Developer's DescriptionBy SkySouls EngineeringThe application is designed for engineers HVAC working in the field of design and installation of ventilation systems.The application is designed for engineers HVAC working in the field of design and installation of ventilation systems.With this mobile application you can easily anywhere will be able to determine the area of air ducts and various shaped pieces, which is especially important in terms of construction.Supported parts (rectangular and round): straight ducts, bends, reducers (transition) and caps.