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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. It's important that the temperature control systems in your Freeport home are functioning optimally, so that you don't spend more than you need to.
Read our list of the top HVAC companies in Freeport to find the right one for you and your home. Our topic contractors can help you reduce your bills while still staying comfortable.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Prompt service delivery
Clear pricing policy
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:
A faulty or aging HVAC system probably needs attention from a professional who can make fixes or install a new unit. Look out for these common indicators that your HVAC needs service:
Book an inspection if you notice any of these issues. A local technician can inspect your system, identify problems, and decide whether you need to fix or replace your HVAC.
The price of HVAC installation or maintenance changes depending on the kind of unit you have. Common types of HVAC units include the following:
HVAC maintenance costs vary depending on what services are needed. HVAC systems are complex and may require different kinds of maintenance. Costs for common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,881-$4,794 | |
| Hybrid Split | $3,811-$7,021 | |
| Heat Pump | $2,951-$30,067 | |
| Packaged Heating and Air | $247-$412 |
Taking care of necessary HVAC repairs and replacements when needed is important, but can be costly. Thankfully, there are steps you can take to minimize wear and tear over time on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $62-$165 | |
| Condensor Cleaning | $1,235-$3,704 | |
| Thermostat Repair | $82-$206 | |
| Ductwork Cleaning | $395-$988 |
Knowing the indicators of a reliable HVAC company is key for a smooth repair or installation. Established providers with certified technicians can offer assurance your HVAC system will deliver consistent coolig and heating year-round.
Request estimates from three or more HVAC providers. Explain your issues and ask if specialists can inspect your system in person. Review each company's diagnoses, recommended solutions, estimated cost, timeline, and warranties. Avoid companies that pressure you or demand payment before work.
When selecting an HVAC company, choose one with technicians that have the right 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 required for all contractors who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." An individual 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 by the state.
The state of Illinois doesn't have state-level licensing requirements for contractors. However, there may be local regulations, so make sure to check with your municipal government to confirm that your contractor meets all of the requirements. You can verify an Illinois business license on the Secretary of State's website. Checking reviews on Google Reviews, Yelp, the Better Business Bureau (BBB), and similar sites can assist your decision as well. Choose a provider with stellar reviews and reports of positive experiences from customers.
Always make sure you know what a company’s process looks like. When HVAC repairs are needed, ask your provider to specify which parts need replacement and explain why. Confirm that your technician will clean and test the system after finishing the work to verify proper operation. When replacing your HVAC system, request that the installation company describe the new features, estimated installation time, energy efficiency, model, and brand. Before signing a contract, ask how your provider plans to accurately size the unit for your home and how much it will cost.
Reliable HVAC companies provide warranties for their services. The broader the coverage, the better, so make sure to review warranties between providers. Choose the one that offers the best coverage at a fair cost.
Always get estimates for HVAC service in writing before work begins. A comprehensive quote should cover both labor and materials. Make sure you review all terms before signing a contract.
You should have your HVAC system inspected about twice a year. After completing their inspection, your technician will inform you if any services are required. You should also schedule an inspection if you notice new issues such as unusual smells, strange noises, or leaks. 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 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 throughout the year by reducing the amount of power your HVAC system uses to maintain your home's temperature. Always keep your thermostat as close to the outside temperature as is comfortable, and avoid making drastic changes — adjust it only a few degrees at once. You may also consider purchasing a smart thermostat.
Generally, HVAC installation or replacement takes between one and three days for the entire system. Installing or replacing a furnace or air conditioning unit can take as little as half a day or as much as two days. The exact amount of time will depend on things like the size of your house, how easily accessible different areas are, and whether your technician runs into any problems.
For a 2,000-square-foot home, you should look for 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 look for an air conditioning unit with between 2.5 and 5 tons of capacity. 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 may provide financing options through a third-party lender, or you may choose to obtain your own loan. 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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