HVAC Companies Connecticut

Best HVAC Companies in Connecticut

Get 3 FREE HVAC Contractor quotes for your project today! Compare profiles, reviews, accreditations, portfolio, etc... and choose the best service.

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  • Hi-TECH Mechanical Services llc
    5
    143 Vanderbilt Ave, West Hartford, 06117, US

    Welcome to our family owned West Hartford based HVAC company! We are delighted to introduce ourselves and share with you our passion for providing top-notch heating, ventilation, and air conditioning services to our community. With years of experience in the industry, our team of skilled technicians has the expertise and knowledge to handle all your HVAC needs. As a family-owned business, we understand the importance of delivering quality workmanship and building long-lasting relationships with our customers. We take pride in our commitment to excellence and strive to exceed your expectations with every service we provide. Thank you for choosing our family to take care of your family's comfort. Hours Monday – Friday 8am – 5pm

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  • M & S Mechanical, LLC
    Naugatuck, CT 06770, M & S Mechanical, LLC, 06770, US

    M & S Mechanical, LLC is a family-owned HVAC company serving the Naugatuck, CT area for over 50 years combined experience. We are committed to providing top-notch service and ensuring your comfort no matter the weather. Whether you need a new air conditioning unit, maintenance checks on your heating system, or any other HVAC service, our team of professionals is here to help. We offer free estimates and discounts for military members and veterans. We understand that your HVAC system is essential to your home or business, and we take pride in providing reliable and efficient solutions. From AC replacements and heating system replacements to new construction HVAC services and ductwork services, we handle it all. Contact us today to learn more about our services and how we can keep you cool and comfortable all year round.

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  • JP DUNN HEATING & COOLING, LLC
    4.9
    Litchfield County, Torrington, and the Northwest corner of Connecticut, CT, US

    J.P. Dunn Heating & Cooling LLC is a family-owned and operated HVAC business with over 20 years of experience. Our goal is to provide honest, professional, and high-quality service to ensure the comfort of our customers. We offer a range of services, including installation, repair, and maintenance for residential and light commercial buildings. We are fully qualified, licensed, and approved, and offer full warranties. We also offer financing options through Synchrony Bank and Energize CT. Our team of experienced and certified technicians can help you keep your heating and cooling systems in peak operating condition.

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  • Hands On Heating Inc.
    4.9
    97 W. Avenue, Ste. 2, Stratford, 06615, US

    When It Comes to Heating, We Have the Upper Hand. We Offer Preventative Maintenance, Cleaning, Oil-to-Gas Conversion, Overhauls, and Violation Removals for Heating and Cooling Units. Get a Quote. YOUR LOCAL HEATING & COOLING EXPERTS IN CONNECTICUT AND NYC. Don't be left out in the cold this winter! Let Hands on Heating Inc. take care of all your heating needs. We can help you today. State-of-the-art equipment and a well-trained staff allow Hands on Heating to install, repair, and maintain all types of heating systems. For help with heating, call us today at (646) 403-5370. We provide emergency 24-hour service and repair to oil and gas heating systems, violation corrections, boiler cleaning, boiler-related plumbing, tune-ups, and overhauls. Call us today for help. Don't let HVAC concerns keep frustrating you; call us today for help.

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  • East Hartford Heating & Cooling
    4.3
    Hartford, US

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  • Seaman Mechanical Services Inc
    3.3
    22 Shelter Rock Ln, Danbury, 06810, US

    Seaman Mechanical Services Inc. is a company with over two decades of experience providing heating, air conditioning, and mechanical solutions for businesses of all types. Our team of experienced technicians specializes in diagnosing and repairing all climate control issues, ensuring your business stays comfortable and efficient. We serve a wide range of clients in the commercial, industrial, and institutional markets throughout Connecticut. Whether you need a new air conditioning system, routine maintenance, or help improving your energy efficiency, Seaman Mechanical is here to help. Our technicians are available 24/7 for emergency service, and we offer free estimates. We are committed to providing our clients with the highest quality service and workmanship. Our technicians are licensed and insured, and we are proud to be a trusted partner for businesses in the Connecticut area. Call us today for a free estimate or to learn more about our services.

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  • Sarracco Mechanical Services
    3.5
    Waterbury, US

    Sarracco Mechanical Services is the company most often recommended to design, build, renovate and maintain HVAC, M&E, and Fire Alarm & Security Systems across Connecticut, Massachusetts and New York. Our Divisions Featured Projects Family-Owned & Operated Mechanical Services Company in CT Founded by Tom Sarracco in 1975. Now, over 100 employees strategically headquartered in Waterbury, CT.Sarracco Mechanical Services has demonstrated steady and remarkable growth and consistent financial strength throughout the past 42 years while maintaining a reputation of excellence in the mechanical industry.An extensive portfolio of workmanship and satisfied customers show proof that we continue to deliver on what is promised. We are one of the most trusted mechanical service companies in Connecticut, Massachusetts, and New York because we prioritize quality installation and outstanding workmanship. We guarantee customer satisfaction, making sure that your mechanical work is done right and will last for years to come. Learn More About Sarracco Our Divisions HVAC, Plumbing, Electrical, Sheet Metal, Fabrication, Fire & Security

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  • American Services Group LLC
    4.8
    2 Ann St, Greenwich, 06830, US

    American Services Group LLC is a company dedicated to providing top-notch commercial and residential air duct and dryer vent cleaning services. We prioritize customer satisfaction and strive to deliver exceptional service. Our team is committed to meeting your needs with professionalism and discretion. With a decade of experience serving the Tri-State area, we've built a reputation for excellence in the industry. We're confident in our ability to provide you with the best service possible and look forward to earning your trust. We understand that your time is valuable, so we aim to make the process as hassle-free as possible. Whether you need air duct cleaning to improve indoor air quality or dryer vent cleaning for safety and efficiency, our team is here to help.

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  • ENCON Heating and Air Conditioning
    4.8
    Stratford, CT, 1265 Woodend Road, 06615, US

    ENCON is a leading provider of heating, air conditioning, and energy solutions for commercial and residential clients. With a fleet of 180 service vehicles and 290 employees, we deliver exceptional services and installations across Connecticut, New York, Massachusetts, and Rhode Island. Our commitment to customer satisfaction is unwavering, and we pride ourselves on our professional, reliable, and safe HVAC technicians. We are nationally recognized for our top-tier maintenance services and have a proven history of designing, installing, and maintaining great heating, AC, and energy systems.

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  • Ward Heating and Cooling LLC
    5
    30 Macintosh Drive, Oxford, 06478, US

    Your heating and air conditioning system provides you with comfort throughout the year, as well as helping to regulate the quality of your home’s air. That’s why it is important to have both a reliable system and a reliable HVAC contractor. At Ward Heating and Cooling, we deliver high-quality HVAC services that residents of Oxford, Seymour, Middlebury, Woodbury, Southbury, Monroe, Newtown and the surrounding areas can count on. Why Choose Us? Our technicians are well-trained and knowledgeable. We offer a range of HVAC services at reasonable prices. These services include: Residential AC Repair & Service AC Installation Heat Pump Installation Furnace Repair & Service Furnace Installation Boiler Repair & Service Boiler Installation Oil Tank Repair & Service Oil Tank Installation & Replacement AC Installation & Repair Services Whether you’re in need of a new AC installation or AC repairs, we can help. During our years in the industry, we’ve encountered every situation you can imagine. This experience and our uncompromising work ethic set us apart from our competitors. Heating Installation & Repair Services There are many different heating options out there, so you’ll want to choose your HVAC contractor carefully. Once again, this is where our experience is a huge factor. We can conduct heating installations and heating repairs on any kind of system. We’re honored to be known as one of the top HVAC service companies in and around Oxford, Seymour, Middlebury, Woodbury, Southbury, Monroe and Newtown. In addition to our workmanship, we also pride ourselves on our customer service. Our clients are our number one concern, and we’re committed to building lasting relationships based on trust.

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Frequently Asked Questions About HVAC Companies

Find answers to common questions about HVAC services, finding contractors, and getting the best heating and cooling solutions for your needs.

How can I tell if my furnace filter needs changing?

Here are some signs your furnace filter needs changing (remember to change it every 1-3 months):
  • Reduced Airflow: Noticeably weaker airflow from your vents.
  • Dusty Vents: Dust accumulation around your vents.
  • Increased Dust: More dust than usual in your home.
  • Allergies or Respiratory Issues: Worsening allergy symptoms or respiratory problems.
  • Higher Energy Bills: Your furnace becomes less efficient.
  • Overheating: The system overheats due to restricted airflow.
Check your filter monthly and change it as needed to maintain good indoor air quality and HVAC system efficiency.

What are the most common HVAC problems?

Common HVAC problems include:

  • AC not cooling: Refrigerant leaks, compressor issues, or thermostat problems.
  • Furnace not heating: Pilot light or ignition control issues, blower motor problems, or clogged filters.
  • Uneven temperatures: Ductwork leaks, inadequate insulation, or faulty thermostats.
  • Poor air quality: Dirty air filters, mold growth in ductwork, or inadequate ventilation.
  • Strange noises: Unusual sounds from the system can indicate a variety of problems with different components.
  • High energy bills: Inefficient systems, ductwork leaks, or improper thermostat settings.
If you're experiencing any of these issues, contact a qualified HVAC technician for diagnosis and repair.

What are the benefits of a programmable thermostat?

A programmable thermostat allows you to schedule temperature changes throughout the day, lowering your utility bills when you are not at home. This can significantly reduce your energy costs and improve home comfort.

What should I ask an HVAC technician during a service call?

When an HVAC technician comes for a service visit, ask these important questions:
  • What is the source of the problem? Get a clear explanation of the issue and what caused it.
  • What are my repair options? Discuss different repair solutions, if applicable, and their associated costs.
  • Are there any preventative measures I can take? Find out if there are steps you can take to prevent future problems.
  • Do you recommend a repair or replacement? If repairs are extensive or the system is old, consider replacement.
  • What are the warranties on parts and labor? Understand the warranties before agreeing to any repairs.
  • Do you have any customer reviews or testimonials I can check? Reputable HVAC technicians are often happy to provide references or direct you to customer reviews.
Asking these questions can help you make an informed decision and feel confident in the HVAC technician's expertise and recommendations.

How can I tell if my furnace filter needs changing?

You should change your furnace filter regularly, typically every 1-3 months, or more often if you have pets or allergies. Here are some signs your filter needs changing:
  • Reduced Airflow: Noticeably weaker airflow from your vents.
  • Dusty Vents: Dust accumulation around your vents.
  • Increased Dust: More dust than usual in your home.
  • Allergies or Respiratory Issues: Worsening allergy symptoms or respiratory problems.
  • Higher Energy Bills: A dirty filter restricts airflow, forcing your furnace to work harder.
  • Overheating: The system overheats due to restricted airflow.
Check your filter monthly and change it as needed to maintain good indoor air quality and HVAC system efficiency.

What are the most common HVAC problems?

Common HVAC problems include:

  • AC not cooling: Refrigerant leaks, compressor issues, or thermostat problems.
  • Furnace not heating: Pilot light or ignition control issues, blower motor problems, or clogged filters.
  • Uneven temperatures: Ductwork leaks, inadequate insulation, or faulty thermostats.
  • Poor air quality: Dirty air filters, mold growth in ductwork, or inadequate ventilation.
  • Strange noises: Unusual sounds from the system can indicate a variety of problems with different components.
  • High energy bills: Inefficient systems, ductwork leaks, or improper thermostat settings.
If you're experiencing any of these issues, contact a qualified HVAC technician for diagnosis and repair.

What are the benefits of a programmable thermostat?

A programmable thermostat allows you to set different temperatures throughout the day, reducing energy usage when you are away from home or asleep. This can significantly reduce your energy costs and improve home comfort.

What should I ask an HVAC technician during a service call?

When an HVAC technician comes for a service visit, ask these important questions:
  • What is the source of the problem? Get a clear explanation of the issue and what caused it.
  • What are my repair options? Discuss different repair solutions, if applicable, and their associated costs.
  • Are there any preventative measures I can take? Find out if there are steps you can take to prevent future problems.
  • Do you recommend a repair or replacement? If repairs are extensive or the system is old, consider replacement.
  • What are the warranties on parts and labor? Understand the warranties before agreeing to any repairs.
  • Do you have any customer reviews or testimonials I can check? Reputable HVAC technicians are often happy to provide references or direct you to customer reviews.
Asking these questions can help you make an informed decision and feel confident in the HVAC technician's expertise and recommendations.