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Before / after

Ventilation servicing: before and after, in photos

What our technicians find when they open a ventilation unit, and what they leave behind. Every photo comes from a real job and is not retouched.

Opening the unit, dusting the impellers and cleaning the casing are part of the servicing. Cleaning the valves is an option you tick when booking.

  • Fan compartment before servicing: black dust under the impeller and along the white housing.Before
    The same compartment after servicing, white housing clean and impeller dusted.After
    Fan compartment, unit opened
  • Removed fan impeller before cleaning: blades and scroll coated in a thick layer of grey dust.Before
    The same impeller after cleaning, black blades clean and the motor visible in the centre.After
    Impeller and motor of a heat-recovery unit
  • Open extract-only unit casing before servicing: dust on the floor and walls, cobwebs in a corner.Before
    The same casing after servicing, walls and floor clean, spigots clear.After
    Inside the casing of an extract-only unit
  • Open fan scroll before cleaning, walls lined with a thick layer of felted dust.Before
    The inside of the same scroll after cleaning, black shell clean.After
    Inside the fan scroll of an extract-only unit
  • Fan housing in the unit before cleaning, covered in dust with clumps of fibres.Before
    The cleaned housing, black and clean, with its connection ring.After
    The fan housing of an extract-only unit, before and after cleaning
  • Ceiling extract valve before servicing: the collar and disc are covered in grey dust and fibres.Before
    The same valve after servicing, white and clean, refitted on its duct.After
    Ceiling extract valve, heat-recovery unit in a flat
  • Open wall extract valve before servicing, filter and collar loaded with dust.Before
    The same valve after servicing, refitted and clean.After
    Wall extract valve, heat-recovery unit

Does yours look like the photo on the left?

The price is shown before you book, and you pay after the visit.

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