Window Condensation: Why It Happens and How to Stop It

Window condensation occurs when there’s a temperature difference between the indoors and outdoors, causing moisture to condense on the window’s surface. While moisture in itself is not a problem, it can lead to several bigger issues if it’s consistently present in the environment. In today’s article, Renewal by Andersen® of Sacramento discusses what causes window condensation and what you can do to prevent it.

The Impact of Window Condensation

Excessive window condensation may seem harmless, but it can have serious consequences. For instance, condensation can cause wood window frames to rot, reducing their lifespan and curb appeal. If left untreated, it can seep into walls and cause structural damage to your entire home. Not only that, but the constant moisture also leads to the growth and spread of mold, which can harm your home and your health.

 

Moreover, window condensation can affect your home’s energy efficiency. Poor insulation due to condensation leads to drafts and heat loss, increasing energy consumption and costs. 

How to Prevent Window Condensation

Controlling the humidity levels in your home is critical to preventing window condensation. We list a few ways to achieve this:

 

• Proper ventilation. Open windows and use exhaust fans in kitchens and bathrooms to improve airflow. You can also leave patio doors open from time to time to let the air circulate.

• Use dehumidifiers. To reduce overall humidity levels, install dehumidifiers in basements or laundry rooms.

• Maintain consistent temperatures. Avoid drastic temperature changes by keeping your thermostat at a consistent level.

• Seal windows and doors. Inspect and seal any gaps or cracks around windows and doors to prevent moisture infiltration.

• Install energy-efficient windows. Opt for energy-efficient windows that have ENERGY STAR® certification.

• Schedule home inspections, repairs, and maintenance regularly. Follow a fixed routine for identifying and fixing any issues that contribute to window condensation.