The fireplace cassette Bernstein 3 from Der Kamindoktor reaches up to an eightfold efficiency and unbeatable pollutant values compared to open fireplaces. Fast heating up, currentless automatic control of the air supply and a nice dance of the flames bring warmth comfort to the top.

+ increasing the efficiency by 10 to 15 percent fo the open fireplace up to 84.1 percent
+ besides doorhandle and cinder shaker, no more operating elements are necessary
+ automatic control of the supply of primary, secondary and tertiary air
+ flue gas diversion creates afterburning and ideal use of the heating energy
+ radition heat via the window and convection heat by air-carrying tubes at the transition