| 摘要 |
<p>The present invention is concerned with a method in which the heating of rooms is performed by using warm or hot air heating the way of a water central heating system, whereby the equivalent of the pipe system consists mainly of hollow heat-accumulating intermediate-floor or groundfloor structures and the equivalent of the heat radiators consists of the faces of said hollow structures which limit the room space. The air circulation system is sealed.</p> |
