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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. You want your Aux Sable home to be comfortable, but you also don't want to waste your money on ineffective heating and cooling.
We've compiled this guide to Aux Sable's top HVAC companies to help you find the best person for your job and get your system into its best shape ever.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Free quotes
Prompt service delivery
Clear pricing policy
Reliable customer support
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 malfunctioning or aging HVAC system probably needs professional attention from a technician who can make repairs or install a new unit. Keep an eye out for these common indicators that your HVAC needs service:
If you notice any of these HVAC red flags, your system evaluated. A local provider can complete an inspection, identify problems, and recommend repairing or replacing your HVAC unit.
HVAC installation or maintenance prices vary depending on your system. Common HVAC unit varieties include the following:
HVAC maintenance costs vary depending on the particular service needed. HVAC systems are complicated and may require different kinds of maintenance. Fees for common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,933-$4,928 | |
| Hybrid Split | $3,917-$7,216 | |
| Heat Pump | $3,033-$30,903 | |
| Packaged Heating and Air | $254-$423 |
It’s important to take care of HVAC repairs and replacements when they are required, 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 | $63-$169 | |
| Condensor Cleaning | $1,269-$3,807 | |
| Thermostat Repair | $85-$211 | |
| Ductwork Cleaning | $406-$1,015 |
Knowing what to look for in an HVAC company is crucial for a successful project. Look for an experienced, licensed contractor that can give you peace of mind and ensure your system provides reliable heating and air conditioning for your home.
Get quotes from at least three HVAC companies. Explain your issues and ask if technicians can inspect your system in person. Compare each company's diagnoses, recommended solutions, estimated cost, warranties, and timelines. Avoid contractors that pressure you or demand payment before work.
Look for an HVAC company that employs skilled technicians with the necessary licensure and training. HVAC contractors in all states need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for all technicians who "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 by the state.
The state of Illinois doesn't have state-level licensing requirements for contractors. 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. Checking reviews on Google Reviews, the Better Business Bureau (BBB), Yelp, and similar sites can help your decision as well. Choose a provider with great reviews and stories of positive experiences from customers.
Always make sure you know the details of a planned project. When HVAC repairs are required, your provider should specify which parts require replacement and why. Confirm that your technician will clean and test the full system after repairs are finished to ensure that it’s working properly. When replacing your HVAC, have the contractor explain the new model, brand, energy efficiency, estimated installation time, and features. Before signing paperwork, make sure you understand how your provider will determine the right system size for your home and what the price will be.
Trustworthy HVAC companies back their services with warranties. Compare warranties from different companies, keeping in mind that more comprehensive coverage is better. Look for the provider that offers the most coverage for a reasonable price.
Always get HVAC quotes in writing before work begins. A detailed quote covers costs for both labor and materials. Make sure that you agree to all terms before signing the contract.
You should have your HVAC system inspected about twice a year. Following an inspection, your technician will inform you if any services are needed. You should also have your system inspected if you notice new issues such as leaks, unusual smells, or strange noises. If your home has ductwork, it should be inspected every few years.
Generally, it's best to have your HVAC system inspected in the spring and fall, as these times tend to be less busy. This also helps get your system ready for the summer and winter, when it probably 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 possible, and avoid making drastic changes — adjust it only a few degrees at once. You could also consider getting a smart thermostat.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. For a house over 1,000 square feet, central air will usually 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 may offer financing options via a third-party lender, or you may choose to obtain your own loan. It's a good idea 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 several ways you can make your HVAC system more energy-efficient:
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