AA Service Co. Heating & Cooling

Big enough to get the job done, small enough to care!

AA Service Company Heating & Cooling is a family owned and operated Heating, Ventilating, and Air Conditioning (HVAC) contracting and service company who has been servicing the North Shore and Chicagoland area since 1965.

We are a full service contractor capable and experienced in all facets of today’s HVAC systems. Our focus is to maintain long-term customer relationships by providing quality service and installation contracting for Residential and Commercial projects.

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Recent Blog Post

• Ideal Humidity

  Ideal Humidity Experts say the recommended humidity level indoors is 40% to 50%.  Summer can bring high humidity that can make you uncomfortable andcan cause warped wood, dripping water pipes an
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  posted by AA Service Co. on Wednesday, 11 January 2012

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