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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 hvac professionals on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best hvac professionals in Hartford, CT.

Reviewed Curated Top Picks 48 36 20

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.

cover image of A-1 Services, Inc.  hvac/1.jpg

A-1 Services, Inc.

A-1 Services, Inc. is a team of licensed heating and cooling experts dedicated to quality, integrity, and customer satisfaction. The company offers an extensive range of service for residential, industrial, and light commercial customers, including expert A/C, furnace, and boiler repairs, custom sheet metal fabrication, and regular maintenance and tune-ups to ensure peak performance and comfort. The company also installs new heating and cooling systems as well as air quality control products like humidifiers, UV lights, carbon monoxide detectors, and high-tech thermostats.

Meriden, CT 06451


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Absolute Mechanical Systems, LLC

The friendly, professional technicians and staff at Absolute Mechanical Systems, LLC take pride in being an area leader in professional HVAC sales, service, and repairs. When customers want to invest in a new, energy-efficient air conditioner, furnace, or water heater, the company's technicians provide personalized service every step of the way, from the initial design consultation to the final installation. The company also has financing options for qualifying customers and provides prompt emergency response 24 hours a day for any heating and cooling emergency.

Plantsville, CT 06479


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American Heating Service LLC

American Heating Service LLC is the company to call for superior service, competitive rates, and a friendly, professional staff of HVAC experts. The company is an area leader in residential and commercial air conditioner, furnace, boiler, and water heater repairs and maintenance, and sells only the best brands to ensure maximum year-round performance and efficiency. Additional services include oil-to-gas conversions, efficiency testing, system inspections, and custom installations, and the technicians have the training and experience to handle jobs of any size, no matter the brand, make, or model.

Waterbury, CT 06708


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Bosse Heating & Air Conditioning LLC

Bosse Heating & Air Conditioning LLC provides more than 50 years of combined HVAC experience to customers throughout the Southington area. The company's home heating and cooling specialists are ready to service any brand of air conditioner, furnace, boiler, and water heater, including oil, natural, gas, and electrical models. When customers need repairs, tune-ups, or conversions, the technicians have the skills and tools to get the job done right the first time. The company also has a range of air quality control systems to remove harmful allergens and pollutants.

Plantsville, CT 06479


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Charter Oak Mechanical

Charter Oak Mechanical has earned a reputation for being the area leader in honest, reliable, and affordable service. The company specializes in residential, commercial, and industrial heating, cooling, and ventilation repairs, as well as maintenance, tune-ups, sales, and installations. Every member of the staff is dedicated to ensuring 100% satisfaction with every job, from rooftop A/C repairs to state-of-the-art thermostat and environmental control system installations. Customers can call the company to schedule service and get more information about services, pricing, and financing options.

Manchester, CT 06040


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Chris's HVACR

Chris's HVACR was founded in 1970 and has grown to be one of the most trusted providers of professional home and business services. The company's technicians have the training and experience to handle jobs of any size, including expert commercial ice machine repairs, home conditioner installations, and oil and gas furnace tune-ups and repairs. The company's experts also specialize in designing and installing custom-built residential wine coolers, perfect for local wine lovers who enjoy an extra touch of luxury in their home cellar.

Bristol, CT 06010


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Cromwell Energy, Inc

Cromwell Energy, Inc was founded in 1984 and has grown to become the area's premier HVAC and fuel delivery company. The company's technicians specialize in home heating and cooling repairs, replacements, and maintenance, and strive to ensure 100% satisfaction on every job, no matter how large or complex. The company sells a range of Cromwell and American Standard air conditioners, furnaces, heating systems, and water heaters, all expertly installed for years of reliable performance. Additional services include fuel oil delivery and home oil-to-gas conversions.

Cromwell, CT 06416


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D & D Heating & Air Conditioning

D & D Heating & Air Conditioning has been the premier HVAC company in the Enfield area for more than 45 years. The company specializes in commercial and residential heating and cooling sales, installations, maintenance, and repairs, and has a team of certified professional technicians ready to handle jobs of any size. The company is an industry leader in energy-efficient technologies and has an extensive range of new systems designed to any home or business needs, including geothermal systems that provide up to 70% savings on monthly energy bills.

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Degree Heating & Cooling

Degree Heating & Cooling has been proudly locally owned for overt 20 years and every member of the team is dedicated to being a leader is superior service and reliability. Customers can enjoy fast, professional repairs and maintenance with no pressure to purchase unnecessary services or parts, and financing is available for qualifying customers. The company carries only the best brands to ensure every new air conditioner and heating system provides years of reliable performance and offers 24-hour response for any after-hours repair emergency.

Glastonbury, CT 06033


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Douglas Mechanical Services of Connecticut

Douglas Mechanical Services of Connecticut is a trusted name in home and business air conditioning, heating, and refrigeration service. The company's certified technicians stay up-to-date on codes and regulations to ensure superior results on every job, from emergency A/C repairs and tune-ups to new construction system installations. The staff has the skills and experience to service any make and model of commercial and residential cooling, heating, refrigeration, and ventilation systems, and offer tips and tricks to help customers keep their systems in peak condition.

Berlin, CT 06037


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Dynamic Mechanical Plumbing Heating & Air Conditioning

Dynamic Mechanical Plumbing Heating & Air Conditioning is a full-service HVAC company with a staff of friendly, experienced technicians dedicated to complete customer satisfaction. The company is an area leader in expert commercial and residential A/C repairs, maintenance, and installations, as well as specialty services for industrial server and clean rooms. The company also has a residential loyalty program that provides savings and priority scheduling on home heating and cooling maintenance and tune-ups. Additional services include commercial and residential plumbing repairs and replacements.

Plainville, CT 06062


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East Hartford Heating and Cooling

East Hartford Heating and Cooling offers an extensive selection of service for any residential and light commercial needs. The company has been serving customers since 1995 and provides the finest in sales, installations, and repairs on all kinds of cooling and heating systems. Available services include home and business A/C repairs, oil tank replacements, custom ductwork, and chimney liner installations. Customers can also choose from a range of service plans designed to keep heating and cooling systems in excellent condition through every season.

East Hartford, CT 06108


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Energy Unlimited, LLC

Energy Unlimited, LLC is a family-owned heating and cooling company with a professional and experienced staff and a full menu of services for any homeowner's needs. Every member of the staff believes customers deserve to be comfortable year-round and take pride in providing complete satisfaction on every job, from A/C repairs and boiler tune-ups to furnace replacements and oil-to-gas conversions. The company also offers oil tank removal and installations, duct and dryer vent cleaning, and 24-7 emergency response, always as competitive rates.

Bolton, CT 06043


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Glastonbury Mechanical Co.

Glastonbury Mechanical Co. is a professional sales, service, and repair company for all kinds of home and business heating and cooling systems. When customers need to upgrade or replace an old, inefficient air conditioner, furnace, or boiler, the company has the right brands at competitive prices including specialized systems for server and clean rooms. Glastonbury is an approved contractor for EnergizeCT, which offers many rebates and loans for home improvements starting at .99%. Glastonbury Mechanical Co. has been locally owned and operated for over 28 years.

Glastonbury, CT 06033


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Labbe Heating And Cooling

Labbe Heating And Cooling is the place to call for fast, professional HVAC services at competitive rates. The company has an extensive selection of services to choose from, including home air conditioner, furnace, and water heater repairs, as well ass regular maintenance to keep systems in top condition every day of the year. The company also has a range of new, energy-efficient systems designed to fit any needs and budget, and a selection of air quality systems like steam humidifiers and UV treatment systems for maximum indoor comfort.

Watertown, CT 06795


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Nutmeg Mechanical Services

Nutmeg Mechanical Services is a team of heating and cooling specialists with years of industry experience and a commitment to superior service and satisfaction. The company sells and installs systems for any commercial or residential needs, including geothermal systems, high-efficiency rooftop air conditioners, and residential A/C units, furnaces, and water heaters. The company also provides expert repair and maintenance services at competitive rates and has a range of indoor air quality systems designed to keep homes and businesses clean and comfortable every day of the year.

Manchester, CT 06042


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Pelletier Mechanical Services, LLC

Pelletier Mechanical Services, LLC is an area leader in prompt, professional heating, cooling, and plumbing service. The company serves residential, commercial, and industrial customers with an extensive selection of expert services, including 24-hour emergency A/C, furnace, and plumbing repairs. The company's designers have the skills and experience to create the perfectly customized HVAC system for any needs and budget, and maintenance programs are available to keep systems in top repair for year-round comfort. Customers can call the company to get price quotes and schedule service.

Thomaston, CT 06787


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Rich Carlson Heating & Cooling LLC

Rich Carlson Heating & Cooling LLC is a Torrington company that delivers superior quality, honest pricing, and a commitment to integrity, efficiency, and customer service. The company's technicians are on-call 24 hours a day to handle any home or light commercial air conditioner, boiler, or furnace repairs, and never try to pressure customers into purchasing unnecessary parts or service. The company also sells and installs new systems from top brands, all designed to provide superior performance efficiency no matter the weather or season.

Torrington, CT 06790


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Ugo DiGrazia Heating and Cooling

Ugo DiGrazia Heating and Cooling has been a trusted member of the Hartford community for years and offers two generations of HVAC experience backed by a commitment to excellence on every job. Whether customers need expert repairs, regular maintenance, or a new system installed, the company's technicians have the skills and experience to provide the perfect solutions. The company sells the latest in energy-efficient air conditioners, furnaces, and water heaters, and offers financing to help make quality home comfort affordable on any budget.

Hartford, CT 06114


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Valley Air Conditioning and Heating, Inc.

The technicians and staff at Valley Air Conditioning and Heating, Inc. are proud to be a trusted name in residential and light commercial HVAC services. From A/C repairs and furnace inspections to filter replacements and oil leaks, the company's experts have years of experience in providing the highest level of service. Customers can purchase regularly scheduled maintenance plans to keep heating and cooling systems in top condition and help prevent future repair and replacement costs, and financing is available for qualifying customers.

Simsbury, CT 06070


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