Capitol Mechanical, Inc. along with Capitol Air Systems, is a full-service HVAC contractor serving Wisconsin since 1971. We provide complete HVAC engineering, installation and maintenance for new and existing commercial and industrial buildings. Our dedication to detail creates a comfortable indoor environment for any season.

OUR MISSION. Our mission is to create comfort. Today's client needs an environment that is reliable, comfortable and efficient. We will care for your system from conception throughout the company.

OUR ABILITIES. With a wide range of expertise, our highly-trained professionals work with our clients to create the best environment. As creative problem solvers, we keep pace with the latest industry developments and integrate them into our proven systems. From geothermal to heat recovery to traditional HVAC systems, we know how to design install and maintain the most efficient and cost effective system developed around our client's requirments.