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Last Updated: February 25, 2025
According to the U.S. Department of Energy, approximately 55% of energy use in American homes goes toward heating and cooling. With the higher cost of living in Bolingbrook, you're probably eager to find ways to save on your energy bills.
The right HVAC contractor can get your system into shape for a reasonable price, saving you money while keeping your home comfortable. That's why we've assembled this guide to the top HVAC companies in Bolingbrook.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
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 malfunctioning or aging HVAC system probably needs professional attention from a technician who can make fixes or install a new unit. Look out for these common signs that your HVAC needs service:
Schedule an inspection if you notice any of these problems. A local technician can assess your system, detect problems, and decide whether you need repairs or a new HVAC unit.
Your HVAC installation or maintenance cost changes depending on the style of unit. Common HVAC unit types include the following:
HVAC maintenance prices differ depending on the particular service needed. HVAC systems are complex and may require different maintenance services. Costs 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 |
HVAC system repairs and replacements are important, but can be pricey. Thankfully, there are steps homeowners can take to reduce wear and tear on their HVAC and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $63-$169 | |
| Condensor Cleaning | $1,269-$3,807 | |
| Thermostat Repair | $85-$211 | |
| Ductwork Cleaning | $406-$1,015 |
Knowing what makes a trustworthy HVAC company is key for an easy installation or repair. An experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.
Contact at least three HVAC providers for quotes. Explain the issues and have specialists visit to inspect your HVAC system if possible. Compare the contractors' explanations, solutions, estimated costs, warranties, and timeframes. Avoid companies that pressure you or demand payment upfront.
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 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 what 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.
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 the Better Business Bureau (BBB), Yelp, Google Reviews, and similar sites can assist your decision. Choose a provider with great reviews and stories of positive experiences from customers.
Always make sure you understand the details of a planned project. For HVAC repairs, your provider should detail which parts need replacement and why. Confirm that your technician will clean and test the full system after repairs are completed to ensure that it’s working properly. When replacing your HVAC system, have the provider describe the new estimated installation time, model, features, brand, and energy efficiency. Before signing a contract, ask how your provider plans to accurately size the unit for your home and how much it will cost.
Reputable HVAC companies stand behind their work with warranties. Compare warranties from different companies, keeping in mind that more comprehensive coverage is better. Look for the company that provides the most coverage for a fair price.
Get written estimates before starting HVAC work. The quote should cover costs for both labor and materials. Read all terms carefully before signing.
Typically, you should have your HVAC system inspected twice a year. After an inspection, your technician will tell you what, if any, services are required. You should also have your system inspected and serviced if you start to notice any issues, like unusual smells, leaks, 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 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, the times of the year when it gets 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 a time. You could also consider installing a smart thermostat.
It takes around one to three days to have your HVAC system installed or replaced. If you only need a furnace or a single air conditioning unit, this might take anywhere from a few hours up to two days. This timeline can be influenced by the size of your house, the accessibility of your system, and any issues your technician discovers.
For a 2,000-square-foot home, 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 purchase an air conditioning unit with around 2.5 to 5 tons of capacity. Generally, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.
Usually, HVAC financing is through a third-party lender. If your HVAC company doesn't have financing options, you might consider taking out a loan on your own. Be sure to speak with your HVAC company and a financial advisor to determine what options are available and appropriate for your situation.
There are several ways you can make your HVAC system more energy-efficient:
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