ProServ offers Milwaukee comprehensive residential and commercial plumbing, heating, and cooling services. We are ready to serve the Milwaukee and surrounding metro area 24 hours a day – 7 days a week. Accredited by the Better Business Bureau and the Milwaukee Builders Association, expect the best plumbing and HVAC services. ProServ is family owned and operated by Jon Weis, Master Plumber/HVAC Contractor. He was trained by the U.S. Air Force to maintain plumbing, heating, cooling systems. ProServ is the best choice to service residential and commercial plumbing and HVAC system