Gas Ventilation Calculator 1.2

193.99 MB
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Publisher Description

The Gas Ventilation Calculator will help you find the required ventilation sizes for flueless, open flue and room sealed appliances up to 70kW (net). It also supports multiple rooms, multiple appliances and includes an extractor fan calculator and a vent size calculator.Flueless:This calculator will find the required vent size for flueless appliances such as cookers, grills, water heaters and space heaters. Enter the dimensions of the room and the heat input of the appliance and the calculator will find the vent size required or advise if no vent is needed or that the appliance should not be fitted in that room.Open Flue:Enter the appliance heat input and select whether adventitious air is available or if the appliance is in a compartment and the calculator will find the required vent sizes.Multiple Rooms:For an open flue appliance where the path to outside is via another room use the 'Walls to outside' option within the Open Flue Calculator to select the number of walls vents need to be fitted into. It will also take into account adventitious air or if the appliance in a compartment as per the selected options.Room Sealed:For a room sealed appliance simply enter the heat input and the calculator will find the vent sizes required if the appliance is in a compartment.Multiple Appliances:For multiple appliances in one room this app simply provides a guide to remind you of the regulations. The other calculators will then need to be used to find the required vent size.Extractor Fan:To find the required performance of a fan for a room enter the room dimensions and type and the performance will be found using pre-set air change rates. A manual ACH can be entered also.Vent Size:A calculator is included to find the total size of a vent with rectangular or circular holes.***Mr Combi Training would love your feedback on this app and suggestions for other apps that Heating Engineers would find useful. Please contact us at

Gas Ventilation Calculator is a free software application from the Other subcategory, part of the Development category. The app is currently available in English and it was last updated on 2013-04-22. The program can be installed on Android 1.6 and up.

Gas Ventilation Calculator (version 1.2) has a file size of 193.99 MB and is available for download from our website. Just click the green Download button above to start. Until now the program was downloaded 401 times. We already checked that the download link to be safe, however for your own protection we recommend that you scan the downloaded software with your antivirus.

Program Details


Publisher Mr Combi Training
Released Date 2013-04-22
Languages English


Category Development
Subcategory Other

System requirements

Operating systems android

Download information

File size 193.99 MB
Total downloads 401


License model Free
Price N/A

Version History

Here you can find the changelog of Gas Ventilation Calculator since it was posted on our website on 2014-06-14. The latest version is 1.2 and it was updated on on 2018-03-28. See below the changes in each version:

version 1.2

posted on 2013-04-22

version 1.2

posted on 2013-04-22

Several fixes and updates

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Users Rating:  
  5.0/5     1
Editor Rating:  
Downloads last week: 14
Release Date: 2013-04-22
Publisher: Mr Combi Training
Operating System: android
Type: Free