top of page

Which Excel calculationsheets for HVAC

HLS-Excel offers


intelligent  and practice-oriented Excel spreadsheet templates for recurring  calculations in the planning and execution of technical plants using ventilation technology, heating technology and refrigeration / cooling technology.


No Excel formulas are used in the spreadsheets.


There is a detailed description and documentation for all templates, a calculated example is included in the download file and, in addition to the integrated online help in the templates, you will find answers to important questions in the FAQ (currently only in German).


available calculation templates and tables

  • Dimensioning and pressure loss calculation of air ducts

  • Dimensioning and pressure loss calculation of heating and cooling ducts


Visit the website HLS-Excel, currently only in German. 

Please have the content translated by your browser.


bottom of page