10 Best HVAC Companies in Granby, CT

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Last Updated: February 25, 2025

According to the U.S. Department of Energy, about 55% of the energy used in American homes is used for heating and cooling. Energy expenses in Granby are often higher than in other places, which means you'd probably like to save money on your bill.

We've researched and assembled this guide to the top HVAC companies in Granby to help you choose the best person for your job and get your system into top shape.

Top 10 Best HVAC Companies in Granby

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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

Informative resources

Clear pricing policy

Prompt service delivery

Reliable customer support

Services Offered

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

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

Clear pricing policy

Prompt service delivery

Reliable customer support

Services Offered

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

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

Informative resources

Reliable customer support

Free quotes

Clear pricing policy

Services Offered

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

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

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

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

Clear pricing policy

Reliable customer support

Services Offered

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

Reliable customer support

Prompt service delivery

Informative resources

Clear pricing policy

Free quotes

Services Offered

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

Link Mechanical Services, Inc.

Link Mechanical Services, Inc. Logo

Our Rating

User Rating

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

Prompt service delivery

Clear pricing policy

Informative resources

Free quotes

Services Offered

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

A Plus HVAC Inc.

A Plus HVAC Inc. Logo

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User Rating

26 Airport Dr, Westfield, MA 01085 (413) 562-0054 aplushvacinc.com

Free quotes

Prompt service delivery

Reliable customer support

Informative resources

Services Offered

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

Reliable customer support

Free quotes

Prompt service delivery

Services Offered

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

Free quotes

Clear pricing policy

Reliable customer support

Services Offered

Emergency services
Furnace repair
Indoor air quality
Ac installation
Boiler repair
Maintenance
Ventilation
Ac repair
Furnace installation
Boiler installation
Filtration
Ductless
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 faulty or getting near the end of its lifespan, it likely needs repairs or replacement from an HVAC company. Watch for these signs your system needs service:

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

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

Cost of HVAC Installation and Maintenance in Granby

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's ductwork can't accommodate a central HVAC system, you probably have a split or mini-split system. Split systems have interior units in each room to control temperature. These indoor units all connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system operates similar to a normal split system, but has the advantage of being able to utilize energy from either electric or gas sources.
  • Heat pump: Heat pumps transfer hot and cold air between your home and the outside. These systems don't generate their own heat or AC, so they work better in milder climates.
  • Packaged heating and air: Packaged HVAC systems are a good choice for smaller houses. These systems have a single combined AC and heating, normally located in a basement or attic. They're compact, energy-efficient, and easy to maintain.

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

HVAC Unit TypeCost
Split$1,995-$5,086
Hybrid Split$4,043-$7,448
Heat Pump$3,130-$31,897
Packaged Heating and Air$262-$437

Ways to Save Money on HVAC Costs

Essential HVAC maintenance is important, but can be pricey. Thankfully, there are steps homeowners can take to reduce wear and tear on their HVAC and lower future maintenance needs.

  • Monitor for potential problems. Keeping a close eye on the efficiency of your HVAC system — for instance by reviewing your thermostat settings and energy bills — helps you find and solve issues before they get too expensive.
  • Keep your system clean. Cleaning your condenser fan blades, indoor evaporator coil, ductwork, and grills 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 colder months helps warm your home with passive solar heating. Closing the blinds in warmer seasons helps prevent the same heat from getting inside. Doing both helps decrease the strain on your HVAC.
  • Change filters regularly. Replacing your air filters or washing them every 30–90 days allows efficient air circulation through your HVAC system. Also try to keep debris from accumulating on the external parts of your HVAC.
ServiceCost
Filter Replacement$65-$175
Condensor Cleaning$1,310-$3,929
Thermostat Repair$87-$218
Ductwork Cleaning$419-$1,048

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 ensure your system provides reliable heating and air conditioning for your home.

Compare Multiple Bids

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

Check Credentials

Choose an HVAC company with highly trained technicians who have proper licensing and experience. HVAC contractors in all states have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, contractors must pass an exam (the specific exam depends on what 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 are required to be licensed by the Connecticut State Department of Consumer Protection. A worker can be licensed as a journeyperson or a contractor. Both license types have requirements for education and work experience. You should also check a company's reviews and complaints with organizations such as Yelp, the Better Business Bureau (BBB), and Google Reviews. Choose a provider with positive reviews and a history of good customer service.

Understand Work Details

Make sure you know the details of your project before it begins. For HVAC repairs, have your provider specify which parts require replacement and why. Confirm that your technician will clean and test the system after the repair to verify that everything works. When replacing your HVAC, request that the company explain the new brand, estimated installation time, features, model, and energy efficiency. Before signing paperwork, be sure you understand how your provider will determine the right system size for your home and what the price will be.

Compare Warranties

Reputable HVAC companies back their work with warranties. Look at warranties from different companies, keeping in mind that broader coverage is better. Look for the company that provides the most coverage for a reasonable price.

Get Quote in Writing

Always get HVAC estimates in writing before work begins. A detailed quote covers costs for both labor and materials. Make sure that you understand all terms before signing the contract.

Frequently Asked Questions About HVAC in Granby, CT

Typically, your HVAC system should be inspected twice a year. After an inspection, your technician will tell you what, if any, services are required. You should also have an inspection if you start to notice any issues, such as 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 are often less busy during these times, so it will be easier to get an appointment. This also helps get your system ready for the summer and winter, which is when it normally 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 is comfortable, and try to adjust it only a few degrees at once. You might also consider purchasing a smart thermostat.

It takes between one and three days to have your HVAC system installed or replaced. If you only need 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, how easily accessible your system is, and any issues your technician discovers.

For a 2,000-square-foot home, you should look for 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 look for an air conditioning unit with between 2.5 and 5 tons of capacity. In general, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.

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.
  • 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 to keep the temperature indoors as close to the outside temperature as you can.
  • When replacing part of your system, see if there are Energy Star-certified or similar environmentally friendly options.

Other Granby, CT Home Services

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