Contact Us


Ready for exemplary customer service and the Chicagoland’s most qualified, proven and respected HVAC company since 1952? Then contact Merts Heating & Air Conditioning today. Call us at 833-52MERTS (833-526-3787), with 24-hour emergency service available. We have two locations to better serve you in Steger, IL and Crown Point, IN. Our service area includes a 25-mile radius from both locations.

Call us today to find out more about our special tune-up offers. Thanks in advance for contacting Merts, we look forward to working for you!

Quality & Honesty Since 1952.


Mon – Fri: 7AM – 5PM
(w/ 24-hr emergency service)

Illinois Location:

3102 Louis Sherman Dr; Steger, IL 60475