarded a perfect 5-star rating and described the service as very nice. With only one detailed…

115 Heritage Ave Suite B, Portsmouth, NH 03801
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Capstone Mechanical

3.7(6)
24/7

Three published reviews split between five-star approval and one-star dissatisfaction. Lucio Pizzini praised…

755 Banfield Rd, Portsmouth, NH 03801
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CPH Mechanical Inc.

3.0(1)

Customer sentiment data remains extremely limited with only one review on record, and that review does not…

235 West Rd UNIT 8, Portsmouth, NH 03801
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CMC Mechanical Services LLC

0.0
24/7
345 Heritage Ave, Portsmouth, NH 03801
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HVAC Service Costs in Portsmouth, NH

Pricing ranges across all HVAC services offered in Portsmouth.

ServiceTypical RangePrice Points
AC Repair$83$3,080
AC Installation$168$22,400
AC Replacement$2,352$17,920
HVAC Maintenance$15$8247 items →
HVAC Repair$83$3,850
HVAC Service$76$15,2286 items →
Emergency HVAC$165$3,850
Commercial HVAC$2$88,000

Prices reflect continental metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.

HVAC in Portsmouth, NH: What Homeowners Should Know

Portsmouth residents face a demanding climate cycle that keeps local hvac companies Portsmouth busy year-round. Winters bring snow and temperatures dropping to 20 F, while summers spike into the low 80s with high humidity. The heating season stretches from October well into April, creating sustained demand for furnaces and related systems. Come summer, air conditioning becomes essential as muggy conditions drive residents to cool their homes. With nine active contractors serving the metro area and an average rating of 3.8 across more than a thousand consumer reviews, Portsmouth homeowners have solid options when searching for reliable hvac Portsmouth services. The best hvac Portsmouth providers distinguish themselves through response time, technical skill, and transparent pricing during these seasonal peaks.

Pricing within the local market reflects the scope of work required, ranging from minor repairs priced near $2 to complete system replacements exceeding $88,000. In New Hampshire, contractors must hold proper licensure through the Office of Professional Licensure and Certification, with Class A licenses enabling unlimited commercial work, Class B covering residential projects, and Class C restricted to service-level tasks. Each classification carries experience thresholds, typically ranging from two to six years in the field before a contractor can qualify for higher-tier licenses. Homeowners should verify current licensing status with the state board before permitting begins, as local permitting requirements enforce these standards at the municipal level.

_customer feedback reveals clear patterns among the area's highest-rated performers. MCP HVAC maintains a perfect 5.0 rating across 273 reviews, with clients repeatedly mentioning technicians Chris, Octavian, Molly, and Brendon for their professional conduct and thorough explanations. Pettigrew Plumbing & HVAC similarly earns strong trust, achieving a 4.9 average with nearly 900 reviews where technicians Steve, Trevor, and Tice receive direct recognition for quality work. Heritage Home Service rounds out the top tier with a 4.9 rating from seventy-one reviewers, all awarding perfect scores while highlighting consistent communication and problem-solving approach. These detailed mentions suggest that personalized service and technician accountability drive satisfaction more than brand recognition alone.

Frequently Asked Questions

Among 7 HVAC contractors serving Portsmouth, the top-rated providers average 3.7★ across 1,255 reviews. The highest-ranked companies on this page are sorted by a combination of rating and review volume, so established contractors with consistent quality appear first. Check reviews, licensing, and response time to pick the right fit for your situation.