11 HVAC Maintenance Contractors in Derry, NH
Top-Rated HVAC Maintenance 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 Maintenance Contractors (11 total)
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…”
Cal's Air Conditioning & Heating
“All four published reviews award five stars, with three clients specifically mentioning urgent same-day…”
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,…”
Audette Mechanical
“All three reviewers award five stars, with two clients specifically naming Mike as the technician delivering…”
HVAC Maintenance Costs in Derry
Routine tune-up and maintenance plan pricing for Derry homeowners.
| Service | Low | Average | High |
|---|---|---|---|
Single AC tune-up | $72 | $129 | $206 |
Single furnace tune-up | $82 | $139 | $227 |
Full HVAC inspection | $155 | $283 | $412 |
Annual maintenance plan Includes 2 visits/year + discounts on repairs | $124 | $247 | $371 |
Premium maintenance plan Priority service + free diagnostics | $206 | $361 | $515 |
Duct cleaning (full home) | $309 | $489 | $824 |
Filter replacement (per filter) | $15 | $36 | $77 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Maintenance in Derry, NH: What to Expect
Southern New Hampshire delivers a heating-dominated climate that stretches from October through April, with winter lows near 20 F followed by warm, humid summers that push readings into the 80s. This dual demand creates year-round reliance on mechanical systems that require professional attention. Derry residents draw from a market of eleven contractors maintaining a collective rating of 4.0 across more than thirteen hundred verified reviews, making HVAC Maintenance in Derry an essential service rather than a seasonal afterthought.
For homeowners planning preventive service, a single AC tune-up runs $72-$206 while a furnace tune-up costs $82-$227, with comprehensive inspections spanning $155-$412 depending on system complexity and the specific contractor selected. New Hampshire does not require a statewide HVAC license, though reputable contractors typically hold an HVAC/R Contractor License from the state Board of Mechanical Safety, with residential specialists common in the Derry market. These price points reflect variables including system age, labor requirements, and whether additional repairs surface during the inspection.
Several contractors distinguish themselves through customer feedback. Daigle Plumbing, Heating & Cooling carries a 4.8 average across 942 five-star reviews, with clients repeatedly mentioning technicians Mike, Justin, and Jason for their reliability. Derry Plumbing & Heating matches that rating, and reviewers frequently cite same-day emergency response. Precision Heating & Gas Services holds a 5.0 rating, with technician Derek cited by name in multiple reviews describing rapid turnaround. Across these highlighted firms, customers note transparent communication and technicians who take time to explain options before proceeding with work.