A line drawing of an air conditioner with smoke coming out of it.

Professional AC Services in Wauconda, Evanston & Mundelein, IL

Midwest summers can be brutal and no home should be without a fully functional air conditioning system. You rely on your air conditioner to work consistently and well, so you need to have a reliable, full-service AC company you can count on for all your cooling system needs. If you are searching for 24/7 AC Repair & Replacement Services near me? Gleason Heating and Air Conditioning is proud of being the premiere go-to AC contractor in the greater Wauconda area. Gleason offers Air Repair & Replacement Services in Wauconda, Arlington Heights, Lake Zurich& Evanston, IL and the surroundings areas in IL. Call us now for 24/7 emergency Air Repair services.

AC Maintenance and Repair

AC Repair tools

AC Replacement & Repair ServicesTo keep your air conditioning system running its best, proper maintenance is key. Even a brand new AC needs regular cleaning and care when used consistently. Filters need to be cleaned and changed on a regular basis and any unusual behavior should be addressed as soon as it begins.


If you find yourself checking the settings because your home feels warm, or if you notice new sounds coming from the system, give us a call right away. It’s much better to address issues when they begin rather than risk problems becoming more serious.


Gleason is here for you 24/7, so even if your worst nightmare comes true and your AC system stops working in the middle of the night during a major heatwave, we have you covered.

AC Installation and Replacement

Being faced with installing a new system or replacing your existing one can be a truly daunting task. With all the options available, you want to be sure you’re getting the best air conditioner you can with the budget you have.


Rest assured, the Gleason professional HVAC team will help you choose the right HVAC system for your needs. We’ll do an assessment of your home, talk with you about your preferences, and respect your budget. Based on the information we gather, we will recommend an air conditioning system that will keep your home cool and comfortable for years to come.


Additionally, we will reliably be there for you again with any AC repairs or maintenance needs that arise in the future.

Customer Satisfaction Guaranteed

HVAC and Water Heater Services in Illinois

Gleason Heating and Air Conditioning is proud of the 70 years we have spent building our reputation. We have a 5-star rating on Google with countless reviews praising our services. We take pride in our work and take your feedback very seriously, as we truly appreciate your business and want you to always feel confident in our services.


Customer service and satisfaction is important to us because when you choose Gleason, you choose to become part of our family. While we are based in Wauconda, IL, we also service several other areas. For your convenience, you can request an appointment here on our website, or call (847) 994-4237. We look forward to hearing from you.
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