Performance · Worldwide
Downloads & Revenue estimates
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Rating · WW
5.0★
1 ratings
Chart position
Apple's Top Paid chart — paid apps ranked by recent downloads.
Ratings count — US
Not enough history yet.
Listing
The Gas Ventilation Calculator will help you find the required ventilation sizes for domestic 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 fires. Enter the dimensions of the room and the heat input of the appliance and the calculat
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