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Last Updated: February 25, 2025
On average, Americans devote 55% of their energy usage to heating and cooling their home, according to the U.S. Department of Energy. Since such a significant portion of your utility bill goes toward heating and cooling, you'll want to ensure that the HVAC system in your Brunswick home is functioning properly.
Browse our guide to the top HVAC companies in Brunswick to find the best one for you and your home. Our topic contractors can help you stay comfortable while reducing your bills.

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

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

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

Our Rating
User Rating
Services Offered

Our Rating
User Rating
Reliable customer support
Free quotes
Services Offered

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

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

Our Rating
User Rating
Prompt service delivery
Clear pricing policy
Informative resources
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
Reliable customer support
Free quotes
Informative resources
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 HVAC system is broken or getting near the end of its lifespan, it likely needs repairs or replacement from an HVAC company. Look for these signs your system needs service:
If you notice any of the above, have a local HVAC technician inspect your system. They can identify problems and recommend whether repair or full HVAC replacement is the best course of action.
HVAC installation or maintenance costs change depending on your system. Common HVAC unit varieties include the following:
HVAC costs differ based on the work needed. HVAC systems are complicated and may need several types of maintenance. Costs for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,900-$4,844 | |
| Hybrid Split | $3,850-$7,093 | |
| Heat Pump | $2,981-$30,377 | |
| Packaged Heating and Air | $249-$416 |
Repairing or replacing your HVAC system when needed is crucial, but can be expensive. Thankfully, there are steps you can take to slow the wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $62-$166 | |
| Condensor Cleaning | $1,247-$3,742 | |
| Thermostat Repair | $83-$208 | |
| Ductwork Cleaning | $399-$998 |
It's important to know what makes a good HVAC company. A properly licensed contractor with the right experience will give you confidence that they can fix your system, providing you with effective heating and cooling for your home.
Contact at least three HVAC companies for quotes. Describe your issues and schedule an in-person inspection if possible. Compare companies' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid companies that pressure you or demand upfront payment.
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, a contractor must pass an exam (the specific exam depends on the kind of equipment they plan 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 on a state-by-state basis.
Maine doesn't have state-level licensing requirements for HVAC contractors. However, if an HVAC job also requires electrical work, the contractor must be licensed by the Office of Professional and Occupational Regulation Electricians' Examining Board. An individual can also obtain speciality licenses from the Maine Fuel Board, including Master Oil Burner and/or Solid Fuel Technician, Propane and Natural Gas Technician, Limited Wood Pellet Technician, Limited Propane Energy Auditor, Limited Oil Energy Auditor, and Limited Tank Installer. You should also look at reviews and complaints on sites like Yelp, the Better Business Bureau (BBB), and Google Reviews. Pick a company with positive reviews and reports of fantastic customer experiences.
Always make sure you understand the details of your project. When HVAC repairs are required, your provider should detail which parts require replacement and why. Confirm that your technician will clean and test your system after repairs are done to verify that it’s working properly. When replacing your HVAC, ask the contractor to describe the new estimated installation time, model, brand, energy efficiency, and features. Before signing a contract, ask how your provider plans to accurately size the unit for your home and how much it will cost.
Trustworthy HVAC companies provide warranties for their work. The broader the coverage, the better, so make sure to compare warranties between providers. Choose the one that offers the best coverage at a fair cost.
Always get HVAC quotes in writing before work begins. A comprehensive quote will cover costs for both labor and materials. Confirm that you agree to all terms before signing the contract.
You should have your HVAC system inspected twice a year. At the time of the inspection, your technician will tell you if any services are required. You should also have your system inspected 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.
Usually, you should have your HVAC system inspected in the spring and fall, as technicians tend to be less busy at these times. This also helps make sure your system is prepared for the summer and winter, when it likely sees the most use.
You can save energy during the winter by reducing the amount of work your HVAC system needs to do to heat your home. Keep your thermostat as low as is comfortable and don't make drastic temperature changes — only increase or decrease it a few degrees at a time. If possible, try switching to a smart thermostat.
It takes roughly one to 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 need around 2.5 to 5 tons of air conditioning capacity. In Brunswick, you can probably make do with a unit on the lower end of this range. If your home is larger than 1,000 square feet, central air is likely to 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).
Your HVAC company may have 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 your HVAC company and a financial advisor to make sure that you find the best option for you.
There are several ways you can make your HVAC system more energy-efficient:
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