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Last Updated: February 25, 2025
On average, 55% of the energy used in American homes is for heating and cooling, according to the U.S. Department of Energy. Since heating and cooling represent such a significant chunk of your utility bills, you'll want to ensure that the HVAC system in your Glencoe home is functioning optimally.
Our list of the top HVAC companies in Glencoe can help you get your system into its best shape ever, allowing you to save money while staying comfortable.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Informative resources
Free quotes
Clear pricing policy
Reliable customer support
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An HVAC system that's malfunctioning or outdated likely needs professional attention for repairs or replacement. Watch for these signs 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 pinpoint problems and recommend whether repair or full HVAC replacement is needed.
The price of HVAC installation or maintenance changes depending on the type of unit you have. Common kinds of HVAC units include the following:
HVAC maintenance prices vary based on the services needed. HVAC systems are complex and may need several types of maintenance. Prices for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,960-$4,995 | |
| Hybrid Split | $3,971-$7,315 | |
| Heat Pump | $3,074-$31,328 | |
| Packaged Heating and Air | $257-$429 |
Taking care of necessary HVAC repairs and replacements when needed is crucial, 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 | $64-$172 | |
| Condensor Cleaning | $1,286-$3,859 | |
| Thermostat Repair | $86-$214 | |
| Ductwork Cleaning | $412-$1,029 |
Knowing the right things to look for in an HVAC company is key for a smooth installation or repair. Established providers with certified technicians can offer assurance your HVAC system will deliver consistent heating and cooling year-round.
Contact at least three HVAC companies for quotes. Explain your issues and schedule an in-person inspection if possible. Compare contractors' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid companies that pressure you or demand upfront payment.
Look for an HVAC company that employs skilled technicians with the necessary licensure and training. In all states, HVAC contractors must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required 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 at the state level.
Illinois doesn't have state-level contractor licensing requirements. 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 also verify an Illinois business license on the Secretary of State's website. You should also check a provider's reviews and complaints with organizations such as the Better Business Bureau (BBB), Yelp, and Google Reviews. You'll want to select a company with glowing reviews and stories of positive service experiences.
Always make sure you understand the details of a planned project. When HVAC repairs are required, your provider should detail which parts require replacement and why. Confirm that your technician will clean and test your system after repairs are completed to verify that it’s working properly. For replacement, ask your contractor to explain the new HVAC system energy efficiency, features, estimated installation time, brand, and model. Before signing a contract, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.
Good HVAC companies offer warranties on repairs and equipment installations. The more complete the coverage, the better. Review warranty details between companies and pick the one that offers the most comprehensive protection within your budget.
Get a written quote before HVAC work begins. A full quote includes both labor and material costs. Make sure you understand and accept all terms before signing the contract.
Generally, your HVAC system should be inspected twice a year. After that inspection, your technician will tell you what services are required. You should also have your system inspected and serviced if you notice any new issues, such as leaks, unusual smells, or strange noises. If your home has ductwork, it should be serviced every few years.
The best times to have your HVAC system inspected are during the spring and fall. Technicians tend to be less busy during these times, making it easier to get an appointment. This also ensures that your system is 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 possible, and try to adjust it only a few degrees at once. You may also consider a smart thermostat.
It takes around 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 anywhere from a few hours up to two days. This timeline can be influenced by the size of your home, the accessibility of your system, and any issues your technician discovers.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. If your home is larger than 1,000 square feet, central air will be more effective than window units for cooling.
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).
Typically, HVAC financing is offered through a third-party lender. If your HVAC company doesn't have financing options, you may consider taking out your own loan. Be sure to speak with a financial advisor and your HVAC company to determine what options are available to you and appropriate for your situation.
There are several ways you can make your HVAC system more energy-efficient:
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