Poor Airflow Investigation
Emily Clarke
10 February 2026
Summary
Investigated poor airflow from extract; cleaned fan and filters; issued temporary fix.
Areas Inspected
Airflow measurements
OKMonitoring will continue over the next week.
Duct condition
OKDuct was inspected, condition is acceptable temporarily but needs fixing.
Filter status
INTERVENTION REQUIRED- Filters clogged
Filters were clogged, cleaned during the visit, but require replacing.
Fan operation
INTERVENTION REQUIRED- Fan impeller dirty
Fan impeller was dirty and cleaned to restore airflow.
Actions Done On Site
- Checked airflow measurements
- Inspected duct condition
- Checked filter status
- Cleaned filter and impeller
Actions for Service Provider
- Send quote for replacement inline fan, new filter set, and duct seals
Actions for Client
- Monitor airflow measurements for changes
Quote Required
Firm up temporary fix with replacements.
| Item | Quantity | Priority |
|---|---|---|
| Replacement inline fan | 1 | Medium |
| New filter set | 1 | Medium |
| Duct seals | 1 | Medium |
Invoice Items
Completed call-out and repairs.
| Item | Quantity |
|---|---|
| Call-out service and 1 hour labour | 1 |
| Filter set used on existing unit | 1 |
Photos
