When designing heating systems, it is mandatory to carry out calculations of the capacity of heating devices. The result largely influences the choice of one or another equipment – traditional radiators free delivery and heating boilers (if the project is carried out for private houses, not connected to the central heating systems). The most popular at the moment are column radiators anthracite. They can have different numbers that you are comfortable with. If you need more than 8 columns for 29 square meters, you can always add some more.