Services: Free Design Tools

As a specialist in natural ventilation, we appreciate the complexities of ascertaining the building’s specific requirements. In order to help you simplify the process, we have created some user-friendly free design tools. Cold Draught Calculator – simply input your room dimensions, number of occupants, and average temperature to determine the minimum acceptable air temperature delivered at occupied height within the space. CO2 Build up Calculator – to understand the minimum required fresh air flowrate to maintain good indoor air quality, simply input the room dimensions, number of units average age of occupants and room area. Please download the tools here and if you have any questions, we’d be very happy to help guide you and help you find the ideal solution for your needs.

Cold Draught Calculator

CO2 Build up Calculator


Breathing Buildings