10 Best HVAC Companies in Millbury, MA

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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 Department of Energy. In Millbury, you're likely looking to reduce your energy expenses and save money on your bills.

Our list of Millbury's top HVAC companies can help you get your system into top shape, allowing you to save money while staying comfortable.

Top 10 Best HVAC Companies in Millbury

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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

Reliable customer support

Free quotes

Services Offered

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

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

Clear pricing policy

Informative resources

Services Offered

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

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

Prompt service delivery

Reliable customer support

Informative resources

Free quotes

Clear pricing policy

Services Offered

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

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

Reliable customer support

Clear pricing policy

Prompt service delivery

Informative resources

Free quotes

Services Offered

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

Stafford Mechanical Services Inc.

Stafford Mechanical Services Inc. Logo

Our Rating

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

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

Nashoba Air & BoilerWorks

Nashoba Air & BoilerWorks Logo

Our Rating

User Rating

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

Reliable customer support

Free quotes

Informative resources

Clear pricing policy

Services Offered

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

Prompt service delivery

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

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

Advanced Energy Concepts

Advanced Energy Concepts Logo

Our Rating

User Rating

151 Southbridge St, Auburn, MA 01501 (508) 791-1115 advancedenergyconcepts.com

Prompt service delivery

Free quotes

Services Offered

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

Addario's Services

Addario's Services Logo

Our Rating

User Rating

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

Clear pricing policy

Prompt service delivery

Reliable customer support

Services Offered

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

Control Point Mechanical, Inc.

Control Point Mechanical, Inc. Logo

Our Rating

User Rating

155 Memorial Dr Suite D, Shrewsbury, MA 01545 (508) 845-4822 controlpointmechanical.com

Free quotes

Clear pricing policy

Reliable customer support

Informative resources

Services Offered

Ac installation
Boiler installation
Ductless
Maintenance
Indoor air quality
Smart home integration
Furnace installation
Inspection
Duct cleaning
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

If your home's HVAC system is malfunctioning or suffering from a lot of wear and tear, you may need to hire an HVAC contractor for maintenance or replacement. Watch for these common signs that your system needs professional attention:

  • Refrigerant leaks
  • Strange noises when the system turns on
  • Poor air circulation or uneven heating/cooling
  • Frequent breakdowns and need for repairs
  • Thermostat malfunctions or temperature control issues
  • Cracking, corrosion, or rust
  • Unusually high energy bills
  • 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 pinpoint problems and let you know whether repair or full HVAC replacement is required.

Cost of HVAC Installation and Maintenance in Millbury

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

  • Split or mini-split: If your home lacks the ductwork for central heating and cooling, you probably have a split or mini-split system instead. Split HVAC systems have internal units in each room to control temperature. These connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC unit operates similarly to a regular split system. It provides flexibility by providing the option to draw on either electricity or gas for energy.
  • Heat pump: Heat pumps transfer hot and cool air between your home and the outdoors. They don't generate their own heat or AC, so they work best in temperate climates.
  • Packaged heating and air: Packaged HVAC systems are a good choice for smaller houses. They have a single cooling and heating unit, typically in a basement or attic. This unit is often small, energy-efficient, and easy to maintain.

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

HVAC Unit TypeCost
Split$1,937-$4,937
Hybrid Split$3,924-$7,229
Heat Pump$3,038-$30,960
Packaged Heating and Air$254-$424

Ways to Save Money on HVAC Costs

HVAC system repairs and replacements are important, but can be pricey. Fortunately, there are steps homeowners can take to reduce wear and tear on their system 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 out of hand.
  • Keep your system clean. Keeping your ductwork, grills, condenser fan blades, and indoor evaporator coil clean helps your system function optimally and reduces the risk of mold growth. The National Air Duct Cleaners Association recommends cleaning your HVAC system when it starts to look dirty.
  • 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 house's HVAC system.
  • Change filters regularly. Replacing your air filters or washing them every 30–90 days allows efficient air circulation through your system. You should also try to keep debris from accumulating on the outdoor sections of your HVAC.
ServiceCost
Filter Replacement$64-$170
Condensor Cleaning$1,271-$3,814
Thermostat Repair$85-$212
Ductwork Cleaning$407-$1,017

How To Choose a Local HVAC Company

Knowing the right things to look for in an HVAC company is key for a smooth installation or repair. Established providers with certified technicians can offer assurance your HVAC system will deliver consistent heating and cooling year-round.

Compare Multiple Bids

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

Check Credentials

When hiring an HVAC company, choose one with technicians that have the appropriate 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 mandatory for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." An individual 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 at the state level.

There are no state-level licensing requirements for HVAC technicians in Massachusetts. However, HVAC technicians who work on certain cooling jobs may require a Refrigeration Technician License for larger projects.

It's also important to 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 the Better Business Bureau (BBB), Google Reviews, and Yelp. Pick a company with great feedback and stories of satisfied customers.

Understand Work Details

It’s important to understand what the work process will look like. For HVAC repairs, the company should explain the specific parts that need replacement and why. Confirm that your technician will clean and test the full system afterward to ensure proper functioning. For replacement, ask the contractor to explain the new HVAC system energy efficiency, estimated installation time, features, model, and brand. Before signing a contract, you should understand how your provider will size the system appropriately for your home and the price you'll pay.

Compare Warranties

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

Get Quote in Writing

Always get HVAC quotes 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 Millbury, MA

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

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

You can save energy during the winter by reducing how much power your HVAC system uses to heat your home. Keep your thermostat as low as is comfortable and avoid making drastic changes in the temperature — increase or decrease it a few degrees at a time. If possible, try switching to a smart thermostat.

Generally, HVAC installation or replacement takes between one and three days for the entire system. 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 depend on factors like the size of your home, how easily accessible different areas are, and whether your technician finds any problems.

For a 2,000-square-foot home, you'll want 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 an air conditioning unit with around 2.5 to 5 tons of capacity. In Millbury, a unit on the lower end of this range may be sufficient. Generally, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.

Typically, HVAC financing is offered through a third-party lender. If your HVAC company doesn't have financing options, you could consider taking out a loan on your own. Be sure to talk to your HVAC company and a financial advisor to find out what options are available to you and appropriate for your situation.

There are several ways you can make your HVAC system more energy-efficient:

  • Keep ductwork clean, and change or clean your air filters regularly.
  • Have regular inspections to take care of issues 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 the temperature indoors as close to the outside temperature as is comfortable.
  • When you need to replace part of your HVAC system, explore Energy Star-certified or similar environmentally friendly options.

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