1901 Inc.

We are a world-class HVAC, plumbing, and mechanical contractor serving customers all across Wisconsin and the Midwest

1901 Inc. is a HVAC, plumbing, and mechanical contractor serving customers in Wisconsin and across the Midwest. We design, build, install and service Heating, Ventilation and Air Conditioning (HVAC) and Plumbing Systems for commercial, industrial and residential applications.

For over a century we’ve been helping people live and work in comfortable and efficient environments. Our new name and logo reflect this heritage and reinforce our dedication to building, installing and servicing top-quality HVAC and plumbing systems.

Since we’ve changed our name to 1901 Inc. our leadership and staff are even more passionate about our industry and serving our clients to the very best of our ability. For over 100 years, 1901 has built a solid reputation on doing the job right, the first time.