| Ceiling-Mounted Exhaust Fan | 80–150 CFM
136–255 m³/h | Small to medium bathrooms, approximately 4–10 m² | 25–40 dBA | 15–35 W | Usually designed for damp locations; the exact rating varies by model | Ceiling, connected to an outdoor duct | Evenly removes humid air and works well with central bathroom layouts | Requires ceiling access and properly routed ductwork |
| Wall-Mounted Exhaust Fan | 70–140 CFM
119–238 m³/h | Small to medium bathrooms, approximately 3–8 m² | 30–45 dBA | 18–40 W | Suitable for damp environments when correctly installed | External wall with a short direct exhaust route | Simple installation and often lower duct resistance | May be less suitable for bathrooms without an exterior wall |
| Inline Duct Fan | 100–250 CFM
170–425 m³/h | Medium to large bathrooms or bathrooms with long ducts | 20–35 dBA at the grille | 25–70 W | Fan location may be outside the wet area; duct and grille still need moisture-suitable materials | Inside the ceiling or attic, connected to one or more grilles | Quiet operation at the bathroom grille and strong duct performance | More complex installation and additional space are required |
| Low-Profile Ceiling Fan | 50–110 CFM
85–187 m³/h | Compact bathrooms, approximately 2–6 m² | 28–42 dBA | 12–30 W | Commonly available for damp-location use | Shallow ceiling cavities and compact residential bathrooms | Space-saving design and relatively straightforward replacement | May not provide enough airflow for large bathrooms or long ducts |
| Heat-Recovery Ventilator | 60–180 CFM
102–306 m³/h | Well-sealed homes and bathrooms requiring continuous ventilation | 25–40 dBA | 30–100 W | Designed for controlled ventilation; bathroom grille and ductwork must resist moisture | Ceiling, utility space, or mechanical room | Provides fresh-air exchange while recovering part of the indoor heat | Higher initial cost, more maintenance, and greater installation complexity |
| Fan with Humidity Sensor | 80–150 CFM
136–255 m³/h | Small to medium bathrooms with frequent shower use | 25–45 dBA | 15–40 W | Must be rated for the intended damp or wet-location installation | Ceiling or wall, depending on the model | Automatically increases ventilation when humidity rises | Sensor settings may require adjustment to prevent unnecessary running |
| Fan with Timer Control | 70–150 CFM
119–255 m³/h | Most small and medium residential bathrooms | 25–45 dBA | 15–40 W | Depends on the specific fan and electrical installation | Ceiling or wall with a suitable exhaust duct | Continues running after the light is switched off, helping remove residual moisture | Requires compatible wiring and correct timer adjustment |
| Multi-Function Fan with Light | 80–150 CFM
136–255 m³/h | Small to medium bathrooms where ceiling space is limited | 30–50 dBA | 25–80 W, including lighting | Ventilation and lighting components must comply with bathroom installation requirements | Ceiling-mounted locations with an electrical supply | Combines ventilation and lighting in one ceiling unit | More components can increase installation time and maintenance needs |
