Bathroom Exhaust & Ventilation
Ventilation matters as much as waterproofing — a wet room with no airflow grows mould fast. A good fan should clear visible steam within 10–15 minutes. Pricing is shown per country; regions marked "being researched" are coming soon.
Ventilation options
Ceiling-Mounted Exhaust Fan
A fan set into the ceiling that pulls moist air out through a duct to the outside. The simplest, most common option.
Advantages
- Cheapest and simplest
- Easy to source and fit
- Plenty of models
Disadvantages
- Motor noise is in the room
- Must be ducted OUTSIDE, never into the roof cavity
Indicative pricing
Inline Fan (ducted)
The motor sits away from the room in the duct run, connected by a grille. Much quieter and more powerful.
Advantages
- Very quiet (motor is remote)
- Strong extraction
- Good for longer duct runs
Disadvantages
- Costs more
- More involved install
- Needs duct space
Indicative pricing
3-in-1 Heat / Light / Fan
A combined ceiling unit with a heat lamp, light and exhaust fan — handy in a tiny bathroom where space and wiring are tight.
Advantages
- Three functions in one fitting
- Saves ceiling space
- Warmth on cold mornings
Disadvantages
- Heat lamps draw a lot of power (tough off-grid)
- Dearer upfront
Indicative pricing
12V Fan (off-grid) + Window
A low-voltage fan that runs off your battery system, often paired with an opening window for natural cross-flow.
Advantages
- Runs on 12V solar/battery
- Very low power draw
- Window adds free natural airflow
Disadvantages
- Lower extraction than mains fans
- Window alone is not enough in winter
Indicative pricing
Companies & suppliers by country
USA
Being researched
Canada
Being researched
UK
Being researched
Europe
Being researched