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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.

Our Rating
User Rating
Informative resources
Free quotes
Prompt service delivery
Clear pricing policy
Reliable customer support
Services Offered

Our Rating
User Rating
Clear pricing policy
Reliable customer support
Prompt service delivery
Services Offered

Our Rating
User Rating
Clear pricing policy
Informative resources
Prompt service delivery
Free quotes
Reliable customer support
Services Offered

Our Rating
User Rating
Informative resources
Clear pricing policy
Prompt service delivery
Free quotes
Reliable customer support
Services Offered

Our Rating
User Rating
Clear pricing policy
Free quotes
Reliable customer support
Informative resources
Services Offered

Our Rating
User Rating
Informative resources
Free quotes
Reliable customer support
Prompt service delivery
Services Offered

Our Rating
User Rating
Free quotes
Reliable customer support
Prompt service delivery
Clear pricing policy
Services Offered

Our Rating
User Rating
Prompt service delivery
Free quotes
Services Offered

Our Rating
User Rating
Clear pricing policy
Free quotes
Reliable customer support
Informative resources
Prompt service delivery
Services Offered

Our Rating
User Rating
Informative resources
Clear pricing policy
Reliable customer support
Free quotes
Services Offered
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:
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:
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.
What you pay for HVAC installation or maintenance is determined by your system style. Common HVAC unit styles include the following:
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 Type | Cost | |
|---|---|---|
| Split | $1,937-$4,937 | |
| Hybrid Split | $3,924-$7,229 | |
| Heat Pump | $3,038-$30,960 | |
| Packaged Heating and Air | $254-$424 |
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.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $64-$170 | |
| Condensor Cleaning | $1,271-$3,814 | |
| Thermostat Repair | $85-$212 | |
| Ductwork Cleaning | $407-$1,017 |
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.
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.
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.
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.
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.
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.
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:
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