Skip to content

Keeping Oshkosh Homes and Businesses Comfortable Since 1925

Full-Service HVAC and Plumbing Company

Kurt Zentner & Sons, Inc. has proudly served Oshkosh, WI, and surrounding communities in Winnebago County and the Fox Valley with expert plumbing and HVAC services for over 100 years. As a family-owned and operated company, we are committed to quality workmanship, honest service, and long-term solutions for both residential  and commercial clients. Whether you need routine maintenance, emergency repairs, or new system installation, our licensed technicians are here to help.

Call Today to Schedule Service or Request an Estimate!

What We Do Best

Plumbing

Plumbing

Whether you're dealing with a leaky faucet, a broken water heater, or planning a bathroom upgrade, our residential plumbing services have you covered. We offer expert repairs, replacements, and installations to keep your home’s plumbing running smoothly and efficiently.
Plumbing Services

Commercial and Industrial Solutions

Commercial and Industrial Solutions

Our team partners with businesses and industrial clients to deliver custom mechanical systems, including new construction plumbing design, specialized piping, grease trap installations, and more. We work directly with engineers, builders, and facility managers to get the job done right.
Commercial & Industrial Services

Heating

Heating

Stay warm through Wisconsin winters with our professional heating services. We install and maintain furnaces, hydronic boilers, radiant systems, and unit heaters to ensure reliable comfort in homes, businesses, and industrial facilities.
Heating Services

Air Conditioning

Air Conditioning

Beat the summer heat with our expert air conditioning services. Whether you need central air, ductless mini-splits, or a full HVAC system replacement, our team delivers energy-efficient solutions tailored to your space.
Air Conditioning Services

Plumbing

Plumbing

Whether you're dealing with a leaky faucet, a broken water heater, or planning a bathroom upgrade, our residential plumbing services have you covered. We offer expert repairs, replacements, and installations to keep your home’s plumbing running smoothly and efficiently.
Plumbing Services

Commercial and Industrial Solutions

Commercial and Industrial Solutions

Our team partners with businesses and industrial clients to deliver custom mechanical systems, including new construction plumbing design, specialized piping, grease trap installations, and more. We work directly with engineers, builders, and facility managers to get the job done right.
Commercial & Industrial Services

Heating

Heating

Stay warm through Wisconsin winters with our professional heating services. We install and maintain furnaces, hydronic boilers, radiant systems, and unit heaters to ensure reliable comfort in homes, businesses, and industrial facilities.
Heating Services

Air Conditioning

Air Conditioning

Beat the summer heat with our expert air conditioning services. Whether you need central air, ductless mini-splits, or a full HVAC system replacement, our team delivers energy-efficient solutions tailored to your space.
Air Conditioning Services

Why Us?

Trusted for Generations

Since 1925, we’ve built our reputation on professionalism, integrity, and customer satisfaction. Our team members are dedicated to providing safe, code-compliant service with the personal touch of a family-run business.

Full-Service Plumbing and HVAC

We’re your one-stop solution for residential, commercial, and industrial mechanical needs. From water heaters and boilers to air conditioning systems and piping design, we handle it all, so you don’t have to contact multiple companies.

Licensed Technicians. Proven Results.

Every member of our team is a licensed apprentice, journeyman, or master plumber or pipefitter. With decades of experience and up-to-date training, we deliver results that last and service you can trust.

Serving Oshkosh and Surrounding Areas

We proudly serve Oshkosh, WI, Winnebago County, and the Fox Valley with fast response times, friendly service, and competitive pricing. Whether you need a small repair or a full system replacement, we’re here when you need us.

Trusted for Generations

Since 1925, we’ve built our reputation on professionalism, integrity, and customer satisfaction. Our team members are dedicated to providing safe, code-compliant service with the personal touch of a family-run business.

Full-Service Plumbing and HVAC

We’re your one-stop solution for residential, commercial, and industrial mechanical needs. From water heaters and boilers to air conditioning systems and piping design, we handle it all, so you don’t have to contact multiple companies.

Licensed Technicians. Proven Results.

Every member of our team is a licensed apprentice, journeyman, or master plumber or pipefitter. With decades of experience and up-to-date training, we deliver results that last and service you can trust.

Serving Oshkosh and Surrounding Areas

We proudly serve Oshkosh, WI, Winnebago County, and the Fox Valley with fast response times, friendly service, and competitive pricing. Whether you need a small repair or a full system replacement, we’re here when you need us.

We Use What We’d Trust in Our Own Homes

Kurt Zentner & Sons, Inc. services plumbing and HVAC equipment from all major brands, but when it comes to new installations, we proudly recommend and install trusted products from manufacturers we know deliver long-term performance, energy-efficiency, and reliability.

See Why Our Customers Keep Coming Back

Ready to get started? Contact Kurt Zentner & Sons, Inc. today at 920-235-1340 to schedule service with Oshkosh’s trusted plumbing & HVAC team.