Yes, a portable humidifier can help control indoor humidity in specific areas of your home. These devices are particularly useful in bedrooms or living spaces where you spend a lot of time. However, while portable humidifiers are effective for small spaces, they may not be sufficient to maintain proper humidity levels throughout your entire home. For more comprehensive control, especially in larger homes, a whole-home humidifier integrated with your HVAC system is recommended. This type of system ensures even distribution of moisture across all rooms, providing consistent comfort and protection against humidity-related issues.