News Harstad Wood-burning stove Nordflam The NORDflam Harstad is a cast iron wood-burning stove of 7 kW with 71% efficiency and energy class A. It heats spaces of up to about 70 m², with a with secondary gas combustion combustion chamber and ceramic glass resistant up to 700 °C so you can enjoy the view of the fire. €1,116.83 Price compare