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With improvements in dwelling airtightness and increased use of Mechanical Ventilation and Heat Recovery Systems (MVHR), getting ventilation right in buildings has become critical. This BSRIA guide will address these issues.
With the improvements in dwelling airtightness over the past few years, and increased use of systems such as Mechanical Ventilation with Heat Recovery (MVHR), getting the ventilation right in dwellings has become more critical. In 2010, a requirement for mechanical ventilation air flow rate testing in dwellings was written into the England & Wales Building Regulations.
This BSRIA guide was first published in 2013, describing the conditional and unconditional methods of airflow measurement. The 2015 edition also describes a third method, the minimum benchmark method.
Contents include:
The test work to support the methodology recommended in this guide was undertaken independently by BSRIA. Read report