Decentralised Mechanical Extract Ventilation (dMEV)

Our highly efficient Domus dMEV range offers continuous low level ventilation – to a single wet room, coupled with virtually silent operation.

Also known as System 3 in Approved Document F of the Building Regulations, decentralised Mechanical Extract Ventilation (dMEV) systems incorporate continuously running extract fans, designed to remove waste and moist air from a single wet room. dMEV fans continuously extract the waste air at both low trickle or boost speeds, as determined by the homeowner through a range of control options. Replacement fresh air is then drawn into the dwelling via background ventilators located in the habitable rooms.

Filter products


Code no. Size & length Colours Pack qty
D-DMEV150 6" Full details
D-dMEV 150 (6”) fan
D-DMEV100 4" Full details
D-dMEV 100 (4”) fan


Code no. Size & length Colours Pack qty
DME100C 100mm 1 Full details
dMev Fan