“A specific goal is the key to achieve the best in once performance

John D. Rockefeller II.

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at Thermobau.


The THERMOBAU WIRTHWEIN GMBH is a medium sized family run business, since 1979 we produce first class quality bimetallic thermometers.

Since 1996 THERMOBAU has been awarded certification under the current standard on quality management. High quality and safety standards are rigorously implemented in all our parts of our company.

Today, we are one of the leading companies for mechanical bimetal dial thermometers. We don't only see ourselves as manufacturer and supplier of industrial thermometers, but rather as a competent partner to provide you with comprehensive solutions.

family business

Grown Family Business

Manufacturing first class bimetal thermometers since 1979.

family business

Be the bestcustomer partner

Almost 1 million thermometers are now produced annually.

family business

Since 1996

...is Thermobau certified according to the quality management system.



Meanwhile nearly 1 Million Thermometers are produced annual, for home and abroad.

Because of our technical experience and our innovative ideas, we are in a position to offer our customers in different industries our complete range of products, such as standard thermometers, ventilation duct-, clamp-on or attachment thermometers, smoke gas-, insertion thermometers through to high-precision industrial and chemical thermometers or rail thermometers.

“Our family business tries to balance the interests of the company as well as the interests of modern family life of our employees and ourselves. ”
Thermobau Wirthwein

“The success of our business is based on our and our employees shared values and goals”
Thermobau Wirthwein

“Responsibility and loyalty are an important part of our work. ”
Thermobau Wirthwein

“Excellent quality, reliability and attention to detail is core to our business. ”
Thermobau Wirthwein

01 Jan 2019


Kerstin Wirthwein

Thermobau Wirthwein KG becomes Thermobau Wirthwein GmbH

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18 Dec 2015

Company tour


Christmas market

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16 Dec 2011

Christmas Party 2011

Party 2011

10-year company affiliation

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16 Feb 2011

10-year company affiliation

Jochen Guttroff

10 Years at Thermobau 

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Thermobau Wirthwein GmbH
97993 Creglingen

Thermobau Bimetall-Messtechnik Logo

Thermobau Wirthwein GmbH
Walter-Wirthwein-Straße 12
97993 Creglingen


Tel: +49 (0) 79 33 / 99 00 - 30
Fax: +49 (0) 79 33 / 99 00 - 32
E-Mail: mail@thermobau-wirthwein.de