Excel Mechanical Services has been a recognized leader in mechanical HVAC construction in the Chicago area with capabilities spanning a wide range of HVAC services and mechanical systems while serving commercial, institutional and industrial markets. Excel Mechanical Services contractors offer innovative and cost effective construction services on plan and spec, value engineered, and design/build projects, with engineering that utilizes Building Information Modeling (BIM) and 3D Capabilities. As full service mechanical contractors, Excel Mechanical Services offers 24/7/365 emergency HVAC service in addition to preventative, full service, and custom maintenance programs tailored to meet our clients’ specific needs. We also offer commercial energy assessments and audits for your HVAC systems.