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An industry leader in the Mundelein, IL area and in northern Chicago suburbs for more than two decades, Oelerich HVAC are a family owned and operated business offering a wide range of services in HVAC installation and repair and related areas. If you're in Mundelein or a northern Chicago suburb and you need something done about your heating, cooling, and ventilation, then you've probably already had their name recommended to you. Their services include weatherization and attic insulation as well as the standard heating and air conditioning services. They even cover financing and stand-by generators if you ever need power in an emergency.

Oelerich HVAC offers Trane brand equipment which, if you have any experience in the HVAC industry, you know is about as good as an HVAC unit gets. As Trane Comfort Specialist™, Oelerich HVAC is expected to know the product better than anyone, requiring continued training beyond simply learning how the unit works and how to install it. Oelerich HVAC has spent twenty years establishing themselves as the HVAC service in the area, and their knowledge of Trane brand heating and cooling equipment tends to go hand in hand with that.



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Wells Fargo Financing


Mundelein, Illinois 60060


NATE Certified
Charter Member
24/7 Emergency Service