Multiple-occupancy residential developments with central air conditioning systems can demonstrate compliance with criterion 6 by incorporating filtration with a filter class of F7.
For single occupancy dwellings, it is sufficient to demonstrate that a suitable filtration system is incorporated in the installed HVAC system, in accordance with the manufacturers’ recommendations.
18-Nov-2022 Title amended to differentiate between residential and non-residential filtration KBCNs. 10-Oct-2022 Scheme applicability updated. 14-Dec-2020 Updated to account for single-occupancy dwellings.