About

Grunau Company is a mechanical contractor serving the southeast Wisconsin area's industrial, commercial, and educational campuses since 1920 and now open in Kenosha, joining their local fire protection branch, Flannery Fire Protection. They offer design, installation and service for HVAC, plumbing, fire protection, underground utilities, and specialty metal systems, with 24/7 emergency service. Additionally, they reduce possible future problems with Grunau's and Flannery's comprehensive planned maintenance, inspection, and testing capabilities.