Professionals in

Why These HVAC Professionals?

Our goal is to connect people with the best local experts. We scored hvac professionals on more than 25 variables across five categories, and analysed the results to give you a hand-picked list of the best hvac professionals in Danbury, CT.

ReviewedCuratedTop Picks292110

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.

Accurate Mechanical Company

Accurate Mechanical Company is a high-quality heating and air conditioning company, proudly assisting homeowners and businesses in Connecticut. Their group of professionals offers an impressive list of services, including boilers, radiant heating, furnaces, oil-to-gas conversion, geothermal, air conditioning, generators, tank and tankless water heaters, indoor air quality, and commercial HVAC services. With a unique focus on customer satisfaction and education, their business offers free estimates and continually updates a web site blog with helpful, educational materials. Excellent reviews exist for their quick responses, sincere approach, and attention to detail, making Accurate Mechanical Company a premier business choice in their community.

Sandy Hook, CT(203) 550-4053


Argus Air Systems, Inc.

Argus Air Systems, Inc. is a dependable business that has been providing excellent HVAC services in Monroe, CT since 1999. They specialize in providing their customers the perfect indoor comfort. They have professional HVAC technicians who are available for commercial and residential clients. These pros offer heating & air conditioning repair, new construction installation, equipment replacement, and floor heating, to name a few. They offer warranty service, aftermarket sales, and replacement parts to ensure that the equipment and mechanical systems continue to operate efficiently. Argus Air Systems, Inc. guarantees exceptional, customer service, using the highest quality products and unsurpassed product knowledge. They are an accredited company that has received an A+ rating from Better Business Bureau.

Monroe, CT(203) 445-0764


David Sousa Plumbing & Heating Co. LLC

Managed and supervised by David and Elizabeth Sousa, David Sousa Plumbing and Heating Co., LLC delivers prompt and quality residential, commercial, industrial and municipal services to the citizens of Danbury. A versatile craftsman, David is skilled in AC and heating installation and repairs and is a highly trained and experienced plumber who deals with gas piping, ventilation, and roof drains. He and his crew perform excavating, concrete cutting and breaking, and core drilling, using aerial and scissor lifts whenever needed. In the HVAC field, he works with furnaces, heaters and boilers, duct systems, thermostats, humidifiers, and many other appliances. Sousa Plumbing and Heating is recognized for their energy efficient work, is fully licensed, insured, and offers free estimates.

Danbury, CT(203) 778-5890


Eastern Mechanical Services

Eastern Mechanical Services is one of the most respected providers of heating, cooling, and plumbing solutions in Danbury and the rest of Fairfield County. The firm is a licensed trade that has been part of Greater Bridgeport’s building construction, improvement, and maintenance industry since 1985, and it continues to draw wisdom and direction from the founder, a third-generation professional in the area of keeping residential and commercial indoor environments cool in the summer and warm in the winter. The company handles all HVAC makes and models, although it is an authorized Mitsubishi dealer, and it offers some of the region’s best warranties. Eastern Mechanical Services complies with government regulations, and it offers convenient financing terms to help customers start their project right away.

Danbury, CT(203) 792-7668


Indoor Comfort Systems

Located in Bethel, Connecticut, Indoor Comfort Systems is a professional HVAC contractor that serves clients in the wider local metropolitan area. The company has more than thirty-seven years of experience in the industry and has been in operation since its founding in 1979. Fully licensed and insured for clients' safety, Indoor Comfort Systems, provides customers with such services as the installation and repair of electric, oil, and gas furnaces as well as gas and oil piping, sheet metal fabrication, work with air filtration systems, and much more. The company offers numerous brands of equipment and can be contacted by phone or email for appointments.

Bethel, CT(877) 834-3539


Lee Seward Plumbing and Heating, Inc.

In Connecticut and New York, Lee Seward Plumbing and Heating, Inc., has what customers need, when they need it. Specializing in new construction, residential, and commercial services, Lee Seward’s business is licensed in Connecticut, Putnam, and Westchester County, New York. Customers note that Lee Seward Plumbing and Heating offers next-day service and that they are reliable, punctual, and reasonably priced. All types of plumbing repair services are available, and as part of the many other services offered, the company will install gas lanterns and boiler systems on new construction sites for existing offices or residences, and radiant heat systems in flooring on new construction sites.

New Milford, CT(860) 350-4400


New England Air Systems LLC

New England Air Systems is a professional HVAC contractor located in Danbury, Connecticut that serves clients in the wider local metropolitan area. The company is locally owned and operated and has been in the industry for more than twenty-five years. Services offered by New England Air Systems include repair work for central air and heating systems, maintenance checklists, HVAC replacements, real estate inspections, indoor air quality work, and more. Previous clients praise the company for its friendly and personable staff as well as the speed of its response to clients' calls and the high quality of the company's services.

Danbury, CT(203) 798-9375


Riley's Heating & Air Conditioning, LLC

Riley's Heating & Air Conditioning, LLC, based in New Milford, Connecticut, is a licensed and insured HVAC provider that specializes in an array of installation and repair services, including custom duct work, hydro air systems, geothermal systems, residential and commercial lighting, air humidification and purification, and more. Owner Mike Riley pledges qualified and knowledgeable professionals, consistent customer service, on-schedule project completion, quality craftsmanship, and ultimately the client's comfort. Riley's Heating and Air Conditioning offers free estimates, and its agents promise to find the ideal payment plan based on the client's specific requirements, finances, and circumstances.

New Milford, CT(860) 355-3784


TB Mechanical, LLC

TB Mechanical is dedicated to taking care of the heating and air conditioning needs of people throughout New Milford, CT. Having more than two and a half decades of industry experience, the owner-operated company is confident it has the knowledge and expertise to tackle various issues. The team of dependable experts operates with a great focus on customer satisfaction and treats clients in a respectful and professional manner. They offer a wide range of residential and commercial services, including heating and air conditioning systems, chilled water piping, packaged rooftops units, building automation and control, complete sheet metal fabrication and control, ductless split systems and more. All procedures are carried out in a transparent manner and include free estimates. TB Mechanical is fully licensed and insured.

New Milford, CT(860) 799-0429


The Otto Company

The Otto Company is a full service mechanical contracting company specializing in plumbing, heating, air conditioning, and custom ductwork for commercial and industrial customers. They've been serving southwestern Connecticut for over 75 years with a commitment to safety, quality, and performance. Their technicians provide repairs, replacements, preventative maintenance, new installations, and design/build services. Other services include refrigerant conversions, oil to gas conversions, coil cleaning and replacement, energy management, and sheet metal fabrications. They have the training and experience to meet the unique needs of office buildings, medical facilities, hotels, restaurants, schools, and manufacturing facilities. The Otto Company is fully licensed and insured and offers 24/7 emergency service.

Danbury, CT(203) 748-9072


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