Have you ever woken up to foggy window glass with droplets of water? Well, you’re not alone. Many homes have trouble with condensation on windows, especially in the winter or on chilly mornings.  At first, it may not seem like a big deal, but over time, moisture can build up on window frames, making mold grow, and gradually creates diseases and unhealthy environment. 

While condensation is quite common during winters or humid weather, it is perfectly preventable as well.  

In this blog, we will take you through some of the probable causes of condensation and how you can fix and prevent it.  

So let’s get started.  

What is Window Condensation? 

Condensation usually forms on windows or other surfaces when warm, humid air inside your house hits a cool surface, like a windowpane. The warm air can’t hold as much moisture when it cools down, so tiny water droplets start to form on the glass. This simple exchange between temperature and moisture explains those tiny droplets or fog when you’re taking a hot shower or during a chilly winter morning.  

You may notice condensation in places like:  

  • Inside window surface: Caused by humidity.  
  • In-between double-pane windows: This shows a window seal is broken.  
  • On the exterior of windows: It is quite normal and harmless and shows that your windows are well insulated.  

 

Common Causes of Window Condensation 

Wondering what causes condensation on windows in winter or any other season? Here are some of the most common causes:  

1. High Indoor Humidity

All of these things add moisture to the air: cooking, showering, using kettles, and even breathing.  When the air is too humid, it can easily settle on your windows. 

2. Inadequate Air Ventilation

Moisture gets stuck in your home if there isn’t good airflow. Bathrooms without exhaust fans, rooms that are closed off, and homes that are sealed up can all contribute to lingering humidity. 

3. Cold Weather 

Wondering what makes windows foggy in the winter? Winter is the best time for window fogging because the air inside your house is much warmer than the air outside. This results into fogging and condensation.  

4. Single-Pane Windows 

Single-pane windows only have one glass surface due to which they do not insulate well. This results in the surface getting cold easily and thus more condensation and fog appears.  

5. Broken Window Seals

If you spot condensation in double or triple-pane windows, that means that the window seal is not working properly. This requires immediate attention to reduce the condensation.  

 

How to Fix Condensation 

If you’re noticing condensation on your windows lately, here are few simple tips that will help you get rid of it:  

1. Improve Ventilation:  

Improving air ventilation is easier than it may seems. Here are small steps that can improve the ventilation:  

  • Crack open windows while cooking or showering.  
  • Use exhaust fans in the kitchen and bathroom whenever possible.  
  • Add trickle vents or leave doors open a little to let air flow. 

 

2. Reduce Indoor Humidity  

To reduce the indoor humidity, you can take following steps:  

  • Using a dehumidifier can help get rid of extra moisture in the air. 
  • Avoid drying clothes indoors.  
  • Keep the air moving by turning on the ceiling fans. 

 

3. Keep Windows Warm 

Increasing the temperature of the window surface can help get rid of moisture: 

  • Use curtains or blinds that keep heat in. 
  • Think about putting in storm windows. 
  • For a long-term improvement, get double- or triple-pane windows. 

 

4. Repair or Replace Whenever Necessary 

 If there is moisture inside the window panes, the window probably isn’t sealed anymore.  In this case, the best way to fix it is usually to replace it. 

 

5. Rearrange or Remove Moisture Source 

To make sure all sources of moisture are taken care of: 

  • Don’t put plants on window sills. 
  • Make sure that furniture doesn’t block vents or heaters. 

 

How to Prevent Condensation  

If you want to prevent condensation in the long term, here are small habits that can make a big difference:  

  • Always try to maintain steady indoor temperature. Big changes in temperature are what results into condensation and fog.  
  • Always keep a close eye on humidity with devices like hygrometer. Try to maintain it between 30-50% to avoid condensation.  
  • Regularly cleaning windows removes dirt and dust, helping in removing colder spots and maintaining overall hygiene.  
  • If you have air leaking situation from windows, use weatherstripping or caulk to prevent cold air from entering.  
  • Choose modern and insulated windows like double or triple glazed windows to improve energy efficiency as well as reduce condensation.  

To sum up, lingering condensation can cause long-term problems in your home. Therefore, these necessary yet simple steps can help you keep things under control.  

And if you want more such tips in the future, stay connected with Bowalker!