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Last Updated: February 25, 2025
On average, American homeowners devote 55% of their home energy usage to heating and cooling, according to the U.S. Department of Energy. Since such a significant portion of your utility bill goes toward cooling and heating, you'll want to ensure that the HVAC system in your Edwardsville home is functioning properly.
We've put together this guide to the top HVAC companies in Edwardsville to help you find the best person for your job and get your system into its best shape ever.

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

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

Our Rating
User Rating
Reliable customer support
Informative resources
Services Offered

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

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

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

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

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

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

Our Rating
User Rating
Reliable customer support
Clear pricing policy
Informative resources
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 isn't working correctly or suffering from a lot of wear and tear, you may need to hire an HVAC contractor for repairs or replacement. Watch for these common signs that your system needs expert attention:
If you're experiencing any of these HVAC issues, have a technician inspect your system. A local professional can diagnose problems and determine whether repairing or getting a new HVAC unit is the best solution.
HVAC installation or maintenance prices vary depending on your system. Common HVAC unit varieties include the following:
HVAC maintenance prices vary based on the services needed. HVAC systems are complex and may need a number of types of maintenance. Prices for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,881-$4,796 | |
| Hybrid Split | $3,812-$7,023 | |
| Heat Pump | $2,951-$30,074 | |
| Packaged Heating and Air | $247-$412 |
Taking care of necessary HVAC repairs and replacements when needed is important, but can be costly. Fortunately, 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-$3,705 | |
| Thermostat Repair | $82-$206 | |
| Ductwork Cleaning | $395-$988 |
Knowing what makes a trustworthy HVAC company is vital for a smooth installation or repair. An experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.
Get quotes from three or more HVAC companies. Describe your issues and ask if specialists can inspect your system in person. Review each provider's diagnoses, recommended solutions, estimated cost, timeline, and warranties. Avoid companies that pressure you or demand payment before work.
It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. In all states, HVAC contractors have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, individuals must pass an exam (the specific exam depends on the kind of equipment they intend 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.
Illinois doesn't have state-level contractor licensing requirements. However, there may be local regulations. Be sure to check with your municipal government to confirm that your contractor meets all of the requirements. You can also verify an Illinois business license on the Secretary of State's website. You should also check a company's reviews and complaints on sites such as the Better Business Bureau (BBB), Google Reviews, and Yelp. Pick a company with positive feedback and good customer testimonials.
It’s important to understand what the work process will look like. For HVAC repairs, the company should explain the specific parts that need replacement and why. Confirm that your technician will clean and test your system afterward to guarantee everything is working correctly. When replacing your HVAC, have the contractor explain the new energy efficiency, model, estimated installation time, brand, and features. Before signing a contract, make sure you understand the process your provider will use to size the new HVAC system appropriately for your home and what the price will be.
Trustworthy HVAC companies provide warranties for their work. Broader coverage is better, so make sure to review warranties between providers. Choose the one that gives you the most coverage at a reasonable cost.
Get a written proposal before HVAC work starts. A full quote includes both labor and material costs. Make sure you understand and agree to all terms before signing the contract.
Generally, you should have your HVAC system inspected twice a year. After that inspection, your HVAC technician will tell you what services are needed. You should also have your system inspected and serviced if you start to notice any issues, like leaks, unusual smells, or strange noises. If you have ductwork in your home, it should be serviced every few years.
The best times to have your HVAC system inspected are the spring and fall. Technicians are less busy during these times, which makes it easier to get an appointment. This also helps get your system ready for the summer and winter, when it typically sees the most use.
You can save energy throughout the year by making it easier for your HVAC system to maintain your home's temperature. Always keep your thermostat as close to the outside temperature as is comfortable, and try to adjust it only a few degrees at once. You may also consider installing a smart thermostat.
For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. For a house over 1,000 square feet, central air will be more effective for cooling than window units.
For a 2,000-square-foot home, you should also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units).
Your HVAC company may offer financing options through a third-party lender, or you might choose to obtain a loan on your own. It's smart 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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