Vacation homes and rental properties provide a wonderful escape, but they can also be prone to mold growth, especially if left unoccupied for extended periods. Mold thrives in warm, moist environments, making summer a critical time for mold prevention. Here are some effective strategies to keep mold at bay in your vacation homes and rental properties.

Top Tips For Mold Prevention

Control Humidity Levels

High humidity is a primary contributor to mold growth. Use dehumidifiers to maintain indoor humidity levels between 30-50% (source). Consider installing a smart humidity monitor to keep track of levels when the property is unoccupied.


Ensure Proper Ventilation

Good ventilation is key to preventing mold. Make sure your vacation home or rental property has adequate ventilation in all rooms, especially in areas prone to moisture like bathrooms and kitchens (source). Use exhaust fans and open windows when possible to improve airflow.

sandy beach looking back at a row of houses on the water
Brother and sister holding hands on beach path

Fix Leaks Immediately

Regularly inspect your property for leaks in roofs, walls, and plumbing systems. Address any leaks immediately to prevent water accumulation, which can lead to mold growth. Consider scheduling regular maintenance checks, especially before and after periods of unoccupancy.

Use Mold-Resistant Materials

When renovating or repairing your property, use mold-resistant materials such as mold-resistant drywall and paint. These materials can help reduce the risk of mold growth in damp areas.

Manage Outdoor Landscaping

Ensure that the landscaping around your property directs water away from the building. Clean gutters and downspouts regularly to prevent water from pooling near the foundation, which can seep into the basement or crawl spaces.

Monitor and Maintain HVAC Systems

Regularly maintain and clean HVAC systems to prevent mold growth within the system. Change filters frequently and consider using HEPA filters to trap mold spores and other airborne particles (source).


By following these steps, you can significantly reduce the risk of mold growth in your vacation homes and rental properties. Regular maintenance, proper ventilation, and humidity control are key to ensuring a healthy and mold-free environment, allowing you and your guests to enjoy a worry-free stay. 

If you’re in need of a professional team to help you maintain your vacation rental, find a Green Home Solutions in your area today!