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Best HVAC / Furnace
Repair & AC Repair in

Why These HVAC Professionals?

Our goal is to connect people with the best local experts. We scored Nashua HVAC Professionals on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

Reviewed Curated Top Picks 29 21 9

Our Selection Criteria:

  • 1. Reputation

    A history of delighted customers and outstanding service.

  • 2. Credibility

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Experience

    Masters of their craft, based on years of practical experience and education.

  • 4. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Absolute Mechanical Systems

Absolute Mechanical Systems is a full-service custom HVAC company serving New Hampshire and Massachusetts. This company provides top of the line heating services and installs furnaces, such as warm air furnaces, radiant heating systems, boilers and gas and oil-fired hybrid systems, among others. The cooling services that this contractor handles include air conditioning, ductless systems, air purifiers, dehumidifiers, air cleaners, and energy recovery ventilation, to name a few. Absolute Mechanical Systems is committed to providing its customers with an unprecedented level of service at affordable prices. Absolute Mechanical Systems has been known as a leading and trusted HVAC contractor plus is a Better Business Bureau accredited company.

Brookline, NH 03033


Air Design Services, Inc.

Air Design Services, Inc. is a top-notch residential cooling and heating contractor located in the city of Nashua NH, serving that city along with the rest of Southern and Northern New Hampshire. Homeowners can enjoy the premier services offered by this company for home components such as cooling, heating, generator service and indoor air quality. This business also provides light commercial HVAC services. These technicians are dependable and skilled. They cater to the HVAC needs of their customers, whether to service their cooling or heating systems or to install a new one immediately. Air Design Services, Inc. has over 40 years of experience in the industry, guaranteeing high-quality workmanship, affordable rates, and excellent customer service.

D & R Plumbing, Heating & Air Conditioning

D & R Plumbing, Heating & Air Conditioning is a full-service residential and commercial plumbing, and HVAC contractor located in Hudson City and also serving the central and southern New Hampshire areas. This company takes pride in the quality work that they deliver, particularly for new construction, kitchen and bath remodeling, water heater, steam boiler, and boiler replacement services that they provide to their homeowner customers, among others. The commercial services offered by this company include remodeling, new construction, gas piping, heating systems such as hydro air, radiant-heated sidewalks and entryways, hot oil-fired systems and more. D & R Plumbing, Heating & Air Conditioning's reputation for their outstanding commitment to their customers continues today, and as an A-rated Better Business Bureau accredited company, they are considered a top choice in their location and beyond.

Homeworks Heating and Air Conditioning

Homeworks Heating and Air Conditioning is a full-service, licensed and insured HVAC contractor serving Brookline, NH, and other communities in Massachusetts and New Hampshire. They specialize in HVAC servicing for residential and light commercial customers. The goal of Homeworks Heating and Air Conditioning is to provide their customers with efficient and up-to-date HVAC equipment and systems that keep them safe, healthy and comfortable and to help them save money on energy costs. Customers choose this company because of their trained professionals, custom installations, full-time CSR and their eagerness to please. Homeworks Heating and Air Conditioning has been in business for 15 years, proof of their high quality, trusted service.

Brookline, NH 03033


Joyce Cooling & Heating, Inc.

Joyce Cooling & Heating is a full-service HVAC company serving Nashua, NH, the counties nearby and the areas in Northern Massachusetts. This company provides heating, cooling, and preventative maintenance solutions to ensure the comfort, health, and safety of customers in their homes, offices or businesses. Customers have been pleased with the fast and efficient service provided by Joyce Cooling & Heating, along with the free-estimate the company provides. This contractor also offers a "Service Contract Program", otherwise known as its preventative maintenance program, where members can be assured that their equipment will perform at its best along with discounted and priority service. Joyce Cooling & Heating has obtained an A+ Rating from the Better Business Bureau, guaranteeing that it is a trusted and high-quality company.

Milford Plumbing & Heating, LLC

Milford Plumbing & Heating, LLC is a complete plumbing, heating, and remodeling contractor serving Milford, NH and the nearby communities. As a fully-licensed company, this contractor handles residential and commercial projects from start to finish. The team of skilled and certified technicians at Milford Plumbing & Heating, LLC are prompt and professional at all times, treating their customers' homes as their own homes. The plumbing services offered by this contractor include those for new home constructions, bathroom and kitchen remodels, water heater replacements, and faucet/pipe repair, among others. Customers can call this company as well for heating services such as boiler replacements, baseboard heating systems installation and repairs, and gas and LP piping installations. With over 35 years of experience in the industry, Milford Plumbing & Heating has a respected reputation for quality work, excellent customer service, and affordable pricing.

Temperature By Design, LLC

Temperature by Design, LLC is a full-service residential, commercial and industrial HVAC solutions company serving the New England area from Southern New Hampshire to Boston North in Massachusetts. In addition to being a restaurant refrigeration expert, they also tackle the heating and air conditioning needs of their home, office and business owner-customers. Temperature By Design, LLC is manned by a team of highly skilled and licensed contractors and technicians that take on designing, construction and engineering tasks for the HVAC needs of their clients. Temperature By Design guarantees 100% satisfaction for their customers, delivering high-quality workmanship and exceptional customer service.

Hudson, NH 03051


Walley's Heating & Air Conditioning

Walley's Heating & Air Conditioning is a full-service HVAC contractor serving Nashua, NH and the counties nearby. This company believes in delivering high-quality services to its residential and commercial clients at low costs and with real value. Walley's Heating & Air Conditioning provides top-notch equipment and services to homeowners, small business owners, builders, contractors and property managers. This company handles air conditioning repair, installation, and replacement plus servicing of boilers, furnaces, hot water tanks and air handlers, oil to gas conversions or post-repair inspections. No job is too big nor too small. Customers can watch out for the seasonal specials offered by Walley's Heating & Air Conditioning, a company with a trusted and dependable name.

Nashua, NH 03062


Wetherbee Plumbing & Heating

Wetherbee Plumbing & Heating is a team of professional HVAC maintenance and repair technicians serving Milford, New Hampshire and the surrounding area. Founder and owner Jim Wetherbee established the business over forty-five years ago. Their services include plumbing, heating, air conditioning, as well as repair and installation for water heaters, water wells, septic systems, sewers, irrigation systems, and drains. They offer 24/7 emergency services when needed, with a retail store that is open to the public for customers who want to purchase parts on their own. Energy Star and Smart thermostats are also available to reduce heating costs and promote housing sustainability.

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