A diffuser is designed to disperse essential oils into the air, while a humidifier adds moisture to the air to improve humidity levels. Some devices combine both functionalities.

Most humidifiers are not designed for essential oils. Using oils can damage the unit. Consider a diffuser or a humidifier that explicitly allows essential oil use.

Clean your diffuser after every use to prevent residue buildup. For humidifiers, clean them every 2-3 days to avoid mold and bacteria growth.

Yes, but ensure you use safe essential oils and avoid over-humidifying the room. Consult with a veterinarian for pet-safe oil recommendations.

Place your device on a flat, stable surface, away from electronics and direct sunlight. Ensure proper airflow around the device for maximum efficiency.

It's recommended to use distilled or filtered water to prevent mineral buildup and prolong the life of your device.

The size depends on your room. For small rooms, a compact device works well. Larger spaces may require higher-capacity models.