This utility will calculate the Fabric and Ventilation heat loss from a room, thereby enabling a plumber or heating engineer to select a radiator with the correct heat output for that room.
The app will also keep track of the calculation for each room and give a total for the building, giving the total heat output required from the boiler
Units in BTU and Watts
Updated for iOS12
With Family Sharing set up, up to six family members can use this app.