2,474 Londonderry, NH HVAC Contractors

What do HVAC contractors do? “HVAC” stands for “heating, ventilation and air conditioning.” An HVAC technician or contractor specializes in heating systems, air duct cleaning and repairs, insulation and air conditioning for your Londonderry, NH home and other homes. More 
Duct Kings (888) 546-4348
Lowell, MA, 01852
17 miles from Londonderry
Duct Kings is a fully licensed and insured HVAC contractor specializing in duct cleaning, duct sealing & HVAC Service/Sales for residential and commercial customers. Our goal is... Read More
Cambridge, MA, 02138
37 miles from Londonderry
Winters Company Plumbing and Heating specializes in plumbing, heating, cooling, carpentry, electrical, and drain cleaning. Read More
Exeter, NH, 03833
24 miles from Londonderry
Key Heating & Air Conditioning, Inc. works hard to provide the best service available at competitive prices. Key offers FREE in-home sales consultations for your convenience... Read More
Brothers Home Services (978) 479-8499
Cambridge, MA, 02138
37 miles from Londonderry
Brothers Home Services is your premier plumbing, heating, and cooling specialist in Greater Boston, the North Shore, and the Merrimack Valley. We proudly provide our customers in... Read More
Obie Comfort Solutions (617) 415-1522
Framingham, MA, 01702
41 miles from Londonderry
Obie Comfort Solutions specializes in installing high quality products, including boilers, furnaces, on demand water heaters and Mitsubishi mini splits. Our services are backed by... Read More
North Reading, MA, 01864
25 miles from Londonderry
ownerCarriere Heating & Air Conditioning is a professional North Reading heating & air company who has been servicing the area since 1967. We offer HVAC technicians that are fully... Read More
ATKINSON, NH, 03811
11 miles from Londonderry
Palmer Gas/Ermer Oil Company is a family-owned business since 1932 and is based in Atkinson NH 03811. We specialize in Propane Gas, Fuel Oil, and Kerosene delivery for... Read More
Merrimack, NH, 03054
8 miles from Londonderry
Service is a specialty at GSMS. Since 1987 we have been providing New Hampshire's residential and commercial communities with heating, cooling, and plumbing installations,... Read More
Fred Fuller Oil Co (603) 889-0407
Hudson, NH, 03051
4 miles from Londonderry
Manchester, 03109
8 miles from Londonderry
LeBlanc Mechanical (617) 719-5572
Waltham, MA, 02451
33 miles from Londonderry
Commercial and residential Heating and air conditioning service and installs Read More
Dorchester, MA, 02122
43 miles from Londonderry
We are your local experts for all things plumbing, heating or cooling, handling service, repair and installation work with a focus on customer satisfaction. Read More
Comfort Technology (781) 762-4328
Braintree, MA, 02184
50 miles from Londonderry
Comfort Technology was started in 2006 in an effort to created an independent source for consumers to create a home that would unite both comfort and conservation. We are... Read More
Medway, MA, 02053
50 miles from Londonderry
Medway Oil & Propane is a full service fuel company that you can trust with your family’s well-being and comfort. We have served the Metrowest MA area for over six decades. As... Read More
Alvin Hollis (781) 335-2100
South Weymouth, MA, 02190
50 miles from Londonderry
Families like yours have been depending on our family since 1871! Service and installation of HVAC and plumbing. Includes: oil and gas systems, oil to gas conversions, Indoor Air... Read More
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When Should You Hire an HVAC Contractor?


Generally, HVAC contractors or HVAC technicians work with or run companies that repair or install heating systems and air conditioning units for homes. But they have specialized services too. For example, if you are a wine collector and you are thinking of installing a wine cellar in your Londonderry, NH home, you might hire a New Hampshire HVAC professional who specializes in refrigeration work. You can find more hvac contractors in Manchester, Lowell, Nashua, Lawrence and Haverhill.

HVAC professionals can use their skills to help you to save money on your Londonderry, NH home’s energy bills by installing radiant barriers in your attic or split-zone heating and cooling systems to heat rooms like solariums while cooling upstairs bedrooms during warmer temperatures.

If you or a family member suffers from allergies, you’ll want to find a New Hampshire HVAC technician who is knowledgeable about the latest cooling and heating products that include antiallergen filters. Contractors who work in the HVAC industry keep up on the latest in heating and air conditioning technology so outdated or troublesome systems can be retrofitted with newer, more energy-efficient models. Some of these professionals may work with your contractor, builder or other home improvement professional to get the job done.

Here are some related professionals and vendors to complement the work of hvac contractors: Specialty Contractors, General Contractors, Solar Energy Contractors, Electrical Contractors.

Ask HVAC contractors about these residential heating and cooling technologies:


  • Tankless hot-water pumps
  • Residential air cleaning devices
  • Ductless air circulation systems
  • A desiccant enhanced evaporative air conditioner system (for hot and humid climates)
  • Heat recovery systems (which cool the air and heat water with no extra energy use)

Find HVAC contractors on Houzz. Look in the Professionals section of our website and search for New Hampshire HVAC contractors. Read reviews and see how an HVAC contractor might approach your Londonderry, NH home’s heating and cooling challenges.
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