From Design to Service Since 1955


Welcome to Fitzenrider, Inc.

Fitzenrider Inc. in Defiance, OH has been providing heating, cooling and ventilation system installation and repair to northwest Ohio since 1955.

We are licensed, insured mechanical contractors specializing in residential and commercial heating systems, air conditioning and refrigeration systems. We also provide sheet metal fabrication for air ducts, dust collection systems and many other purposes.

Whether you have hot air heating, oil heating, gas heating, hot water heating or other cooling or heating system, our expert HVAC technicians and superior products will keep your home or business comfortable – at prices you can afford.

Fitzenrider Inc
Our technicians are all NATE® certified. NATE® is the leading non-profit certification program for technicians in the heating, ventilation, air-conditioning and refrigeration (HVAC/R) industry and the only test supported by the entire industry.

Trustworthy workmanship and on-the-spot service have distinguished Fitzenrider Inc. for more than 50 years. We have repeatedly earned the top quality awards of Trane and York, makers of leading-brand heating and cooling equipment.

Our installers and service technicians are courteous, thorough and neat. Evening and weekend appointments are available.

Expert Technicians – Superior Products


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All of our technicians
are NATE Certified.

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