Wentelax has been building boiler plants and heating networks since 1998. We have been operating in Finland since 2007. Since 2010, Wentelax has been operating in Latvia, Lithuania and Russia. Wentelax has been operating in England since 2014

Since 2015, a company called Vapor Estonia has been produced by OMP Group Oy and Wentelax OÜ, which produces boilers developed by Aurukatelde since 1959.