Layout of a Tonwerk storage heating stove
The heart of a Tonwerk storage heating stove is the ceramic storage core (6) of ultra heat-conducting, refractory stone. When wood burns this core absorbs and retains over 60% of the released energy which it later emits slowly back to the environment as radiated heat (10). The stove's direct emission of heat is therefore reduced to a pleasant rate of radiation, and the room does not quickly overheat as a result. The radiated heat (10) keeps the temperature at a feel good level for many hours. At the same time the low surface temperature causes less air and dust turbulence – and allergy sufferers can breathe freely.
In the ceramic combustion chamber (2) of the Tonwerk storage heating stove the wood burns from top to bottom (3). In the integrated afterburner zone (4) the combustible gases are again burned. Flue gas emissions are therefore minimised. The supply of external combustion air (1) assures the optimal burning efficiency.
The handcrafted outer panelling (9) of the Tonwerk storage heating stove is available in various colours and textures. This in combination with the various stove models can give your Tonwerk storage heating stove that individual touch.
- supply of external combustion air
- ceramic combustion chamber
- top down combustion of wood
- afterburner zone
- window air wash
- heat exchanger / ceramic storage core
- ﬂue gas outlet
- thermal insulation
- hand-cast outer cladding
- radiated heat
Heating Principle Video
A genuine storage heating stove is tested under the stringent standard DIN EN 15250 for slow heat release appliances. Most of the competitor products though are designated flue stoves with integrated storage. These are tested solely under the standard EN 13240 for room heaters, or slow burning stoves that must be brought up to temperature and constantly refuelled - in stark contrast to the properties of a genuine storage heating stove. By definition, a slow burning stove is not a storage heating stove! Thanks to topdown combustion and a heavy duty ceramic core the Tonwerk storage heating stove is fired with a full load of wood and so brings to bear its full range of strengths. And you don't have to keep on refuelling.