10 Best HVAC Companies in East Haddam, CT

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Last Updated: February 25, 2025

On average, American homeowners devote 55% of their home energy usage to heating and cooling, according to the U.S. Department of Energy. With so much money spent on heating and cooling your East Haddam home, you want to ensure that you're getting the best return on your investment.

Our list of the top HVAC companies in East Haddam can help you save money by getting your HVAC system repaired, installed or replaced for a fair price by a skilled worker.

Top 10 Best HVAC Companies in East Haddam

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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

Free quotes

Prompt service delivery

Reliable customer support

Clear pricing policy

Services Offered

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

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

Clear pricing policy

Free quotes

Reliable customer support

Prompt service delivery

Informative resources

Services Offered

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

M&R Mechanical Services

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

Free quotes

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

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

Duncklee Cooling & Heating Inc

Duncklee Cooling & Heating Inc Logo

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

Clear pricing policy

Informative resources

Prompt service delivery

Free quotes

Reliable customer support

Services Offered

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

Dynamic Mechanical

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

Clear pricing policy

Free quotes

Informative resources

Services Offered

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

Stafford Mechanical Services Inc.

Stafford Mechanical Services Inc. Logo

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

Reliable customer support

Prompt service delivery

Clear pricing policy

Services Offered

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

Aire Serv of Shelton

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

Free quotes

Prompt service delivery

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

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

Link Mechanical Services, Inc.

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

Free quotes

Prompt service delivery

Informative resources

Clear pricing policy

Services Offered

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

Degree Heating and Cooling

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

Free quotes

Reliable customer support

Clear pricing policy

Prompt service delivery

Services Offered

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

Onofreo Home Comfort Systems LLC

Onofreo Home Comfort Systems LLC Logo

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

Reliable customer support

Clear pricing policy

Prompt service delivery

Free quotes

Services Offered

Filtration
Ac installation
Ductless
Inspection
Maintenance
Ac repair
Ventilation
Indoor air quality
Furnace installation
Boiler installation
Emergency services
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 is malfunctioning or getting old, you might need an HVAC contractor for maintenance or replacement. Watch for these common indicators that your system requires expert attention:

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

Arrange an inspection if you notice any of these problems. A local technician can evaluate your system, detect problems, and figure out whether you need repairs or a new HVAC unit.

Cost of HVAC Installation and Maintenance in East Haddam

The cost of HVAC installation or maintenance varies depending on the type of unit you have. Common types of HVAC units include the following:

  • Split or mini-split: If your home doesn’t have the ductwork for central air or heating, you likely have a split or mini-split system instead. Split HVAC systems have internal units in each room to manage temperature. These connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system performs similarly to a standard split system, but has the capacity to draw on either electricity or gas for power.
  • Heat pump: Heat pumps circulate hot and cool air between your home and outside. They don't make their own heat or AC, so they work best in moderate climates.
  • Packaged heating and air: Packaged HVAC systems are a good choice for smaller homes. These systems have a single heating and cooling unit, normally located in a basement or attic. They're space-saving, cost-effective, and easy to maintain.

HVAC maintenance prices vary depending on what services are needed. HVAC systems are complicated and may require different kinds of maintenance. Fees for common services are as follows:

HVAC Unit TypeCost
Split$1,871-$4,769
Hybrid Split$3,791-$6,984
Heat Pump$2,935-$29,908
Packaged Heating and Air$246-$409

Ways to Save Money on HVAC Costs

It's important to repair or replace your HVAC system when it's broken, but it can also be expensive. Luckily, there are some steps you can take to reduce wear and tear on your system.

  • Change filters regularly. Air flows through your HVAC system most effectively when you replace or clean the filters every 30–90 days. Also avoid letting debris pile up on the outside areas of your HVAC.
  • Change the position of your blinds seasonally. Leaving your blinds open during the winter helps warm your home with passive solar heating. Closing the blinds during the summer helps prevent the heat from getting inside. Doing both helps decrease the demand on your HVAC.
  • Keep your system clean. Keeping your ductwork, indoor evaporator coil, grills, and condenser fan blades clean enables your HVAC system to function effectively and lowers your risk of mold. The National Air Duct Cleaners Association recommends cleaning your HVAC when you notice it starting to get dirty.
  • Monitor for potential problems. Keep an eye on your system for issues, for example by routinely checking your thermostat and energy bills. This allows you to address issues before they get out of hand.
ServiceCost
Filter Replacement$61-$164
Condensor Cleaning$1,228-$3,684
Thermostat Repair$82-$205
Ductwork Cleaning$393-$982

How To Choose a Local HVAC Company

Knowing what to look for in an HVAC company is crucial for a successful project. Partnering with an experienced, licensed contractor can offer you peace of mind and make sure your system provides reliable air conditioning and heating for your home.

Compare Multiple Bids

Request estimates from at least three HVAC providers. Describe your issues and ask if technicians can inspect your system in person. Compare each company's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid contractors that pressure you or demand payment before work.

Check Credentials

It's important to choose an HVAC company that employs technicians with the proper 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, an individual must pass an exam (the type of exam depends on the kind of equipment they intend 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 by the state.

All individuals in Connecticut who work on HVAC systems 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. Also check a company's reviews and complaints on sites such as the Better Business Bureau (BBB), Yelp, and Google Reviews. Pick a company with glowing feedback and good customer testimonials.

Understand Work Details

Make sure you know the details of your project before it begins. When getting HVAC repairs, have your provider detail which parts need replacement and why. Get confirmation that your technician will clean and test the entire system after the repair to ensure that everything works. For replacement, ask your contractor to explain the new HVAC system energy efficiency, model, brand, features, and estimated installation time. Before work begins, you should understand how your provider will size the system appropriately for your home and the price you'll pay.

Compare Warranties

Reputable HVAC companies back their services with warranties. Look at 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 HVAC estimates 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 East Haddam, CT

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

The best times of the year to have an HVAC inspection are during the spring and fall. Technicians tend to be 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, which is when it normally sees the most use.

You can save energy throughout the year by making it easier for your HVAC system to maintain the temperature of your home. During all seasons, keep your thermostat as close to the outside temperature as is comfortable, and avoid making drastic changes — adjust it only a few degrees at a time. You may also consider purchasing a smart thermostat.

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

For a 2,000-square-foot home, try to purchase a furnace that's between 50,000 and 80,000 BTUs (British thermal units).

For a 2,000-square-foot home, you'll also want to purchase an air conditioning unit with around 2.5 to 5 tons of capacity. Typically, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.

Your HVAC company might provide financing options through a third-party lender, or you may be able 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're choosing the best option for you.

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

  • Make sure your air ducts remain clean, and change or clean your air filters on a regular basis.
  • Schedule regular inspections to take care of problems as they come up.
  • Keep your attic well-ventilated and make sure all doors and windows are well-sealed.
  • 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 you can.
  • When replacing part of your system, explore Energy Star-certified or other environmentally friendly options.

Other East Haddam, CT Home Services

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