About Us

Tarm USA, Inc., dba. Tarm Biomass, in business for over 20 years, imports and distributes HS-Tarm and Effecta boiler parts.  Tarm Biomass also represents several lines of heating accessory products such as LK Armatur mixing valves and valve controllers.

A blast from the past- A 1979 Popular Mechanics article on a HS Tarm OT Series boiler.