13 HVAC Service Contractors in Derry, NH
Top-Rated HVAC Service Contractors in Derry
Daigle Plumbing, Heating & Cooling
“All 942 reviews carry five-star ratings, with numerous reviewers naming specific technicians like Mike, Justin, and Jason as reasons for their satisfaction.…”
Derry Plumbing & Heating
“201 reviews yield a 4.8 average rating, with all sampled reviewers assigning five stars. Three of five detailed reviews explicitly mention emergency same-day…”
All HVAC Service Contractors (13 total)
Cornerstone IAQ Services LLC
“All five-star reviews describe specific work, with customers repeatedly praising the team's thorough approach…”
Cal's Air Conditioning & Heating
“All four published reviews award five stars, with three clients specifically mentioning urgent same-day…”
Kingdom Cooling
“Sixteen reviewers give Kingdom Cooling a 4.6-star average, with all five-star reviews praising the team's…”
CMP Plumbing & Heating - Plumbers In NH
“Eight reviewers awarded five-star ratings, with several specifically praising same-day response times and…”
Hatfield Brothers Mechanical LLC
“Seven of ten reviewers awarded perfect 5-star ratings and specifically named Matt as their technician,…”
Air Pro Hvac
“All nine reviews award 5 stars, with multiple reviewers specifically naming William or Will as the technician…”
Heavenly Heating and Air Conditioning, LLC
“All six reviews award five stars, with Paul named as the technician in three accounts. Positive feedback…”
Audette Mechanical
“All three reviewers award five stars, with two clients specifically naming Mike as the technician delivering…”
HVAC Service Costs in Derry
General HVAC service pricing across maintenance, repair, and installation in Derry.
| Service | Low | Average | High |
|---|---|---|---|
Service call / diagnostic | $81 | $130 | $216 |
Routine tune-up (single system) | $76 | $135 | $216 |
Standard repair (avg) | $162 | $648 | $1,296 |
Major repair (compressor, heat exchanger) | $1,620 | $2,700 | $3,780 |
New system installation (mid-range) | $7,020 | $11,340 | $15,120 |
Full HVAC replacement AC + furnace combined | $12,517 | $14,504 | $15,228 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Service in Derry, NH: What to Expect
Southern New Hampshire delivers a heating season that stretches from October through April, with overnight lows dipping into the 20s and consistent demand for reliable warmth. Humid summers push daytime highs into the 80s, creating real cooling needs for Derry homeowners. With 22 contractors serving the area and an average rating of 4.3 across more than 6,800 customer reviews, HVAC service in Derry functions as an essential year-round investment for home comfort.
Costs in this market follow predictable ranges. A service call runs $81 to $216, while routine maintenance, such as a tune-up for a single system, typically costs $76 to $216. Standard repairs average between $162 and $1,296, depending on what component fails. In New Hampshire, HVAC contractors must hold either a Class A, Class B, or Class C license from the Office of Professional Licensure and Certification, with local permitting governing the specific work allowed in each municipality.
Customer reviews point toward contractors who respond quickly and explain their work clearly. Daigle Plumbing, Heating & Cooling holds a 4.8 rating across 942 reviews, with clients repeatedly mentioning technicians Mike, Justin, and Jason for same-day availability. Derry Plumbing & Heating also carries a 4.8 average, with several reviewers highlighting emergency same-day response. Paul The Plumber earns a 4.7 rating with consistent praise for technical skill and professionalism, though a small number of customers note higher charges for straightforward repairs.