News
The Heat Loss app has been updated, adding a function has been added to insert rooms from an image file with a schedule.
13.06.2026
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A version of the HVAC Calculator has been created for mobile browsers on Android and iOS.
09.01.2026
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All online applications have been updated and now have a dark theme.
04.01.2026
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The Heat Loss app has been updated, adding a function has been added to insert rooms from an image file with a schedule.

The application recognizes the room schedule table using AI and adds these rooms.

13.06.2026

A version of the HVAC Calculator has been created for mobile browsers on Android and iOS.

09.01.2026

All online applications have been updated; a dark theme has been added to them. Check the application settings.

04.01.2026

The Heat Loss app has been updated, featuring:

  • Added the ability to import envelopes from existing projects.
  • The room list table now has an extended view with two additional columns: "Specific heat loss" and "Percentage of total heat loss".

You can create a project with frequently used envelopes, allowing you to have an envelope template for import.

The extended table data is color-coded, helping to analyze which rooms have suspiciously high heat loss.

02.24.2025

The HVAC Calculator and Ductwork Surface have been updated to include the ability to mark table items with color and add notes.

02.01.2025

All online applications have been updated, with the ability to save and load calculations from the cloud added. Now all your calculations are accessible directly in the browser.

You can also save using the familiar Ctrl+S shortcut.
14.11.2024

The Heat Pump app has been updated, featuring:

  • Calculation of CO2e emissions added.
  • Calculation of the cost of liquid fuel added.
  • Choice of air source or ground source heat pump added.
  • Bivalent temperature management tools improved.
  • Color indication of the optimal bivalent temperature area added.
  • Improved stability.
08.06.2024

The HVAC Calculator app has been updated, featuring:

  • Refined design.
  • Added support for new versions of Android.
  • Added Ukrainian language.
  • Improved stability.
  • Added privacy policy.
04.05.2024

A new application has been released Heat Loss. The application allows you to perform calculation of the heat load, thermal envelope, radiators.

02.01.2024

The Heat Pump app has been updated, climate data has been added for the following cities: Voru, Turi, Haapsalu, Parnu, Tamsalu, Kuressaare, Valga, Saldus, Ventspils, Jekabpils, Panevezys, Siauliai, Bursa, Kajaani, Kokkola, Lappeenranta, Pori, Vaasa, Bourges, Caen, Le Mans, Limoges, Nancy, Bremen, Erfurt, Kassel, Laage, Ulm, Bournemouth, Helston, Newcastle upon Tyne, Norwich, Pembrey, Bolzano, Celico, Firenze, Genova, Pescara, Alesund, Roros, Bydgoszcz, Lodz, Olsztyn, Poznan, Swinoujscie, Linkoping, Vaxjo.

11.12.2023

A new application has been released Aerodynamics. The application allows you to perform an aerodynamic calculation of ventilation systems, draw an isometric ventilation scheme, obtain specification and a final table of calculation.

  • Get pressure drop, air flow and velocity in ventilation systems.
  • Get the estimated direction of the ventilation network.
  • Perform automatic duct sizing.
  • Draw isometric scheme of ventilation systems.
  • Add, copy, edit, remove or move systems.
  • Use a large set of system elements and editing tools.
  • Use various settings for the calculation and drawing of the scheme.
  • Get a table of aerodynamic calculation and systems.
  • Get specifications for materials and equipment.
  • Save the table of aerodynamic calculation, systems, specifications to an Excel file.
  • Save and load calculation results in a project file or cloud.
  • Use the math calculator for additional calculations.
  • Get the most up-to-date version of the application. Update is not needed.
  • Use the application at any PC at any time. Installation is not needed.
22.09.2022

The HVAC Calculator app has been updated, the ability to create a favorites calculation category was added.

27.07.2022

A new application has been released Heat Pump.

18.07.2022

The site is in operation.

10.06.2022