The most original invention since the electric light bulb! Although a heatball is technically very similar to a light bulb, it is a heater rather than a source of light.
Heatballs fit into commonly found E27 and E14 sockets. Its efficiency [more...] is unprecedented.
In passively heated houses, light bulbs are a substantial source of heat. When these are substituted with energy saving lamps, the missing heat has to be introduced by other means.. [more...]
It is our duty to use the natural energy reserves of our planet judiciously to make it a comfortable living environment for future generations.