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Last Updated: February 25, 2025
If you're like most Americans, over half of your energy bill (55%, per the Department of Energy) goes toward heating and cooling. With the higher cost of living in Kittery, you're probably eager to reduce your energy bills.
We've researched and assembled this guide to the top HVAC companies in Kittery to help you find the best person for your job and get your system into its best shape ever.

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

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

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

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

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

Our Rating
User Rating
Free quotes
Reliable customer support
Informative resources
Clear pricing policy
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 malfunctioning or aging HVAC system probably needs attention from a professional who can make fixes or install a new unit. Keep an eye out for these common signs that your HVAC needs service:
These HVAC red flags indicate that you should have your system evaluated. A local provider can complete an inspection, diagnose problems, and recommend repairing or replacing your HVAC unit.
HVAC installation or maintenance prices vary depending on your system. Common HVAC unit types include the following:
HVAC maintenance prices differ depending on what services are needed. HVAC systems are complicated and might require different kinds of maintenance. Prices for some common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,859-$4,739 | |
| Hybrid Split | $3,767-$6,940 | |
| Heat Pump | $2,917-$29,721 | |
| Packaged Heating and Air | $244-$407 |
Essential HVAC maintenance is important, but can be pricey. Luckily, there are steps homeowners can take to reduce wear and tear on their HVAC and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $61-$163 | |
| Condensor Cleaning | $1,220-$3,661 | |
| Thermostat Repair | $81-$203 | |
| Ductwork Cleaning | $391-$976 |
Knowing what to look for in an HVAC company is crucial for a successful project. Partnering with an experienced, licensed contractor can give you peace of mind and ensure your system provides reliable heating and air conditioning for your home.
Request estimates from three or more HVAC companies. Describe your issues and ask if specialists can inspect your system in person. Compare each contractor's diagnoses, recommended solutions, estimated cost, timeline, and warranties. Avoid providers that pressure you or demand payment before work.
When selecting an HVAC provider, choose one with technicians that have the proper training, licenses, and experience. HVAC contractors in all states must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required 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 what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled on a state-by-state basis.
There are no state-level licensing requirements for HVAC technicians in Maine. 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 Wood Pellet Technician, Limited Propane Energy Auditor, Limited Oil Energy Auditor, and Limited Tank Installer. You should also check a provider's reviews and complaints with organizations such as Google Reviews, Yelp, and the Better Business Bureau (BBB). You want to hire a company with glowing reviews and stories of positive service experiences.
Always make sure you understand the details of a planned project. For HVAC repairs, your provider should list which parts need replacement and why. Confirm that your technician will clean and test your system after repairs are finished to verify that it’s working properly. When replacing your HVAC, have the contractor explain the new brand, features, energy efficiency, model, and estimated installation time. Before signing paperwork, be sure you understand how your provider will determine the right system size for your home and what the price will be.
A trustworthy HVAC company will stand behind its repair services and installations with a warranty. The longer and more comprehensive the warranty coverage, the better. Carefully compare the fine print between contractors and choose the company that provides the greatest protection within your budget.
Always get estimates for HVAC service in writing before work begins. A comprehensive quote should cover both materials and labor. Make sure you agree to all terms before signing a contract.
Generally, your HVAC system should be inspected twice a year. After that inspection, your HVAC technician will tell you what, if any, services are needed. You should also call a technician if you notice any new issues, such as strange noises, unusual smells, or leaks. If your home has ductwork, it should be serviced every few years.
The best times to have an HVAC inspection are the spring and fall. Technicians are often less busy during these times, so it will be easier to get an appointment. This also ensures that your system is ready for the summer and winter, when it typically gets 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 changes in the temperature — only increase or decrease it a few degrees at a time. If you can, try switching to a smart thermostat.
It takes around one to three days to have an HVAC system installed or replaced. If you need just an air conditioning unit or a furnace, this may take between half a day and two days. This timeline can be determined by the size of your home, the accessibility of your system, and any new issues your technician discovers.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. In Kittery, 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 will be more effective for cooling than window units.
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 might offer financing options via a third-party lender, or you may choose to obtain a loan on your own. It's smart to discuss payment options with a financial advisor and your HVAC company to make sure that you're choosing the best option for you.
There are a number of ways you can make your HVAC system more energy-efficient:
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