10 Best HVAC Companies in Madison, CT

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Last Updated: February 25, 2025

On average, 55% of energy use in American homes goes toward heating and cooling, according to the U.S. Department of Energy. Since such a significant portion of your utility bill goes toward heating and cooling, you'll want to ensure that the HVAC system in your Madison home is functioning properly.

Our guide to the top HVAC companies in Madison can help you get your system into top shape, allowing you to save money while staying comfortable.

Top 10 Best HVAC Companies in Madison

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Air Specialties Air Conditioning & Heating Inc

Air Specialties Air Conditioning & Heating Inc Logo

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25 Spring St, West Haven, CT 06516 (203) 533-4012 airspecialtiesac.com

Free quotes

Clear pricing policy

Informative resources

Prompt service delivery

Reliable customer support

Services Offered

Ventilation
Ac installation
Filtration
Furnace installation
Inspection
Furnace repair
Ac repair
Boiler repair
Emergency services
Indoor air quality
Ductless
Maintenance
Boiler installation

HARP Home Services - Air Conditioning, Plumbing & Heating

HARP Home Services - Air Conditioning, Plumbing & Heating Logo

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863 Marshall Phelps Rd, Windsor, CT 06095 (860) 935-8995 harpcanhelpyou.com

Reliable customer support

Informative resources

Free quotes

Clear pricing policy

Prompt service delivery

Services Offered

Inspection
Ac repair
Boiler installation
Furnace installation
Boiler repair
Ac installation
Emergency services
Indoor air quality
Furnace repair
Filtration
Ductless
Smart home integration

M&R Mechanical Services

M&R Mechanical Services Logo

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1050 Bridgeport Ave F3, Milford, CT 06460 (203) 951-5207 mandrmechanical.com

Clear pricing policy

Informative resources

Free quotes

Reliable customer support

Services Offered

Ventilation
Ac installation
Ductless
Ac repair
Furnace installation
Indoor air quality
Boiler repair
Furnace repair
Duct cleaning
Boiler installation
Maintenance
Filtration
Emergency services

Aire Serv of Shelton

Aire Serv of Shelton Logo

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User Rating

41 Clifton Ave, Ansonia, CT 06401 (203) 717-9527 aireserv.com

Clear pricing policy

Prompt service delivery

Free quotes

Informative resources

Reliable customer support

Services Offered

Maintenance
Filtration
Furnace repair
Inspection
Boiler installation
Boiler repair
Emergency services
Ac repair
Ac installation
Indoor air quality
Duct cleaning
Furnace installation

Dynamic Mechanical

Dynamic Mechanical Logo

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User Rating

230 S Washington St Unit #26, Plainville, CT 06062 (860) 864-4327 dynamichvac.net

Free quotes

Clear pricing policy

Informative resources

Services Offered

Duct cleaning
Ac repair
Ac installation
Inspection
Ductless
Furnace repair
Boiler repair
Emergency services
Boiler installation
Furnace installation
Indoor air quality
Radiant heating
Maintenance
Ventilation

Duncklee Cooling & Heating Inc

Duncklee Cooling & Heating Inc Logo

Our Rating

User Rating

296 Taugwonk Rd, Stonington, CT 06378 (860) 535-2552 dunckleeinc.com

Informative resources

Prompt service delivery

Clear pricing policy

Free quotes

Reliable customer support

Services Offered

Emergency services
Ac repair
Indoor air quality
Furnace installation
Boiler installation
Ductless
Maintenance
Ventilation
Zoning systems
Ac installation

Link Mechanical Services, Inc.

Link Mechanical Services, Inc. Logo

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User Rating

60 Production Ct, New Britain, CT 06051 (959) 600-6345 justcalllink.com

Prompt service delivery

Free quotes

Informative resources

Clear pricing policy

Services Offered

Filtration
Indoor air quality
Ductless
Maintenance
Furnace installation
Zoning systems
Radiant heating
Boiler repair
Boiler installation
Inspection
Ac repair
Ac installation
Furnace repair

Onofreo Home Comfort Systems LLC

Onofreo Home Comfort Systems LLC Logo

Our Rating

User Rating

280 Quarry Rd, Milford, CT 06460 (203) 793-6811 onofreohomecomfort.com

Prompt service delivery

Clear pricing policy

Free quotes

Reliable customer support

Services Offered

Maintenance
Boiler installation
Ventilation
Ac repair
Ductless
Filtration
Ac installation
Indoor air quality
Furnace installation
Inspection
Emergency services

Degree Heating and Cooling

Degree Heating and Cooling Logo

Our Rating

User Rating

160 Oak St #508, Glastonbury, CT 06033 (860) 266-5957 degreeheatingandcooling.com

Clear pricing policy

Prompt service delivery

Reliable customer support

Free quotes

Services Offered

Emergency services
Furnace repair
Ac repair
Ac installation
Boiler repair
Furnace installation
Indoor air quality
Ductless
Maintenance
Boiler installation
Filtration

JP DUNN HEATING & COOLING, LLC

JP DUNN HEATING & COOLING, LLC Logo

Our Rating

User Rating

701 Northfield Rd, Northfield, CT 06778 (860) 283-1167 jpdunnhvac.com

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Emergency services
Ductless
Furnace repair
Ac repair
Maintenance
Filtration
Ventilation
Boiler repair
Indoor air quality
Boiler installation
Ac installation
Furnace installation
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your home's HVAC system isn't working correctly or getting old, you might need an HVAC contractor for repairs or replacement. Watch for these common signs that your system requires professional attention:

  • Frequent breakdowns and need for repairs
  • Poor air circulation or uneven heating/cooling
  • Refrigerant leaks
  • Strange noises when turning on
  • Corrosion, rust, or cracking
  • Higher than normal energy bills
  • Thermostat malfunctions or temperature control issues
  • An HVAC system that's over 15 years old

Book an inspection if you notice any of these issues. A local technician can inspect your system, detect problems, and decide whether you need repairs or a new HVAC unit.

Cost of HVAC Installation and Maintenance in Madison

HVAC installation or maintenance costs vary depending on your system. Common HVAC unit varieties include the following:

  • Split or mini-split: If your home's ductwork can't accommodate a central HVAC system, you probably have a split or mini-split system. Split systems have indoor units in each room to regulate temperature; these indoor units all connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system functions comparably to a regular split system. It gives flexibility by having the option to use either electricity or gas for energy.
  • Heat pump: Heat pumps transfer warm and cool air between your home and the outside. These systems don't make their own heat or AC, so they work more efficiently in milder climates.
  • Packaged heating and air: Packaged HVAC systems are more popular in smaller houses. They consist of a single combined heating and cooling unit, typically located in a basement or attic. This unit tends to be efficient, compact, and easy to maintain.

The cost of HVAC maintenance also varies depending on the kind of work you're having done. HVAC systems are complicated and might require different kinds of maintenance. The prices of some common jobs are as follows:

HVAC Unit TypeCost
Split$1,930-$4,921
Hybrid Split$3,911-$7,206
Heat Pump$3,029-$30,860
Packaged Heating and Air$253-$422

Ways to Save Money on HVAC Costs

It's important to fix or swap out your HVAC components when they become damaged, but it can also be expensive. Thankfully, there are some steps you can take to slow the wear and tear on your system.

  • Monitor for potential problems. Keeping an eye out for problems, for instance by routinely checking your thermostat and energy bills, helps you resolve them before they get too expensive.
  • Keep your system clean. Regularly cleaning grills, indoor evaporator coil, condenser fan blades, and ductwork helps keep your HVAC system running efficiently and lowers the risk of mold. The National Air Duct Cleaners Association recommends cleaning your HVAC system when it starts to look dirty.
  • Change filters regularly. Changing or cleaning your air filters every 30–90 days helps air flow efficiently through your HVAC system. We also recommend regularly clearing dirt and debris away from the outside areas of your system.
  • Change the position of your blinds seasonally. Opening your blinds in winter allows passive solar heat into your house. Closing your blinds in summer blocks some heat from getting indoors. Both of these measures help lower the work required from your house's HVAC system.
ServiceCost
Filter Replacement$63-$169
Condensor Cleaning$1,267-$3,801
Thermostat Repair$84-$211
Ductwork Cleaning$405-$1,014

How To Choose a Local HVAC Company

Knowing the right things to look for in an HVAC company is key for a smooth repair or installation. Picking an established business with certified technicians gives you assurance your HVAC system will deliver consistent heating and cooling year-round.

Compare Multiple Bids

Contact at least three HVAC providers for quotes. Describe your issues and schedule an in-person inspection if possible. Compare companies' diagnoses, suggested repairs, estimated costs, warranties, and timeframes. Avoid providers that pressure you or demand upfront payment.

Check Credentials

It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. HVAC contractors in all states have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, individuals must pass an exam (the specific exam depends on the kind of equipment they plan to work with). Section 608 certification is required for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." All other licensing requirements are handled at the state level.

All individuals who work on HVAC systems in Connecticut need to be licensed by the Connecticut State Department of Consumer Protection. An individual can be licensed as a journeyperson or a contractor. Both types of licenses have requirements related to education and work experience. You should also check a company's reviews and complaints with organizations such as Google Reviews, Yelp, and the Better Business Bureau (BBB). You want to hire a provider with positive reviews and a history of good customer service.

Understand Work Details

Always make sure you understand the details of any project. When HVAC repairs are required, your provider should detail which parts need replacement and why. Confirm that your technician will clean and test the system after repairs are done to ensure that it’s working properly. When replacing your HVAC, have the provider describe the new estimated installation time, features, model, energy efficiency, and brand. Before work starts, ask about the process your provider will use to properly size the new system for your home and how much it will cost.

Compare Warranties

Reputable HVAC companies stand behind their work with warranties. Compare warranties from different companies, bearing in mind that more comprehensive coverage is better. Look for the company that offers the most coverage for a fair price.

Get Quote in Writing

Always get estimates for HVAC service in writing before work begins. A detailed quote should cover both labor and materials. Make sure you understand all terms before signing a contract.

Frequently Asked Questions About HVAC in Madison, CT

Generally, your HVAC system should be inspected twice a year. After that inspection, your HVAC technician will tell you what, if any, services are needed. You should also call a technician if you notice any new issues, such as leaks, unusual smells, or strange noises. If your home has ductwork, it should be serviced every few years.

The best times to have your HVAC system inspected are during the spring and fall. Technicians tend to be less busy during these times, making it easier to get an appointment. This also ensures that your system is ready for the summer and winter, which is when it normally gets the most use.

You can save energy throughout the year by making it easier for your HVAC system to maintain your home's temperature. Always keep your thermostat as close to the outside temperature as possible, and try to adjust it only a few degrees at a time. You may also consider getting a smart thermostat.

It takes around one to three days to have an HVAC system installed or replaced. If you need just a furnace or a single air conditioning unit, this may take anywhere from a few hours up to two days. This timeline will be influenced by the size of your house, the accessibility of your system, and any issues your technician uncovers.

For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. For a house over 1,000 square feet, central air will generally be more effective for cooling than window units.

For a 2,000-square-foot home, you should also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units).

Your HVAC company might offer financing options through a third-party lender, or you might choose to obtain your own loan. It's a good idea to discuss payment options with a financial advisor and your HVAC company to make sure that you find the best option for you.

There are several ways you can make your HVAC system more energy-efficient:

  • Keep your air ducts clean and change or clean your air filters regularly.
  • Schedule regular inspections to take care of issues as they arise.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you aren't able to purchase one, try keeping your inside temperature as close to the outside temperature as is comfortable.
  • When you need to replace part of your system, see if there are Energy Star-certified or similar environmentally friendly options.

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