During the inspection of an existing home, the inspector notices that the bathroom exhaust fan is not venting properly. Which of the following actions should the inspector take?
- ARecommend the replacement of the exhaust fan with a higher CFM model.
- Inspect the vent pipe for obstructions or leaks.
- CInstall a carbon monoxide detector in the bathroom.
- DAdvise the homeowner to run the fan for longer periods.
Where to look it up
https://codes.iccsafe.org/content/IRC2024P1/chapter-15-exhaust-systems
Why B is correct
An obstructed or leaking exhaust path is a sensible condition to investigate before choosing a repair. This is a diagnostic reasoning scenario, not a quoted requirement that this specific diagnosis is mandated by IRC M1503.3. Actual inspection and work must follow the applicable exhaust provisions and equipment instructions.