The local homeowner guide
Compare 22 heating and cooling contacts in Londonderry and the surrounding area. Find furnace, boiler, AC and heat-pump services, with direct contacts and source links.
Researched September 18, 2026 · Alphabetical within each section · Not ranked
Company websites or linked location profiles identify a Londonderry base. Heating-focused services are marked; confirm before visiting any address.
Heating-focused · Boiler services advertised
Londonderry · location supported by WorkHands profile
Its service menu lists boiler repair and replacement, alongside water heaters and gas piping.
Confirm boiler scope and fuel type: the boiler section’s description discusses water heaters. Cooling and heat-pump services were not verified.
Heating · AC · Boilers · Indoor air quality
39 Rockingham Road, Londonderry · also Hooksett
Offers heating and air-conditioning repairs, installations and maintenance, plus filtration, humidity control and thermostats.
Advertises 24/7 emergency service. Confirm dispatch timing and after-hours rates.
Furnaces · Boilers · AC · Heat pumps
Londonderry service base · street address not published
Advertises furnace installation, boiler service, air-conditioning work, mini-splits and heat-pump service.
Advertises 24/7 emergency calls. Give the equipment model and fuel type when booking.
These companies publish Londonderry coverage. Service pages do not imply an office in town.
Furnaces · Boilers · AC · Heat pumps
45 South River Road, Bedford
Lists Londonderry coverage for heating and cooling services, including ductless systems, boilers, furnaces and oil-tank work.
Advertises 24/7 emergency service. Ask about experience with your existing fuel and system.
Heating · Cooling · Plumbing
Hooksett-based · Londonderry service page
Publishes heating, air-conditioning and plumbing services specifically for Londonderry homes and businesses.
Advertises 24/7 emergency requests. Confirm which technician can attend your address.
Furnaces · Boilers · Cooling · Mini-splits
71 Birch Street, Suite C, Derry
Offers heating and cooling work, including furnaces, boilers and mini-splits, with Londonderry in its service area.
Advertises 24/7 emergency service. The company identifies its roots in Derry Plumbing & Heating; counted once here.
Heating · Cooling · Ventilation
Southern NH service area · lists Londonderry
Offers HVAC installation, maintenance and repairs, plus humidity control, filtration and ventilation.
Ask for a written scope covering equipment, permits and commissioning. Emergency repair is advertised; confirm hours.
Boilers · Furnaces · AC · Mini-splits
22 Danville Road, Plaistow
Lists Londonderry coverage for heating and cooling, routine maintenance and oil-tank services.
Advertises 24/7 emergency service. Ask whether your job is repair, replacement or fuel-system work.
AC · Boilers · Furnaces · Heat pumps
Manchester-based · lists Londonderry
Offers heating and cooling repair, installation and maintenance, including ductless systems and indoor air quality.
Advertises 24/7 emergency service. Confirm equipment coverage and service-plan terms.
AC · Furnaces · Heat pumps
28 Wilcombs Way, Chester
Lists Londonderry among its service towns for air-conditioning and heating repairs and installations.
Advertises 24-hour emergency service. Confirm the diagnostic fee and arrival window.
HVAC repairs · Furnaces · Ventilation
60 Rogers Street, Unit 13, Manchester
Its Londonderry page describes HVAC repair and installation, furnace work, thermostats, air purifiers and duct cleaning.
Clarify whether the quote addresses equipment performance, ductwork or indoor air quality.
Furnaces · Boilers · AC · Heat pumps
7 Bellemore Drive, #1, Bedford
Offers heating, cooling and ductless systems and lists Londonderry in its service area.
Its current contact information is in Bedford. Weekend emergency service is described as members-only; ask about eligibility.
Oil & gas heating · AC · Mini-splits
25B Pelican Circle, Derry
Serves Londonderry with oil and gas boilers, furnaces, oil-burner service, air conditioning and mini-split heat pumps.
Ask about your fuel type and maintenance needs. Around-the-clock dispatch was not verified.
Furnaces · Boilers · AC · Heat pumps
Auburn / regional provider · Londonderry service page
Publishes heating and cooling services for Londonderry, including boilers, furnaces and ductless systems.
Advertises 24-hour live answering. Confirm actual technician availability and emergency charges.
Heating · AC · Repairs & replacement
111 Franklin Street Extension, Derry · also Nashua
The Londonderry service page covers furnace and air-conditioning repairs, installation and maintenance.
Ask about after-hours eligibility and membership terms. Its current published offices are outside Londonderry.
Heating · AC · Heat pumps
Regional New Hampshire provider
Dedicated Londonderry pages describe heating and air-conditioning service, including heat pumps.
A town-specific service page is not a local office. Confirm equipment coverage, scheduling and diagnostic charges.
Heating · Cooling · Ductless systems
195 Lincoln Street, Manchester · regional service network
Publishes Londonderry HVAC repair, installation and maintenance services for furnaces, central AC and ductless systems.
Ask whether service requires a fuel account or maintenance agreement, and which after-hours terms apply.
Additional regional options for boilers, furnaces and related heating work. Cooling services were not verified.
Heating-focused · Boilers · Radiant heat
Southern NH & Seacoast · lists Londonderry
Lists boiler installation and repair, radiant-floor heating and furnace services, along with plumbing.
Advertises 24/7 emergency response. Cooling-specific services were not verified in the reviewed menu; ask directly.
Heating-focused · Oil boilers & furnaces
Greater Nashua / Southern NH · lists Londonderry
Advertises oil-boiler and furnace repair and annual maintenance, alongside plumbing services.
Cooling services were not verified. Describe your fuel and equipment before booking.
Additional local leads with incomplete or conflicting current information. Call to confirm operations, service scope and coverage before relying on these listings.
Heating / oil-tank contact · Confirm service scope
1 Chestnut Hill Drive, Londonderry · manufacturer listing
Roth’s dealer directory supplies a Londonderry, NH address and phone for Hughes Mechanical.
A current company service menu was not found. Confirm operations, oil-tank work and any heating or cooling services before booking. The source title mistakenly says MA; its address says NH.
Ductless heating & cooling · Mini-splits
Londonderry / Manchester directory listings
Local directories identify PalmTree Air as a ductless heating and air-conditioning business.
Listings disagree about its current base. Confirm current location, operations and Londonderry coverage directly; the primary website could not be verified.
Heating · Cooling · Mechanical services to confirm
86 Nashua Road, #1279, Londonderry · published contact address
The company’s temporary website provides a Londonderry contact address; directories describe heating and cooling work.
The website reports technical difficulties and has no current service menu. Other directories show Manchester. Confirm current base, residential work and service availability.
Have the model, approximate age, fuel type and symptoms ready. Ask whether the technician services your brand, what diagnosis costs and whether that fee is credited toward repairs.
Ask how the system is sized for your home, its cold-weather heating capacity and how backup heat will work. Compare room coverage, outdoor-unit placement, electrical work and maintenance access.
Specify oil, propane or natural gas, and whether heat uses ducts or hot-water piping. Ask who handles venting, fuel lines, controls and removal of old equipment.
Several companies above advertise emergency service. Ask for actual dispatch availability, the after-hours charge and any membership or fuel-account requirement. Ethical Home Pro describes weekend emergency help as members-only; Heritage advertises 24-hour live answering. An online request is not a confirmed appointment.
Request equipment model numbers, labor, electrical or duct changes, permits, disposal, startup testing, warranty registration and exclusions in writing. Ask who services the system afterward and what labor the warranty covers.
Check NHSaves’ current heat-pump programs before signing. Confirm your utility, eligible equipment, application deadlines and any preapproval; an advertised rebate is not guaranteed for every home.
Use Londonderry’s permit guidance to establish which gas, mechanical, plumbing or electrical permits apply and who arranges inspections.
Ask for current insurance and credentials appropriate to the actual work, including fuel-gas, plumbing or electrical work where relevant. Check NH’s verification instructions; a directory listing does not verify a license.
Reviewed September 18, 2026 using company websites, published service areas, manufacturer listings and local directories. Sources appear beside each contact. We distinguish local bases, regional service coverage, heating-focused businesses and leads needing confirmation.
We have not called companies, verified individual licenses or insurance, inspected work, or confirmed appointment availability. This is a broad researched directory, not an endorsement or a guarantee that every operator has been found. Advertised services and emergency terms can change.
Current company addresses take precedence over older directories. American Home Services and Derry Plumbing & Heating are counted once; businesses sharing a trade category are not assumed to offer the same services.