When your ventilation system is not doing its job, start with the system—not guesswork.
Sterling provides servicing, fault finding, maintenance and repair support for ventilation systems. We can assess airflow, controls, fans, filters, ducting and other accessible components.
Common reasons customers call us
These symptoms do not always have the same cause, so we diagnose the system before recommending a repair.
Weak airflow
Reduced airflow can be caused by filters, fans, duct restrictions, controls, installation issues or other faults.
Noise
Unusual fan noise, vibration or airflow noise can indicate a component, mounting, duct or control issue.
Condensation or dampness
Ventilation is one part of moisture management. We can assess whether the system is operating and being used as intended.
System not starting
We can investigate controls, power, fans and other system components to identify the likely fault.
Older ventilation systems
If the system is no longer supported or is expensive to maintain, we can discuss repair and upgrade options.
Regular maintenance
Planned servicing can help keep filters, fans and controls operating properly and identify problems earlier.
What a service visit can cover
- System and control operation
- Fan operation and accessible components
- Filters and maintenance condition
- Airflow and obvious ducting issues
- Visible installation faults or deterioration
- Recommendations for repair, maintenance or upgrade
A service assessment is not automatically a recommendation to replace the system. Where practical, we will identify what is wrong and explain the options.
Need a ventilation technician?
Tell us the brand, age of the system, symptoms and Auckland location if you know them. Photos of the controller, fan unit and filters can also be useful.
Book a service