Rely on our Nearly 100 Years of Plumbing & Heating Experience!

Plumber in Oshkosh, WI

Welcome to Kurt Zentner & Sons, Inc.

Plumbing, Heating & Cooling Since 1925

For more than 90 years, Kurt Zentner & Sons, Inc. has provided Oshkosh, WI and the rest of Fox Valley with superior heating, cooling and plumbing services. We pride ourselves on our promptness, efficiency, and quality. Each of our technicians are journeymen or master plumbers and pipefitters, so you know you can trust our work. We are also capable of performing plumbing, heating and air conditioning all on the same call.

About Us

We’ve been a trusted plumber and heating contractor in Oshkosh for 95 years. Call today for more information about how we can help you!



We serve both commercial and residential customers. From troublesome leaks to air and gas piping, we are the team you need!



Check out our work! We would love to help you with your next repair or your upcoming project.


We perform both commercial and residential services, including water heaters, new installs, air and gas piping, process water piping, hydronic boilers, and much more. We can conduct sewer televising services as well. We are quality-minded professionals who enjoy helping solve problems for our clients. Don’t trust your plumbing and heating systems to just anybody; put our 90+ years of experience to work for you today!


Kurt Zentner & Sons Plumbing & Heating technicians repairing an air conditioning unit

We look forward to working with you!

For more information about the services we provide, please contact us at 920-235-1340.



“Zentner & Sons is simply the best. They do excellent work!” – Jim S.

“The heat stopped working on a Saturday and Tony came right out to fix it. He made sure everything was working correctly before he left. We have always had fantastic service with this company.” – Todd R.

“Extremely friendly, timely, and knowledgeable staff. We will be using Kurt Zentner & Sons for all of our future plumbing and HVAC needs.” – Becky M.

“They are an awesome, professional and very qualified company! Tony took care of the problem immediately! Love this local company, they will always have my business!” – Joanne D.

“Have been using Kurt Zentner for years now. They are always prompt and responsive and the work is always excellent. Will continue to rely on them in the future.” – Jason K.