GB Gas Ventilation Calculator at App Store analyse

App power index: 235 (based on ranks around App Stores today)
Business Utilities
Developer: GB-GAS.CO.UK
Price: 0 free
Current version: 5, last update: 1 year ago
First release : 26 Mar 2011
App size: 3.71 Mb
4.4 ( 7104 ratings )
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Estimation application downloads and cost

> 5.17k
Monthly downloads
~ $ 2.12k
Estimation App Cost


A Gas Ventilation calculator for working out ventilation requirements for gas appliances. Open flued, Room sealed, Flueless appliances.
This gives you the option of working out ventilation when more than one appliance is fitted in a room.
For existing and new ventilators you can calculate the free air area of the vent to work out if its suitable for the appliance(s) it is feeding.
No more formulas and calculations to remember, read the heat input from the appliance data badge and press calculate.
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Available in countries
Country Price
Canada 4.99 CAD
China 28 CNY
France 3.99 EUR
Germany 3.99 EUR
Italy 3.99 EUR
Netherlands 3.99 EUR
Portugal 3.99 EUR
Spain 3.99 EUR
Poland 4.49 EUR
UK 3.99 GBP
India 399 INR
Japan 600 JPY
Korea, Republic Of 5500 KRW
Poland 19.99 PLN
Russia 349 RUB
Turkey 129.99 TRY
USA 3.99 USD
Korea, Republic Of 4.39 USD
Ukraine 4.99 USD
Available for devices
iPhone3GS, iPadWifi, iPad3G, iPhone4, iPodTouchThirdGen, iPodTouchFourthGen, iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX, iPad75, iPad76, iPhoneXS, iPhoneXSMax, iPhoneXR, iPad812, iPad834, iPad856, iPad878, Watch4, iPadMini5, iPadMini5Cellular, iPadAir3, iPadAir3Cellular, iPodTouchSeventhGen, iPhone11, iPhone11Pro, Watch5, iPadSeventhGen, iPadSeventhGenCellular, iPhone11ProMax, iPhoneSESecondGen, iPadProSecondGen, iPadProSecondGenCellular, iPadProFourthGen, iPadProFourthGenCellular,