Welcome to AA Service Co

Locally owned and operated, AA Service Co has served the comfort needs of the entire North Shore for the last 50 years.  We began in 1965 with a commitment to fair pricing, quality workmanship and superior equipment.  Over the years, we’ve built our client list through personal attention, prompt action and lasting solutions to both residential and commercial heating concerns.  We continue to live up to our motto … Big enough to get the job done.  Small enough to care!

Carrier Factory Authorized

AA Service Co is a Carrier Factory Authorized Dealer, a distinction earned through consistent customer satisfaction, industry expertise and ethical business practices.  Our team of technicians continues training in the specifics of installation, maintenance and repair.  Our sales representatives receive ongoing education to properly identify and recommend solutions that meet your specific needs for comfort, efficiency and quiet operation.  As a Carrier Factory Authorized Dealer, we install Factory Authorized Parts whenever possible, ensuring peak performance and longevity of your heating/cooling system.  As a Carrier President’s Award winner, AA Service Co exemplifies quality, leadership and dedication in the HVAC industry.  Our technicians are NATE-certified.  North American Technician Excellence (NATE) is the nation’s largest, non-profit certification program for technicians that is supported by the entire HVAC industry.  NATE certification tests represent direct working knowledge of HVACR and are designed to verify those professional who have proven their comprehension of products, skills and services specific to heating, cooling, ventilation and refrigeration.

Your Local Experts

AA Service Co, through our long history of service in the Chicago area, is familiar with the dramatic weather swings, humidity and wind chill specific to our local climate.  For heating & cooling installation, maintenance and repair, you can count on AA Service Co to handle your residential HVAC needs and keep your home comfortable year round.

Heating & A/C Company Northbrook, Glenview, Highland Park, Lake Forest & Winnetka, IL

At AA Service Co, we recognize the growing demand for energy efficiency, indoor air quality, and consistent comfort in the workplace, answer the challenge with superior products, conscientious installation, and continued maintenance.  For commercial HVAC services, our NATE-certified technicians have the resources, training and experience to deliver superior coverage to your entire facility.

Our factory-trained technicians are available for emergency service, 24-hours a day, and provide swift, practical and lasting solutions to the most complex heating and cooling difficulties.  AA Service Co strongly recommends annual maintenance to maximize performance, efficiency and system longevity.  We offer convenient service plans to make the most of your heating/cooling investment, and hope you’ll give us a call at 847-729-7889 to discover for yourself why AA Service Co is the most trusted name in HVAC.

Heating Repair • Air Conditioning Repair • AC Repair • Lake Forest