Kurt Zentner & Sons

Since 1925, we have been a family-owned and operated business dedicated to delivering exceptional plumbing and HVAC services to residential, commercial, and industrial clients in Oshkosh, WI, and the surrounding Fox Valley region. Our commitment to quality workmanship, honest service, and long-term solutions is rooted in over a century of combined experience from our licensed technicians, including apprentices, journeymen, and master plumbers. We prioritize code-compliant installations, repairs, and maintenance while leveraging advanced systems and trusted equipment brands to ensure energy efficiency and reliability. Our reputation for professionalism and integrity has been built through decades of addressing unique customer needs with personalized service, from routine maintenance to emergency repairs. We handle all aspects of mechanical systems, including plumbing design for new construction, specialized piping for industrial facilities, and heating and cooling solutions tailored to Wisconsins climate.

Our teams expertise extends to hydronic boilers, ductless mini-splits, grease trap installations, and in-floor radiant heating, ensuring comprehensive coverage for every project. We emphasize transparency, competitive pricing, and rapid response times, fostering trust with homeowners, businesses, and facility managers who rely on our proven track record. By maintaining up-to-date training and adhering to industry standards, we guarantee durable results that meet both immediate and future demands. Our mission remains unchanged: to provide unsurpassed service and quality products while upholding the values of a family-run business that prioritizes customer satisfaction above all.