Technical Calculations

Air-conditioning * Refrigeration * Heating * Ventilation * Plumbing

Calculate and design the Air- Conditioning and ventilation systems:

 

  • U- Factor calculation according to DIN EN ISO 6946.
  • Cooling load calculation of air- conditioned Rooms according to German VDI 2078 or ASHRAE standard (CLTD method).
  • Air duct design for residential buildings.
  • HVAC duct calculation and sizing.
  • Calculation of Pressure-loss and Heat-loss/-gain.
  • Calculation of amount needed for material and insulation for air ducts - German DIN 18379.
  • Piping design and sizing.
  • Pressure drop calculation.
  • Calculation of all air-conditioning processes with Mollier h-x Diagram
  • Equipment selection.
  • ........etc.

Calculate and design central heating systems:

 

  • U- Factor calculation according to DIN EN ISO 6946.
  • Heating load calculation according to DIN EN ISO 12831 or ASHRAE standard(CLTD method).
  • Layout of radiant heating systems.
  • Layout of heating appliances (according to the German norms ).
  • Central heating design according to German DIN 4725 III, European EN 1264.
  • Piping design and sizing.
  • Pipe Net Calculation.
  • Heating pipe analysis with graphic interface - based on German VDI 3805 data.
  • .....etc.

Calculation of the water warming plants:

 

  • Determination the hot water demand.
  • Determination the heat demand.
  • Engineering and design water heaters.
  • Size selection of the equipment.
  • Design of hot-water Network
  • Hot water pipe sizing.
  • Pressure drop calculation according to German DIN 1988 and DIN EN 12056.
  • Hot water pipes analysis with graphic interface - German DIN 1988.
  • ......etc.

Calculation of the cold water plants:

 

  • Design of cold water Network.
  • Cold water pipe sizing.
  • Pressure drop calculation according to German DIN 1988 and DIN EN 12056.
  • Cold water pipes analysis with graphic interface - German DIN 1988.
  • ......etc.

Calculation of the drainage plants:

 

  • Design, sizing and calculations the sewage-, rain water-, mixing water-, and ventilation pipes according to German DIN 1988 or European EN 12056.
  • Water pipe analysis with graphic interface - according the German DIN 1986-100, or the European EN 12056.
  • ......etc.

Economic Calculations

 

  • Standard-compliant economy calculation of technical systems according to German VDI 2067.
  • ......etc.

Construction Contract Planning, Preparation and Tendering.