10 Best HVAC Companies in Charlton, MA

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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. In Charlton, you're likely looking to reduce your energy usage and save money.

We've put together this guide to Charlton's top HVAC companies to help you choose the right person for your job and get your system into its best shape ever.

Top 10 Best HVAC Companies in Charlton

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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

Informative resources

Free quotes

Prompt service delivery

Clear pricing policy

Reliable customer support

Services Offered

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

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

Clear pricing policy

Reliable customer support

Prompt service delivery

Services Offered

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

Nicholson Plumbing, Electrical, Heating, and Air Conditioning

Nicholson Plumbing, Electrical, Heating, and Air Conditioning Logo

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

Clear pricing policy

Informative resources

Prompt service delivery

Free quotes

Reliable customer support

Services Offered

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

Muirfield Mechanical Services LLC Heating & Air Conditioning

Muirfield Mechanical Services LLC Heating & Air Conditioning Logo

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User Rating

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

Informative resources

Clear pricing policy

Prompt service delivery

Free quotes

Reliable customer support

Services Offered

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

Nashoba Air & BoilerWorks

Nashoba Air & BoilerWorks Logo

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User Rating

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

Clear pricing policy

Free quotes

Reliable customer support

Informative resources

Services Offered

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

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

Informative resources

Free quotes

Reliable customer support

Prompt service delivery

Services Offered

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

Free quotes

Reliable customer support

Prompt service delivery

Clear pricing policy

Services Offered

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

Advanced Energy Concepts

Advanced Energy Concepts Logo

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User Rating

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

Prompt service delivery

Free quotes

Services Offered

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

R & W Heating Energy Solutions LLC

R & W Heating Energy Solutions LLC Logo

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User Rating

10 Witter Rd, Salem, CT 06420 (860) 848-9993 rw-heating.com

Clear pricing policy

Free quotes

Reliable customer support

Informative resources

Prompt service delivery

Services Offered

Furnace installation
Duct cleaning
Ac installation
Radiant heating
Ductless
Ventilation
Maintenance
Boiler installation
Emergency services
Inspection

Control Point Mechanical, Inc.

Control Point Mechanical, Inc. Logo

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User Rating

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

Informative resources

Clear pricing policy

Reliable customer support

Free quotes

Services Offered

Duct cleaning
Ductless
Indoor air quality
Furnace installation
Boiler installation
Ac installation
Furnace repair
Smart home integration
Maintenance
Inspection
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 may need to hire an HVAC contractor for repairs or replacement. Look for these common indicators that your system requires expert attention:

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

If you notice any of these HVAC red flags, your system evaluated. A local company can complete an inspection, diagnose problems, and advise you whether you should repair or replace your HVAC unit.

Cost of HVAC Installation and Maintenance in Charlton

What you pay for HVAC installation or maintenance is determined by your system style. Common HVAC unit styles include the following:

  • Split or mini-split: If your home lacks the right ductwork for central heating or air, you probably have a split HVAC system. Split or mini-split systems consist of internal 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 has the capacity to draw on either gas or electricity for power.
  • Heat pump: Heat pumps exchange warm and cold air between your home and outside. They don't make their own heat or AC, so they function best in temperate 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 compact, energy-efficient, and easy to maintain.

HVAC costs differ based on the work needed. HVAC systems are complex and may need multiple types of maintenance. Prices for common jobs 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

Repairing or replacing your HVAC system when needed is crucial, but can be expensive. Thankfully, there are actions you can take to reduce gradual wear and tear on your system.

  • Keep your system clean. Keeping your ductwork, indoor evaporator coil, condenser fan blades, and grills clean enables your HVAC system to function properly and lowers the risk of mold. The National Air Duct Cleaners Association recommends cleaning your home's HVAC system when you notice it starting to get dirty.
  • Monitor for potential problems. Keeping an eye out for problems, for instance by routinely checking your thermostat and energy bills, lets you resolve them before they get out of hand.
  • Change the position of your blinds seasonally. Keeping your blinds closed in the summer helps block out passive solar heat. Keeping them open in the winter helps you take advantage of this same heat. Both of these measures help reduce the amount of work your HVAC system needs to do.
  • Change filters regularly. Replacing your air filters or washing them every 1–3 months allows effective air circulation through your system. You should also try to keep debris from accumulating on the external parts 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 indicators of a good HVAC company is important. A properly licensed contractor with the right experience will give you confidence that they can fix your system, providing you with effective air conditioning and heating for your home.

Compare Multiple Bids

Request estimates from three or more HVAC contractors. Describe your issues and ask if specialists can inspect your system in person. Review each contractor's diagnoses, recommended solutions, estimated cost, timeline, and warranties. Avoid companies that pressure you or demand payment before work.

Check Credentials

When picking an HVAC provider, 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 mandatory for any individual who helps "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 the type of equipment they intend to work with) to be certified by the EPA. 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 require 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. Checking reviews on Google Reviews, the Better Business Bureau (BBB), Yelp, and similar sites can assist your decision as well. Choose a provider with great reviews and reports of positive experiences from customers.

Understand Work Details

It’s important to know what the work process is going to look like. For HVAC repairs, the company should explain the particular parts that need replacement and why. Confirm that your technician will clean and test the full system afterward to make sure everything is operating properly. When replacing your HVAC, ask the contractor to provide details on the new model, energy efficiency, brand, features, and estimated installation time. Before work begins, make sure you understand how your provider will properly size the new unit for your home and what the cost will be.

Compare Warranties

A reputable HVAC company will back its repair work and installations with a warranty. The longer and more comprehensive the coverage terms, the better. Carefully review the fine print for each contractor and choose the company that provides the best protection at a reasonable price.

Get Quote in Writing

Always get quotes for HVAC service in writing before committing to a provider. A comprehensive quote should cover both labor and materials. Make sure you agree to all terms before signing a contract.

Frequently Asked Questions About HVAC in Charlton, MA

You should have your HVAC system inspected approximately twice annually. Following an inspection, your technician will inform you what services are required. You should also schedule an inspection if you start noticing issues such as leaks, strange noises, or unusual smells. If your home has ductwork, it should be inspected every few years.

Generally, it's smart to schedule inspections in the spring and fall, as these times tend to be less busy. This also helps make sure your system is prepared for the summer and winter, when it typically 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 you can and avoid making drastic temperature changes — increase or decrease it a few degrees at a time. If possible, try switching to a smart thermostat.

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 to purchase an air conditioning unit with around 2.5 to 5 tons of capacity. In Charlton, a unit on the lower end of this range may be sufficient. In general, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.

Your HVAC company might offer financing options via a third-party lender, or you might choose to obtain a loan on your own. It's a good idea to discuss payment options with a financial advisor and your HVAC company to make sure that you find the best option for you.

There are a number of 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 arise.
  • 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 you can.
  • When you need to replace part of your HVAC system, see if there are Energy Star-certified or other environmentally friendly options.

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