Stay Warm All Winter with Kurt Zentner & Sons, Inc.
Full-Service Heating Experts Serving Oshkosh, WI Since 1925
When the temperatures drop in Oshkosh, WI, you need a heating system you can depend on. At Kurt Zentner & Sons, Inc., we provide heating and air conditioning installations, repairs, and maintenance for both residential and commercial clients. From furnace installation to forced air systems, our licensed technicians work with trusted equipment brands and advanced systems to ensure your comfort all season long.
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Our Heating Services
We offer complete heating services that keep homes and businesses warm through Wisconsin’s harsh winters. From new installations to routine maintenance and emergency repairs, our team delivers dependable results backed by decades of experience.
Forced Air
Forced air systems are a popular and efficient way to heat homes and businesses. We install, repair, and maintain gas furnaces that deliver warm air through a network of ducts. Our team ensures proper airflow, energy efficiency, and reliable performance throughout the heating season.
Hydronic Boilers
Hydronic boilers heat water and circulate it through pipes to provide consistent, even warmth. We install and service high-efficiency IBC boiler systems ideal for radiant flooring or baseboard heating. These systems offer quiet operation and superior energy savings for residential and commercial properties.
Radiant Systems
Radiant heating delivers comfortable warmth directly from the floor or wall panels without blowing air. We design and install in-floor radiant heating systems that provide even, draft-free heat and reduce airborne allergens—perfect for homeowners looking for comfort and energy efficiency.
Unit Heaters
Ideal for garages, workshops, warehouses, and industrial spaces, unit heaters provide direct, high-powered heating where central systems may not reach. We install and service gas and hydronic unit heaters that keep your space warm even in extreme cold.