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Last Updated: February 25, 2025
According to the Department of Energy, approximately 55% of energy use in American homes goes toward heating and cooling. In Waterville, much of your energy expenses probably come from running your heat during the winter. On average, residents spend $170 on heating every month.
The right HVAC contractor can get your system into its best shape ever, saving you money while keeping your home comfortable. That's why we've assembled this guide to the best HVAC companies in Waterville.

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

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

Our Rating
User Rating
Free quotes
Reliable customer support
Services Offered

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

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

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

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

Our Rating
User Rating
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:
A faulty or aging HVAC system probably needs attention from a professional who can make fixes or install a new unit. Watch out for these common signs that your HVAC needs service:
If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can diagnose problems and let you know whether repair or full HVAC replacement is required.
The price of HVAC installation or maintenance varies depending on the type of unit you have. Common types of HVAC units include the following:
HVAC costs differ based on the work needed. HVAC systems are complex and may need a number of types of maintenance. Costs for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,769-$4,509 | |
| Hybrid Split | $3,584-$6,604 | |
| Heat Pump | $2,775-$28,280 | |
| Packaged Heating and Air | $232-$387 |
It’s important to make any essential HVAC fixes or replacements as needed, though they can be expensive. The good news is that homeowners have ways to minimize progressive deterioration and reduce the frequency of breakdowns.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $58-$155 | |
| Condensor Cleaning | $1,161-$3,484 | |
| Thermostat Repair | $77-$194 | |
| Ductwork Cleaning | $372-$929 |
Knowing the indicators of a reliable 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.
Contact at least three HVAC companies for quotes. Explain your issues and schedule an in-person inspection if possible. Compare contractors' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid providers that pressure you or demand upfront payment.
It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. HVAC contractors in all states have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, an individual 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 at the state level.
Maine doesn't have state-level licensing requirements for HVAC contractors. However, contractors who complete electrical work while working on an HVAC system must be licensed by the Office of Professional and Occupational Regulation Electricians' Examining Board. An individual can also obtain speciality licenses through the Maine Fuel Board, including Master Oil Burner and/or Solid Fuel Technician, Propane and Natural Gas Technician, Limited Propane Energy Auditor, Limited Oil Energy Auditor, Limited Wood Pellet Technician, and Limited Tank Installer. Checking reviews on Yelp, Google Reviews, the Better Business Bureau (BBB), and similar sites can help your decision. Choose a provider with stellar reviews and stories 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 list the exact parts that need replacement and why. Get confirmation that your technician will clean and test your system afterward to ensure proper functioning. When replacing your HVAC, ask the contractor to provide details on the new energy efficiency, features, model, estimated installation time, and brand. Before signing a contract, make sure you understand how your provider will properly size the new unit for your home and what the cost will be.
Reputable HVAC companies back their services with warranties. Compare warranties from different companies, while remembering that broader coverage is better. Look for the provider that offers the most coverage for a reasonable price.
Always get HVAC bids in writing before work begins. A detailed quote covers costs for both labor and materials. Confirm that you understand all terms before signing the contract.
Generally, your HVAC system should be inspected twice a year. After that inspection, your technician will tell you what services are needed. You should also have your system inspected and serviced if you notice any new issues, such as strange noises, leaks, or unusual smells. 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 tend to be less busy during these times, so it will be easier to get an appointment. This also helps get your system ready for the summer and winter, when it typically gets 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 — increase or decrease it a few degrees at a time. If you're able to, try switching to a smart thermostat.
It takes between one and three days to have an HVAC system installed or replaced. If you only need a furnace or a single air conditioning unit, this might take between half a day and two days. This timeline will be determined by the size of your home, how easily accessible your system is, and any issues your technician uncovers.
Normally, HVAC financing is provided by a third-party lender. If your HVAC company doesn't have financing 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:
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