1. Clean the hood filters often to keep it working well.
2. Turn on the hood before cooking for good ventilation.
3. If you wire it, be sure the connections are safe. If you're not sure, get an electrician.
4. If you're not sure, hire a pro to install it safely.
5. Install it at the right height (around 24 to 30 inches) to avoid problems.                                        6. Sometimes, check if anything is blocking the ducts for smooth airflow.