HVAC Services in Derry, NH
15 HVAC contractors found
Precision Heating & Gas Services
“Eighteen of sixty-five reviewers specifically mention emergency same-day or rapid response service. Fifteen…”
Cal's Air Conditioning & Heating
“All four published reviews award five stars, with three clients specifically mentioning urgent same-day…”
Hatfield Brothers Mechanical LLC
“Seven of ten reviewers awarded perfect 5-star ratings and specifically named Matt as their technician,…”
Audette Mechanical
“All three reviewers award five stars, with two clients specifically naming Mike as the technician delivering…”
Cornerstone IAQ Services LLC
“All five-star reviews describe specific work, with customers repeatedly praising the team's thorough approach…”
Dalpe Electric LLC
“All five-star reviewers praised specific technicians by name, with John, Jon, and Josh each mentioned…”
Daigle Plumbing, Heating & Cooling
“All 942 reviews carry five-star ratings, with numerous reviewers naming specific technicians like Mike,…”
Derry Plumbing & Heating
“201 reviews yield a 4.8 average rating, with all sampled reviewers assigning five stars. Three of five…”
D&M Electric
“Thirty-six reviews produce a perfect 5.0 average rating, with every client awarding the highest score. Two…”
Paul The Plumber
“Positive reviews consistently praise technical skill and professionalism, while a single negative review…”
CMP Plumbing & Heating - Plumbers In NH
“Eight reviewers awarded five-star ratings, with several specifically praising same-day response times and…”
Green Collar
“5 of 6 detailed reviews award 1 or 2 stars, citing equipment malfunctions and unhelpful staff interactions as…”
Nusbaum Electric, Inc.
“Five of seven reviewers awarded five stars, with four specifically mentioning technician Ted's same-day…”
HVAC Service Costs in Derry, NH
Pricing ranges across all HVAC services offered in Derry.
| Service | Typical Range | Price Points |
|---|---|---|
| AC Repair | $83–$3,080 | 7 items → |
| AC Installation | $168–$22,400 | 8 items → |
| AC Replacement | $2,352–$17,920 | 5 items → |
| HVAC Maintenance | $15–$824 | 7 items → |
| HVAC Repair | $83–$3,850 | 7 items → |
| HVAC Service | $76–$15,228 | 6 items → |
| Emergency HVAC | $165–$3,850 | 6 items → |
| Commercial HVAC | $2–$88,000 | — |
Prices reflect continental metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.
HVAC in Derry, NH: What Homeowners Should Know
Southern New Hampshire delivers four distinct seasons that keep HVAC systems working year-round. Derry sees winter lows around 20 F with heavy snowfall, followed by humid summers pushing into the 82 F range. The heating season stretches from October through April, creating sustained demand, while summer stretches drive real cooling needs. With 22 hvac companies Derry averaging a 4.3 rating across nearly 6,900 customer reviews, homeowners have solid options when searching for the best hvac Derry has to offer.
Installation costs in the Derry market span from basic thermostat replacements around $2 to complete system installations up to $88,000, reflecting the wide range of equipment sizes and complexity levels. A new boiler or furnace replacement typically lands in the higher end of this range, while simpler repairs occupy the lower figures. Proper licensing matters in New Hampshire, where the OPLC issues three classes of HVAC contractor licenses requiring anywhere from two to six years of field experience before a technician can work independently.
Customer feedback from Derry contractors reveals clear patterns in service quality. Daigle Plumbing, Heating & Cooling maintains a 4.8 average across 942 reviews, with clients repeatedly mentioning specific technicians like Mike, Justin, and Jason. Multiple reviewers note same-day response for emergencies, a factor that appears across several high-performing contractors. Derry Plumbing & Heating also draws frequent praise for rapid emergency same-day response, suggesting speed and reliability figure prominently in what separates the best performing companies from the rest.