01

Move damp air outside

A fan needs a clear duct route, suitable capacity and enough run time after bathing. Blocked grilles, long crushed ducting and early switch-off reduce performance.

02

Let replacement air enter

A tightly sealed room cannot exhaust air well without a route in, often below the door. Keep the bathroom door closed while showering so moisture goes to the fan rather than the home.

03

Warm the room and dry surfaces

Steady background heat reduces cold surfaces. Wiping heavy water, spreading towels and keeping the fan running shorten the time the room stays wet.

Fitted family bathroom with a sash window in a Glasgow tenement
Bathroom designed for a Glasgow tenement
Complete fitted bathroom with a freestanding bath in a Glasgow home
Complete fitted bathroom

What to remember

Improve the fan route and run time first, then support it with heat and simple drying habits.

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