Hillsborough County, NH

HVAC Pros in Hillsborough County, NH

Compare verified HVAC providers serving Hillsborough County, NH.

35 providers listedNH SFMO license-verifiedFree quotes
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Quick facts

  • AreaHillsborough County
  • StateNH
  • Providers35
  • Typical ticket$3.5k – $11k

Top local providers

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  1. Joyce Cooling & Heating Inc. storefront photo
    4.9 (5,267 reviews)Serves Hillsborough County
    installationrepairinspectionemergency
    What customers say
    This is the best HVAC Company to deal with in the entire State of NH. My wife and I lost heat the day after…
  2. High Ground Service Pros - Plumbers Electricians & HVAC Technicians storefront photo
    4.9 (2,372 reviews)Serves Hillsborough County
    installationrepairinspectionemergency
    What customers say
    Shawn came out and reviewed our boiler and was extremely honest, and upfront with us. He truly went above and beyond to…
  3. Al Terry Plumbing, Heating & AC storefront photo
    4.8 (1,293 reviews)Serves Hillsborough County
    installationrepairemergency
    What customers say
    Al Terry has been excellent. My 23 year old High Velocity AC Failed, they did some basic repair attempts and quickly…
  4. Wilson Brothers Heating & Air Conditioning, Inc. storefront photo
    4.9 (1,310 reviews)Serves Hillsborough County
    What customers say
    Good to meet Bobby and the Team. They got right down to business. We are so appreciative that they were able to work it…
  5. Daigle Plumbing, Heating & Cooling storefront photo
    4.8 (910 reviews)Serves Hillsborough County
    installationrepairemergency
    What customers say
    I can’t express how great working with Daigle company has been. They came out fast and gave me a very reasonable quote…
  6. Triumph Home Services storefront photo
    5.0 (567 reviews)Serves Hillsborough County
    installationrepairinspectionemergency
    What customers say
    Triumph Homes – Outstanding Service from Start to Finish! I had a leaky boiler and initially got a diagnosis from…
  7. Big Al's Services storefront photo
    5.0 (804 reviews)Serves Hillsborough County
    What customers say
    We're in the middle of a nor'easter with a bomb cyclone and blizzard-like conditions. I wake to find it's 55 in my…
  8. Walley's Heating & Air storefront photo
    4.9 (806 reviews)Serves Hillsborough County
    installationrepairinspectionemergency
    What customers say
    About a week ago, last Saturday, my 27-year-old furnace suddenly failed when the inducer motor malfunctioned—at a time…
  9. A.J. LeBlanc Heating, A/C, Plumbing & Electrical storefront photo
    4.8 (691 reviews)Serves Hillsborough County
    installationrepairinspectionemergency
    What customers say
    We contacted five A/C contractors in May 2025 to get prices for a replacement A/C system and needed a recommendation as…
  10. Ferris Plumbing, Heating & Air storefront photo
    4.9 (349 reviews)Serves Hillsborough County
    installationrepairemergency
    What customers say
    Jonah was great in braving the weather and getting to us to restore the heat and hot water in our house. He was so…
  11. Bill Trombly Plumbing - Heating - Cooling - Electric storefront photo
    4.7 (598 reviews)Serves Hillsborough County
    installationrepairinspectionemergency
    What customers say
    This company is the gold standard of customer service/ care. We were extremely worried when our water heater start…
  12. GSMS Air•Heating•Plumbing storefront photo
    5.0 (223 reviews)Serves Hillsborough County
    installationrepairemergency
    What customers say
    We worked with Granite State Mechanical Services during our kitchen remodel to install a make-up air system for a new…
  13. Ethical Home Pro storefront photo
    5.0 (197 reviews)Serves Hillsborough County
    What customers say
    In a day when we all are far to familiar with paying more and getting less, it is rare to find ANY contractor who…
  14. JMS Plumbing and Heating LLC storefront photo
    5.0 (219 reviews)Serves Hillsborough County
    installationrepairemergency
    What customers say
    Our hot water system unexpectedly failed this week, needing replacement. We called several businesses, trying to find…
  15. Brookside Heating & Cooling storefront photo
    4.9 (172 reviews)Serves Hillsborough County
    What customers say
    I cannot express how grateful I am to the people at Brookside. After a week long trip, I came home at 11:00pm Jan 31st…

Local pricing snapshot

Typical project range$3,500 – $12,500per system install, Hillsborough County

Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Prices vary by system type, efficiency, and whether ductwork modifications are needed.

Cities in this county

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Frequently Asked Questions

  • Do HVAC pros in Hillsborough County charge travel fees?

    Some rural routes include a trip charge. Confirm before scheduling and ask whether it applies to the estimate.

  • Which cities are in Hillsborough County?

    Hillsborough County includes Manchester, Nashua, Merrimack.

  • Are permits required for HVAC work?

    Most New Hampshire jurisdictions require a mechanical permit for equipment swaps. Ask your provider who pulls the permit and how it is priced.

Licensing verified weekly. Reviews refreshed within the last 30 days.

Licensing data: New Hampshire Mechanical Licensing Board — State Fire Marshal's Office (gas fitters only; no statewide HVAC contractor license) — NEEDS-VERIFY · Company data: verified business records + Google Business profile

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