1927
1962
1970
1990
2019
1927
Creation of Calorstat by Edgar B Frank

The creation of Calorstat in 1927 marked the start of a family history destined to become a worldwide success. A story where innovation, passion, demanding standards and performance are shared by all.

1927
An instant success

As a thermostat manufacturer, Calorstat won over the majority of the automobile market. High quality and performance were already a company hallmark.

1935
Temperature specialist

The temperature regulator for central heating boilers emerged.

1950
To be innovators

The metal-bellows type thermostat came into widespread use in the automobile industry. Two years later, the Vernet processes were created.

1962
Built on strong foundation
1962
A significant step

Vernet was acquired by Calorstat.

1965
A real technological achievement

Vernet had a major lead in the thermal regulation market. The “wax” thermostatic element was launched. An innovation which set Vernet apart from its competitors.

1970
Thermostatic everywhere
1970
Home sweet home

The first thermostatic elements for heating and plumbing sanitary were designed. They quickly established themselves as reference products.

1976
First step in USA

Vernet created its USA subsidiary “Caltherm” (called “Vernet US” from 2018).

1990
Discover new horizons
1991
Back to basics

The Calorstat by Vernet brand was relaunched to sell its full spectrum of spare parts produced by the company.

1995
North and South American presence

Plant is opened in Argentina.

2006
Move eastwards

Vernet Zhuhai was inaugurated in China.

2009
Ensuring ongoing growth of our activities

Acquisition of the HVAC Sanitary Division of Behr ThermoTronic.

2015
Complete American continent presence

Creation of Vernet Mexico.

2019
To build tomorrow
2019
Vernatherm by Vernet is born

Acquisition of Rostra Vernatherm, thermal management manufacturer (Connecticut, USA).