07/09/2026
💨 Bathroom staying damp after showers? The fan might not be the only problem 💨
We recently installed a new high-performance inline bathroom extractor fan in the loft, together with insulated ducting to improve ventilation and help reduce condensation.
Good bathroom extraction is essential. Poor ventilation can lead to:
✅ Black mould and mildew
✅ Condensation on walls and ceilings
✅ Peeling paint and damaged decoration
✅ Musty smells
✅ Excess moisture within the property
One detail that is often overlooked is the ducting.
Warm, moisture-heavy air travelling through a cold loft can cool quickly inside standard uninsulated ducting, causing condensation to form within the pipe. That moisture can collect, affect performance and even drip back toward the fan or bathroom.
That’s why we use insulated ducting where appropriate helping to reduce condensation inside the ductwork and improve the long-term reliability of the installation.
If your bathroom remains damp long after a shower, the mirror takes ages to clear or mould keeps returning, the issue may be inadequate extraction rather than just decoration.
AG Electrical provides professional bathroom extractor fan installation, inline fan upgrades, ventilation improvements and electrical fault finding across Billericay and surrounding Essex areas.