Ventilation · Windows and trickle ventsWindows and trickle vents
Windows and trickle vents
Background fresh air.
A window or trickle vent lets fresh air into the room, helping the extractor fan do its job. It complements the fan rather than replacing it.
- Role
- Background ventilation
- Works with
- The extractor fan
- Trickle vents
- In window frames
- Doesn't replace
- The fan
What it is
Small vents in window frames, or opening windows, that let air in so moist air can be drawn out.
Good for
Airflow
Replacement air helps the fan work.
What to weigh up
Winter
Open windows lose heat; trickle vents are gentler.
Planning ventilation?
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