10 Best HVAC Companies in Cromwell, CT

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Last Updated: February 25, 2025

On average, Americans devote 55% of their energy usage to heating and cooling their home, according to the U.S. Department of Energy. In Cromwell, you're likely looking to reduce your energy expenses and save money on your bills.

Our list of Cromwell's top HVAC companies can help you get your system into its best shape ever, allowing you to keep comfortable while saving money.

Top 10 Best HVAC Companies in Cromwell

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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

Informative resources

Clear pricing policy

Free quotes

Reliable customer support

Prompt service delivery

Services Offered

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

Informative resources

Prompt service delivery

Reliable customer support

Clear pricing policy

Services Offered

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

M&R Mechanical Services

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

Free quotes

Reliable customer support

Informative resources

Clear pricing policy

Services Offered

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

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

Informative resources

Clear pricing policy

Free quotes

Services Offered

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

Aire Serv of Shelton

Aire Serv of Shelton Logo

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

Informative resources

Prompt service delivery

Reliable customer support

Clear pricing policy

Free quotes

Services Offered

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

Stafford Mechanical Services Inc.

Stafford Mechanical Services Inc. Logo

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User Rating

4 Industrial Park Dr, Stafford Springs, CT 06076 (860) 684-9485 staffordmechanical.com

Prompt service delivery

Reliable customer support

Clear pricing policy

Services Offered

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

Duncklee Cooling & Heating Inc

Duncklee Cooling & Heating Inc Logo

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User Rating

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

Clear pricing policy

Free quotes

Informative resources

Prompt service delivery

Reliable customer support

Services Offered

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

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

Clear pricing policy

Informative resources

Services Offered

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

Degree Heating and Cooling

Degree Heating and Cooling Logo

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User Rating

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

Prompt service delivery

Clear pricing policy

Free quotes

Reliable customer support

Services Offered

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

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

Furnace installation
Furnace repair
Ductless
Filtration
Ac installation
Indoor air quality
Ac repair
Boiler repair
Maintenance
Boiler installation
Emergency services
Ventilation
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 HVAC system is broken or getting old, it likely needs servicing or replacement from an HVAC company. Look for these signs your system needs service:

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

If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can pinpoint problems and let you know whether repair or full HVAC replacement is required.

Cost of HVAC Installation and Maintenance in Cromwell

What you spend on HVAC installation or maintenance depends on your system type. Common HVAC unit styles include the following:

  • Split or mini-split: If your home lacks the right ductwork for central air or heating, you probably have a split HVAC system. Split or mini-split systems consist of indoor units that control the temperature in individual rooms, and that are all connected to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system performs similarly to a standard split system, but is able to utilize either electricity or gas as energy sources.
  • Heat pump: Heat pumps work by transferring hot and cold air between your home and the outdoors. These systems don't create heat or air conditioning themselves, and are better for more moderate climates.
  • Packaged heating and air: Packaged HVAC systems are a great choice for smaller homes. They have a single cooling and heating unit, usually in a basement or attic. This unit is often small, energy-efficient, and easy to maintain.

HVAC expenses vary based on the services needed. HVAC systems are complex and may need several types of maintenance. Prices for common jobs 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

Taking care of necessary HVAC repairs and replacements when needed is important, but can be expensive. Luckily, there are steps you can take to slow the wear and tear on 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 HVAC system.
  • Change filters regularly. Air flows most effectively through your HVAC system when you change out or clean the filters every 1–3 months. Also try not to let debris pile up on the external sections of your HVAC.
  • Monitor for potential problems. Monitoring your system for issues — for example, by checking your thermostat and energy bills routinely — helps you get ahead of problems before they get too expensive.
  • Keep your system clean. Regularly cleaning grills, condenser fan blades, ductwork, and indoor evaporator coil helps your HVAC system run efficiently and reduces the risk of mold. The National Air Duct Cleaners Association recommends cleaning your heating and cooling system when it starts to look dirty.
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 what makes a trustworthy HVAC company is crucial for a successful installation or repair. Hiring an experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.

Compare Multiple Bids

Get quotes from three or more HVAC companies. Explain your issues and ask if technicians can inspect your system in person. Compare each contractor's diagnoses, recommended solutions, estimated cost, timeline, and warranties. Avoid companies that pressure you or demand payment before work.

Check Credentials

When hiring an HVAC company, choose one with technicians that have the proper training, licenses, and experience. In all states, HVAC contractors must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required for all technicians 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 what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled on a state-by-state basis.

All individuals who work on HVAC systems in Connecticut must be licensed by the Connecticut State Department of Consumer Protection. An individual can be licensed as a journeyperson or a contractor. Both license types have requirements related to education and work experience. Reviewing feedback on Yelp, the Better Business Bureau (BBB), Google Reviews, and similar sites can assist your decision as well. Choose a company with great reviews and reports of positive customer experiences.

Understand Work Details

Always make sure you know the details of any project. When HVAC repairs are required, your provider should list which parts need replacement and why. Confirm that your technician will clean and test the system after repairs are completed to verify that it’s working properly. When replacing your HVAC, request that the company explain the new brand, model, energy efficiency, estimated installation time, and features. Before signing a contract, be sure you understand the process your provider will use to size the new HVAC system appropriately for your home and what the price will be.

Compare Warranties

Reliable HVAC companies provide warranties for their work. Broader coverage is better, so make sure to compare warranties between companies. Choose the one that provides the most comprehensive coverage at a reasonable cost.

Get Quote in Writing

Always get HVAC bids in writing before work begins. A thorough quote covers costs for both labor and materials. Ensure that you understand all terms before signing the contract.

Frequently Asked Questions About HVAC in Cromwell, CT

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

The best times to have an HVAC inspection are the spring and fall. Technicians are often less busy during these times, so it will be easier to get an appointment. This also ensures that your system is ready for the summer and winter, when it typically gets the most use.

You can save energy throughout the year by reducing the amount of power your HVAC system uses to maintain your home's temperature. During all seasons, keep your thermostat as close to the outside temperature as possible, and try to adjust it only a few degrees at once. You may also consider getting a smart thermostat.

Generally, whole-system HVAC installation or replacement takes between one and three days. Installing or replacing a furnace or air conditioning unit may take anywhere from a few hours up to two days. The exact amount of time will be based on things like the size of your house, how easily accessible different parts of the system are, and whether your technician runs into any problems.

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

There are a number of ways you can make your HVAC system more energy-efficient:

  • Make sure your air ducts remain clean, and clean or change your air filters on a regular basis.
  • Schedule regular inspections to take care of problems as they come up.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you don't want to or can't buy one, try keeping your inside temperature as close to the outside temperature as is comfortable.
  • When it comes time to replace any part of your system, see if there are Energy Star-certified or similar environmentally friendly options.

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