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About MEP Design Group, LLC
With an eye for aesthetics and a passion for thermal comfort design, Mark brings 25 years of HVAC design experience in a variety of project types.  In terms of design, Mark understands that communication is key, particularly listening. As a project manager Mark is adept at executing designs to meet even the most demanding schedules. 

When not inspecting the furnace in friends' homes or commenting on the air quality in various restaurants, Mark's interests include Scotch, cigars, hunting and his Scottish ancestry.  He is a proud father of four and married to his favorite architect, Jennifer.   
Mark McInnis, President
With a broad based knowledge of practical and cutting edge systems, we confidently navigate the best design solutions for our clients.  
We design comfort.  Founded in 2003, MEP Design Group LLC is an Illinois Professional Design Firm providing mechanical ventilation, electrical and plumbing engineering services to architects and property owners.  Our expertise in building system design is honed by over 25 years experience in a variety of building types and continually adapting to the latest industry innovations.