10 Best HVAC Companies in Boston, MA

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Last Updated: February 25, 2025

On average, Americans devote 55% of their home energy usage to heating and cooling, according to the U.S. Department of Energy. With Boston's higher cost of living, you're probably eager to find ways to save on your energy bills.

Our guide to the top HVAC companies in Boston can help you save money by getting your HVAC system installed, repaired or replaced for a fair price by a skilled worker.

Top 10 Best HVAC Companies in Boston

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Frank's Heating & Air Conditioning

Frank's Heating & Air Conditioning Logo

Our Rating

User Rating

555 Woburn St, Tewksbury, MA 01876 (978) 851-4403 franksheating.com

Clear pricing policy

Free quotes

Reliable customer support

Services Offered

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

Back Bay Mechanical

Back Bay Mechanical Logo

Our Rating

User Rating

654 Washington St, Braintree, MA 02184 (617) 397-4409 backbaymechanical.com

Prompt service delivery

Reliable customer support

Informative resources

Clear pricing policy

Services Offered

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

Nicholson Plumbing, Electrical, Heating, and Air Conditioning

Nicholson Plumbing, Electrical, Heating, and Air Conditioning Logo

Our Rating

User Rating

71 Whitney St, Holliston, MA 01746 (508) 301-1767 nicholson-hvac.com

Informative resources

Clear pricing policy

Prompt service delivery

Reliable customer support

Free quotes

Services Offered

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

Muirfield Mechanical Services LLC Heating & Air Conditioning

Muirfield Mechanical Services LLC Heating & Air Conditioning Logo

Our Rating

User Rating

60 Willow Rd, Ayer, MA 01432 (978) 263-7130 muirfieldmechanical.com

Prompt service delivery

Free quotes

Reliable customer support

Informative resources

Clear pricing policy

Services Offered

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

Cooling Unlimited, Inc.

Cooling Unlimited, Inc. Logo

Our Rating

User Rating

565 Main St, Reading, MA 01867 (781) 944-1030 coolingunlimited.com

Clear pricing policy

Informative resources

Prompt service delivery

Reliable customer support

Services Offered

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

Blue Bear Plumbing, Heating & Air

Blue Bear Plumbing, Heating & Air Logo

Our Rating

User Rating

300 Longwater Dr, Norwell, MA 02061 (781) 427-2080 bluebearplumbing.com

Prompt service delivery

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

Boiler installation
Ac installation
Filtration
Ac repair
Boiler repair
Emergency services
Furnace repair
Inspection
Furnace installation
Maintenance
Ductless

Nashoba Air & BoilerWorks

Nashoba Air & BoilerWorks Logo

Our Rating

User Rating

527 Great Rd, Littleton, MA 01460 (978) 540-8676 nashobaair.com

Informative resources

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

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

Townsend Energy

Townsend Energy Logo

Our Rating

User Rating

27 Cherry St, Danvers, MA 01923 (800) 888-2888 townsendtotalenergy.com

Reliable customer support

Prompt service delivery

Informative resources

Clear pricing policy

Free quote

Services Offered

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

Addario's Services

Addario's Services Logo

Our Rating

User Rating

2 Gill St Suite J, Woburn, MA 01801 (781) 417-5699 addarios.com

Reliable customer support

Clear pricing policy

Prompt service delivery

Services Offered

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

Climate Design Systems, LLC

Climate Design Systems, LLC Logo

Our Rating

User Rating

15 Aegean Dr STE 3, Methuen, MA 01844 (978) 689-8312 climatedesignsystems.com

Free quotes

Informative resources

Reliable customer support

Clear pricing policy

Services Offered

Maintenance
Ac installation
Indoor air quality
Emergency services
Furnace installation
Filtration
Furnace repair
Ac repair
Inspection
Boiler 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 suffering from a lot of wear and tear, you might need an HVAC contractor for repairs or replacement. Look for these common indicators that your system needs expert attention:

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

If you notice any of these HVAC red flags, your system evaluated. A local provider can complete an inspection, identify problems, and recommend repairing or replacing your HVAC unit.

Cost of HVAC Installation and Maintenance in Boston

Your HVAC installation or maintenance cost varies depending on the type of unit. Common HVAC unit varieties include the following:

  • Split or mini-split: Homes without ductwork for central air often have split or mini-split HVAC systems. These systems consist of internal units in each room to regulate temperature, which all 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 as energy sources.
  • Heat pump: Heat pumps exchange warm and cold air between your home and the outdoors. They don't generate their own heat or AC, so they function best in moderate climates.
  • Packaged heating and air: Packaged HVAC systems work well in smaller homes. They consist of a single combined air conditioner and heating unit, usually located in a basement or attic. This unit is typically compact, energy-efficient, and straightforward to maintain.

HVAC maintenance prices vary based on the specific services needed. HVAC systems can be complex and potentially require a number of services. Fees for typical jobs are as follows:

HVAC Unit TypeCost
Split$2,048-$5,222
Hybrid Split$4,151-$7,647
Heat Pump$3,214-$32,747
Packaged Heating and Air$269-$448

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. Keeping an eye out for problems, for instance by consistently checking your thermostat and energy bills, lets you resolve them before they get out of hand.
  • 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 lessen the demand on your HVAC system.
  • Change filters regularly. Cleaning or replacing your air filters every 30–90 days helps air flow smoothly through your system. Also try to keep debris away from the outside areas of your HVAC system as much as possible.
  • Keep your system clean. Regularly cleaning condenser fan blades, ductwork, grills, and indoor evaporator coil helps keep your HVAC system running efficiently and lowers the risk of mold. The National Air Duct Cleaners Association advises cleaning your heating and cooling system when it starts to look dirty.
ServiceCost
Filter Replacement$67-$179
Condensor Cleaning$1,345-$4,034
Thermostat Repair$90-$224
Ductwork Cleaning$430-$1,076

How To Choose a Local HVAC Company

Knowing the indicators of a good HVAC company is important. Working with a contractor that's properly licensed and highly experienced will give you confidence that they can keep your system running efficiently, providing you with effective heating and cooling in 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 contractor's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid companies that pressure you or demand payment before work.

Check Credentials

Choose an HVAC company with well-trained technicians who have appropriate 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, individuals must pass an exam (the type of 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 at the state level.

The state of Massachusetts doesn't have state-level HVAC contractor licensing requirements. However, HVAC technicians who do certain cooling work may need a Refrigeration Technician License for larger projects.

You should also check with your city or municipal government to find out if there are any local licensing requirements for HVAC contractors. You should also check a company's reviews and complaints on sites such as Yelp, Google Reviews, and the Better Business Bureau (BBB). Pick a company with positive feedback and stories of satisfied customers.

Understand Work Details

Always make sure you know what a company’s process looks like. When HVAC repairs are needed, ask your provider to explain which parts need replacement and why. Confirm that your technician will clean and test your system after finishing the work to verify proper operation. When replacing your HVAC, ask the provider to explain the new estimated installation time, brand, model, features, and energy efficiency. Before work starts, make 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

Good HVAC companies offer warranties on service and installations. The more complete the coverage, the better. Compare warranty details between providers and pick the one that offers the most comprehensive protection for the fairest price.

Get Quote in Writing

Get a written estimate before HVAC work begins. A full quote includes both labor and material costs. Make sure you understand and accept all terms before signing the contract.

Frequently Asked Questions About HVAC in Boston, MA

Generally, your HVAC system should be inspected twice a year. After that inspection, your technician will tell you what services are required. You should also call a technician if you start to notice any issues, such as strange noises, unusual smells, 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 are often less busy during these times, which makes it 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 making it easier for your HVAC system to maintain your home's temperature. During all seasons, keep your thermostat as close to the outside temperature as you can, and try to adjust it only a few degrees at a time. You could also consider a smart thermostat.

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

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

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

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

  • Keep your air ducts clean and clean or change 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 aren't able to purchase one, try keeping the temperature indoors as close to the outside temperature as you can.
  • When it comes time to replace any part of your system, explore Energy Star-certified or other environmentally friendly options.

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