EC733 software module allows to design and to check the correct sizing of a single chimney according to EN 13384-1 standard.

The chimney can be calculated in connection with a boiler (either standard or condensing), a fireplace or a combustion engine.


The software calculates a single chimney according to EN 13384-1 and supports:

  • boilers with a nominal power from 1 to 1.000.000 kW;
  • boilers using liquid, solid and gaseous fuels;
  • atmospheric boilers (without fan), forced draught (with flue extraction fan) and pressurized boilers (with combustion air fan);
  • draught regulators;
  • terminal chimney segment with different properties than those of the main chimney;
  • coaxial chimneys and connecting flue pipes;
  • circular, squared, rectangular and elliptical chimneys and connecting flue pipes;
  • calculation of the air supply pressure resistance;
  • calculation of the thermal resistance of chimney walls;
  • design and check of both negative and positive pressure chimneys;
  • detailed report of calculation results;
  • simultaneous calculation with an array of sizes for the chimney and the connecting flue pipes.

See also

List price
Version 4
400.00 €
360.00 €

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