Healthy Living, Home & Real Estate

How to Reduce Indoor Humidity in a Rental Home

Indoor humidity is quite essential in terms of comfort. Moisture levels might be difficult to manage for renters, but they are necessary. Excess humidity causes discomfort and produces an atmosphere favorable to mold and mildew growth, possibly endangering both health and property.

When your rental unit’s windows fog up, making it difficult to see the weather outside, you know it has too much humidity. While low humidity can cause dry skin and bloody noses, high humidity can cause excessive heat in the home and structural damage. In extreme circumstances, it can potentially cause structural damage to your property.

Whether you’re dealing with seasonal humidity spikes or continuous moisture, this guide will provide renters and homeowners with actionable insights to help them build a healthier, more comfortable living environment. Join us as we discuss reducing indoor humidity in a rental home. 


Why do Rental Homes Get Humid?

  1. Poor Ventilation

Inadequate ventilation frequently causes humid conditions in rental homes. Poor ventilation impedes the exchange of indoor and outdoor air, keeping moisture inside. When ordinary activities such as cooking, showering, or even breathing produce moisture, a lack of adequate ventilation stops it from escaping. Furthermore, if the rental property’s ventilation equipment, such as exhaust fans or air vents, is insufficient or not working correctly, the problem escalates. Hire a local property manager in Bucks County to make sure landlords are informed about maintenance issues. 

Limited air circulation prevents damp areas from naturally drying off, creating an environment conducive to high humidity levels. Understanding the relationship between poor ventilation and indoor humidity and paying attention is critical for renters looking to manage and minimize these issues in their properties.

  1. Leaks

Rental properties frequently experience humidity due to various factors, with leaks being the most common cause. Unnoticed leaks from roofs, pipes, or windows allow moisture to enter the property and create an environment prone to high humidity. These hidden water intrusions can build up over time, contributing to a cycle of dampness and increased indoor humidity.

Leaks jeopardize structural integrity and create an ideal breeding environment for mold and mildew. Identifying and repairing leaks is vital for keeping a healthy living environment in rental properties. However, regular inspections and prompt repairs are essential in reducing the impact of leaks on indoor humidity and providing renters with a comfortable, moisture-controlled environment.

  1. Rising Dampness

Rising dampness is a typical problem in rental homes and is often the cause of high indoor humidity levels. It’s rare, but rising dampness occurs when excess moisture in the ground rises through small openings and into your apartment, even up to the second or third floor. Poor insulation, inadequate ventilation, or damaged building structures can worsen the problem. As the moisture seeps into the house, it fosters an environment that increases humidity. This can result in discomfort and create an environment that causes the growth of mold and mildew.

Renters and homeowners must take preventative measures to tackle increased moisture, adjust their lifestyles, and take care of their property. Tenants can create a healthier and more comfortable living environment by implementing steps to lessen the effects of humidity by comprehending its underlying causes.

Potential Risks of Mold in a Rental

Mold in rental homes poses numerous problems that go beyond aesthetic issues. Beyond its unattractive look, mold can have a negative impact on indoor air quality, causing respiratory difficulties and allergies. Vulnerable people may have worsening symptoms, jeopardizing their health. 

Additionally, certain mold strains create mycotoxins, which can pose long-term health hazards. Furthermore, mold can jeopardize a property’s structural integrity, resulting in costly repairs and possibly landlord-tenant disputes.

The presence of mold can violate health and safety standards, resulting in litigation.  As a result, both landlords and tenants must address mold as soon as possible by taking preventative measures such as appropriate ventilation, moisture control, and timely repairs. This proactive strategy protects the renters’ well-being and ensures the rental property’s durability and value.

How to Reduce Indoor Humidity

  1. Open Windows 

Areas of your home where you use a lot of water and heat, such as the bathroom or kitchen, are more likely to retain moisture. This is why your mirror fogged up after taking a hot shower.

However, if you have a window in your bathroom, open it the next time you take a shower to keep the humidity from becoming trapped within your residence. If your bathroom has a fan or ventilation system, make sure to turn it on every time you take a shower or run hot water for a bath to remove damp air from the room.

  1. Install an Air Conditioner

Consider installing a window or wall-mounted air conditioner unit to simultaneously address heat and humidity issues. While they can be expensive,  the cheapest ones cost around $200. If you plan on staying in an apartment without air conditioning for an extended period, it may be a worthwhile purchase.

Just be prepared for your electricity bill to rise as well. A/C units also require maintenance to keep them functioning efficiently and reduce humidity, so clean the vents and replace filters regularly to ensure proper airflow.

  1. Clean your Rugs 

Rugs and carpets absorb moisture, particularly when it is humid, causing even more humidity. If your area rugs smell moldy or damp, have them dry-cleaned. If you find the same problem with installed carpets, notify your landlord that you believe they should be professionally cleaned or replaced. Clean or fresh carpets will reduce humidity and dust mites, which thrive in damp carpets.


Managing indoor humidity in rental properties is important in establishing a comfortable and healthy living environment. Tenants can regulate moisture levels by using the abovementioned measures, which range from basic lifestyle adjustments to cost-effective solutions. This improves personal well-being and protects the rental property from potential damage. 

Remember that a perfect mix of humidity control and practical living converts a rental into a welcoming home. Stay proactive and apply these measures, and you’ll have a more enjoyable and sustainable living environment in your home.