10 Best HVAC Companies in Clinton, 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. You want to be comfortable in your Clinton home, but you also don't want to be wasting your money on ineffective heating and cooling.

Browse our guide to the top HVAC companies in Clinton to find the right one for you and your home. Our topic contractors can help you stay comfortable while reducing your bills.

Top 10 Best HVAC Companies in Clinton

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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

Prompt service delivery

Clear pricing policy

Reliable customer support

Free quotes

Informative resources

Services Offered

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

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

Free quotes

Clear pricing policy

Prompt service delivery

Informative resources

Reliable customer support

Services Offered

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

M&R Mechanical Services

M&R Mechanical Services Logo

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User Rating

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

Free quotes

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

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

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

Prompt service delivery

Free quotes

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

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

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

Clear pricing policy

Free quotes

Informative resources

Services Offered

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

Duncklee Cooling & Heating Inc

Duncklee Cooling & Heating Inc Logo

Our Rating

User Rating

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

Reliable customer support

Clear pricing policy

Informative resources

Prompt service delivery

Free quotes

Services Offered

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

Clear pricing policy

Prompt service delivery

Free quotes

Informative resources

Services Offered

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

Free quotes

Prompt service delivery

Clear pricing policy

Reliable customer support

Services Offered

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

Reliable customer support

Prompt service delivery

Free quotes

Clear pricing policy

Services Offered

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

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

Reliable customer support

Clear pricing policy

Free quotes

Services Offered

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

A malfunctioning or aging HVAC system probably needs professional attention from a technician who can make repairs or install a new unit. Look out for these common signs that your HVAC needs service:

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

If you notice any of the above, have a local HVAC technician inspect your system. They can diagnose problems and recommend whether repair or full HVAC replacement is the better solution.

Cost of HVAC Installation and Maintenance in Clinton

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

  • Split or mini-split: If your home's ductwork isn’t suited for a central HVAC system, you probably have a split or mini-split system. Split systems have indoor units in each room to control temperature; these indoor units all connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system works almost the same as a standard split system. It has the advantage of being able to utilize either electricity or gas for power.
  • Heat pump: Heat pumps work by moving warm and cool air between your home and the outdoors. These systems don't generate heat or air conditioning themselves, and are more suited to more moderate climates.
  • Packaged heating and air: Packaged HVAC systems are more popular in smaller homes. These systems consist of a single heating and cooling unit that's usually located in a basement or attic. This unit tends to be compact, efficient, and easy to maintain.

HVAC maintenance costs differ depending on what services are needed. HVAC systems are complicated and can require different kinds of maintenance. Costs for some common services are as follows:

HVAC Unit TypeCost
Split$1,868-$4,762
Hybrid Split$3,785-$6,974
Heat Pump$2,931-$29,865
Packaged Heating and Air$245-$409

Ways to Save Money on HVAC Costs

It’s important to take care of HVAC repairs and replacements when they are required, though they can be expensive. The good news is that homeowners have ways to reduce gradual wear and tear and reduce the frequency of breakdowns.

  • Monitor for potential problems. Monitoring your system for problems — for example, by checking your thermostat and energy bills routinely — helps you get ahead of problems before they get too expensive.
  • Change filters regularly. Replacing or cleaning your air filters every 1–3 months helps air flow efficiently through your system. You should also try to keep debris away from the external sections of your HVAC system as much as possible.
  • Keep your system clean. Cleaning your ductwork, grills, indoor evaporator coil, and condenser fan blades regularly helps your HVAC system work efficiently and lowers the risk of mold growth. The National Air Duct Cleaners Association recommends cleaning your HVAC system when it begins to look dirty.
  • Change the position of your blinds seasonally. Leaving your blinds open during the winter allows passive solar heating to warm your home. Closing the blinds during the summer helps prevent some heat from getting inside. Doing both helps reduce the strain on your HVAC system.
ServiceCost
Filter Replacement$61-$164
Condensor Cleaning$1,226-$3,679
Thermostat Repair$82-$204
Ductwork Cleaning$392-$981

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 coolig and heating year-round.

Compare Multiple Bids

Contact at least three HVAC companies for quotes. Describe the issues and have technicians visit to inspect your system if possible. Compare the contractors' explanations, solutions, estimated costs, timeframes, and warranties. Avoid providers that pressure you or demand payment upfront.

Check Credentials

When selecting an HVAC company, choose one with technicians that have the proper training, licenses, and experience. HVAC contractors in all states must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for all contractors who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." Contractors must pass an exam (the type of exam depends on the type of equipment they intend to work with) to be certified by the EPA. 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 for education and work experience. Reviewing feedback on Yelp, Google Reviews, the Better Business Bureau (BBB), and similar sites can assist your decision as well. Choose a provider with stellar reviews and reports of positive customer experiences.

Understand Work Details

Always make sure you understand what a company’s process is like. When HVAC repairs are needed, ask your provider to explain which parts require replacement and why. Confirm that your technician will clean and test your system at the end of the job to guarantee proper operation. When replacing your HVAC, request that the installation company describe the new brand, model, estimated installation time, features, and energy efficiency. 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

Good HVAC companies offer warranties on repairs and equipment installations. The more complete the coverage, the better. Compare warranty details between providers and pick the one that offers the best protection within your budget.

Get Quote in Writing

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

Frequently Asked Questions About HVAC in Clinton, CT

Typically, you should have your HVAC system inspected twice a year. After an inspection, your technician will tell you what services are required. You should also call a technician if you start to notice any issues, like unusual smells, leaks, 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, which makes it easier to get an appointment. This also helps get your system ready for the summer and winter, the times of the year when it sees the most use.

You can save energy throughout the year by reducing the amount of power your HVAC system uses to maintain the temperature of your home. Always keep your thermostat as close to the outside temperature as you can, and avoid making drastic changes — adjust it only a few degrees at once. You could also consider purchasing a smart thermostat.

It takes around one to three days to have an HVAC system installed or replaced. If you need just an air conditioning unit or a furnace, this can 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 new issues your technician discovers.

For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. If your home is larger than 1,000 square feet, central air will usually 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).

Normally, HVAC financing is through a third-party lender. If your HVAC company doesn't offer financing, you may consider taking out a loan on your own. Be sure to speak with your HVAC company and a financial advisor to find out what options are available to you and appropriate for your situation.

Other Clinton, CT Home Services

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