UVGI is recommended in Approved Document F, but how effective are standalone uv air purifiers for non-residential buildings? This article runs through when and when not to use them for your air cleaning solution.
CIBSE, SAGE and now the updated Part F of the building regulations recommend UVC or HEPA for recirculating HVAC systems. This article compares their energy use.
This article discussing options for improving indoor air quality was published in ACR News' May 2021 Issue