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Last Updated: February 25, 2025
According to the U.S. Department of Energy, approximately 55% of the energy used in American homes is used for heating and cooling. In Lockport, you're probably looking to reduce your energy expenses and save money.
Our guide to the top HVAC companies in Lockport can help you save money by getting your HVAC system installed, repaired or replaced for a fair price by a skilled worker.

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

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

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

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

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

Our Rating
User Rating
Reliable customer support
Informative resources
Clear pricing policy
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:
An HVAC system that's not working properly or outdated likely needs professional attention for repairs or replacement. Watch for these signals that your system needs service:
If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can identify problems and recommend whether repair or full HVAC replacement is needed.
What you spend on HVAC installation or maintenance depends on your system style. Common HVAC unit styles 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 | $1,933-$4,928 | |
| Hybrid Split | $3,917-$7,216 | |
| Heat Pump | $3,033-$30,903 | |
| Packaged Heating and Air | $254-$423 |
Essential HVAC maintenance is important, but can be pricey. Thankfully, homeowners can take steps to reduce wear and tear on their system 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 to look for in an HVAC company is crucial for a successful project. Look for an experienced, licensed contractor that can offer you peace of mind and make sure your system provides reliable heating and air conditioning for your home.
Request estimates from at least three HVAC providers. Explain your issues and ask if specialists can inspect your system in person. Review each company's diagnoses, recommended solutions, estimated cost, warranties, and timelines. Avoid companies that pressure you or demand payment before work.
It's important to choose an HVAC company that employs technicians with the proper qualifications and expertise. HVAC contractors in all states have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, a contractor must pass an exam (the type of 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.
Illinois doesn't have state-level contractor licensing requirements. However, there may be local regulations. Be sure to check with your municipal government to verify that your contractor meets all the requirements. You can verify an Illinois business license on the Secretary of State's website. Reviewing feedback on the Better Business Bureau (BBB), Google Reviews, Yelp, and similar sites can help your decision. Choose a company with great reviews and stories of positive customer experiences.
Always make sure you know what a company’s process is like. When getting HVAC repairs, ask your provider to specify which parts need replacement and why. Confirm that your technician will clean and test the system at the end of the job to ensure proper operation. When replacing your HVAC system, request that the installation company describe the new energy efficiency, estimated installation time, model, features, and brand. Before work starts, 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 work. The broader the coverage, the better, so make sure to compare warranties between companies. Choose the one that gives you the most coverage at a reasonable cost.
Get written estimates before beginning any HVAC work. The quote should include costs for both materials and labor. Read all terms carefully before signing.
Normally, you should have your HVAC system inspected twice a year. After an inspection, your HVAC technician will tell you what services are required. You should also have your system inspected and serviced if you start to notice any issues, such as unusual smells, strange noises, or leaks. If you have ductwork in your home, it should be serviced every few years.
The best times of the year to have an HVAC inspection are during the spring and fall. Technicians tend to be less busy during these times, which makes it easier to get an appointment. This also ensures that your system is ready for the summer and winter, which is when it normally 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 you can, and avoid making drastic changes — adjust it only a few degrees at once. You may also consider getting a smart thermostat.
It takes roughly one to three days to have your HVAC system installed or replaced. If you need just a furnace or a single air conditioning unit, this might 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 issues your technician runs into.
For a 2,000-square-foot home, you'll want 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 an air conditioning unit with around 2.5 to 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.
Normally, HVAC financing is offered through a third-party lender. If your HVAC company doesn't offer financing, you could consider taking out a loan on your own. Be sure to speak with a financial advisor and your HVAC company to learn what options are available and appropriate for your situation.
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