As a company with big capabilities, Aaron & Trecker Heating & Air Conditioning provides the conscientious service that makes all the difference.  When you rely on us for a full range of commercial HVAC, commercial boilers, and water heating services in Lake Zurich & the Surrounding Suburbs, you’re not a number on an invoice or just another job.  Your specific needs, goals, and expectations are important to us.  Our NATE-certified, factory trained, and uniformed technicians customize strategies to optimize your day-to-day operations, taking new installation, seasonal upkeep, and repair service as an opportunity to maximize return from your investment.

Reliable Commercial HVAC & Water Heating Service in Lake Zurich, Wheeling, Palatine, Hawthorn Woods, Barrington, Buffalo Grove & Vernon Hills, IL

Aaron & Trecker Heating & Air Conditioning streamlines our commercial services across Lake Zurich, Wheeling, Palatine, Hawthorn Woods, Barrington, Buffalo Grove & Vernon Hills, IL to minimize downtime.  Prioritizing safety, energy efficiency, durability, and ease-of-management of your essential systems, we trim your bottom line while enhancing convenience, comfort, and sustainability.  When you call us at 847-613-4313, we handle the rest.  Swift response and turnaround, state-of-the-art technology, and a team of dedicated professionals makes it simple and affordable to maximize the comfort, health, and productivity of your facility.  Aaron & Trecker Heating & Air Conditioning is available to provide expert assistance 24/7 across Lake Zurich, Arlington Heights, Deer Park, Long Grove, Inverness, North Barrington & South Barrington, IL.

Commercial HVAC Maintenance


We offer customized commercial maintenance plans based on the HVAC equipment that is installed at your location. Please call today and ask for our commercial specialist to complete a “FREE” customized annual maintenance plan quote for your building annual maintenance needs. Annual maintenance can include filter change outs for your equipment.
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HVAC Service & Repair

We offer 24 hour 7 day a week service so your business downtime is minimized. Our highly trained commercial technicians will get your equipment up and running as fast and efficiently as possible. We service all makes and models.
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Heating & Air Conditioning Installation

We offer a wide array of light commercial products, IEEC compliant, including rooftop units, commercial split systems, chillers, boilers, hot water tanks, hot water heaters, furnaces, air conditioners, fan coils, air handlers, dedicated make-up air units, ductless, infrared heaters, electric specialty heaters, unit heaters, thermostats, controls, and more. Call our commercial specialist today for a “FREE” professional quote. Our dedicated team looks forward to finding the right solutions for your commercial project. Leasing options are available through our leasing partner, Horizon Keystone. Horizon Keystone offers leasing up to 200k per project.
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