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Family Owned Service Since 1965.

Family Owned Service Since 1965.

General Info
AA Service Co. is a full-service heating, cooling, and ventilation business serving the Chicagoland, IL, area since 1965. We are a Carrier factory-authorized dealer and have the technical expertise, design, and engineering skills to meet any size project's needs. We offer 24-hour emergency response, serving the HVAC needs of residential, commercial, and industrial clients. Our specialties include: • Heating and A/C systems • Zoning systems • Refrigeration • Steam/hot water boilers and water heaters • Snow melters and chillers • Ventilation Our technicians can repair and maintain all makes and models of systems. We are committed to offering quality products and services. As a family owned and operated company, we put our customers first. We value your business and will work hard to maintain your complete satisfaction. For excellence in HVAC services, contact the experts at AA Service Co. Call AA Service Co. today for your estimate!
BBB Rating
BBB Rating and Accreditation information may be delayed up to a week.
BBB Accredited businesses follow the BBB Code of Business Practices and pay a fee for accreditation review and monitoring. Accreditation is not a BBB endorsement or evaluation of the business’ product quality or competency in performing services.

BBB Rating and Accreditation information may be delayed up to a week.
Regular Hours
Mon - Sun:
  • Boiler Inspection, Boiler Setting, Gas Furnaces, Furnace Repair, Boiler Repair
  • Air Duct Sealing, Geothermal Heating & Cooling, Commercial Air Conditioning, Duct Systems, Humidifying Apparatus
  • Air Conditioning Room Units
  • Water Heaters
Payment method
amex, discover, visa, cash, check, mastercard
Manus North Shore Estates
Air Conditioning Equipment & Systems, Boilers Equipment, Parts & Supplies, Heating Contractors & Specialties, Heating Equipment & Systems, Heating Equipment & Systems-Repairing


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I'm a long-time customer of AA Service and they continue to be top notch. Since Kraig H did my maintenace a couple years ago, I've been requesting him as my tech every time. He's a true professional in every way---knowledgeable, friendly and great customer service. He just serviced my A/C. See you in the fall for my heating maintenance Kraig!




AA service is wonderful for all HVAC needs. Petr G. is a marvelous technician--knowledgeable and fast! I can't speak highly enough about this company!




I have had nothing but great experiences with AAService. I initially called them for a furnace problem on a Sunday, and they were able to come within a couple of hours. Since then, I have had their service contract and they maintain my HVAC each spring and fall as needed. I trust their recommendations 100%, and their service is always prompt.