Condensation on your traditional single-glazed windows can be a frustrating problem to deal with, as it is not only unsightly but can also lead to costly damage to timber frames over time.
Fortunately, there are several steps you can take to stop condensation from forming on your single-glazed windows, including reglazing, draught-proofing and some other less financially intense options.
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Causes of Condensation on Windows
The main causes of condensation on windows are:
- Increased humidity levels indoors;
- The temperature difference between indoor and outdoor due to single pane glazing: cooler temperatures on window glass due to their proximity to the outdoors; and
- Poor ventilation in the home can cause water vapour to build up.
- Failed insulation of double-glazed unit in case of condensation build-up between glass panes (fogged double-glazing issue)
- With vacuum-sealed double glazing, condensation can form on the outside of windows. However, this suggests that VIG glazing offers great insulation.
Explanation of condensation
The presence of water vapour in the air causes condensation on windows. Water vapour builds up as a result of increased humidity indoors and can become liquid when it comes into contact with cold surfaces or objects.
This is why condensation tends to form on window frames and sashes, which are exposed to cooler temperatures than other parts of your home due to their proximity to the outdoors.
The importance of stopping condensation on windows
Stopping condensation on windows is important as it can lead to the growth of black mould and mildew, which can cause a variety of health issues.
Over time, moisture can cause damage to window frames and sills, requiring professional restoration of sash windows.
Additionally, condensation can reduce the visibility through the windows and can even freeze in cold weather, further reducing heat efficiency.
Excessive condensation on windows can cause several problems, including:
- Health issues caused by mould and mildew growth;
- Damage to the window frames and sills over time;
- Reduced visibility through the windows;
- Heat loss due to poor insulation;
Professional solutions to tackle condensation – high investments involved.
The most popular professional solutions for dealing with condensation include insulating window frames and sashes, as well as reglazing windows.
Insulating windows frames and sashes
Insulating window frames is a relatively inexpensive option compared to retrofitting single glazing and may include adding weather stripping around frame edges.
Reglazing windows
Reglazing is another option which involves replacing existing glass panes with higher insulation specs like vacuum glazing or heritage double glazing insulated with inner gases.
Although it is pricier than just draught-proofing, this option offers the most energy-efficient solution on the market and can also lower your energy expenses.
In addition to the benefits already mentioned, reglazing windows can also increase your home’s Energy Performance Certificate (EPC) rating. In the UK, single-glazed windows must meet a minimum EPC rating of C or above to comply with regulations.
A higher EPC rating means that your home is more energy efficient, reducing your energy bills and helping the environment.
It also makes your home more appealing to potential buyers.
Repairing failed double-glazing units and serving gaskets
Failed double glazing units, or “foggy double glazing” as they are commonly known, can be a major cause of condensation on windows.
This is because the seals between the two panes of glass have become worn out or loose over time, allowing moisture to enter and form droplets inside the glazing unit.
When temperatures dip below a certain point, indications of issues with window insulation can be seen in the form of condensation on failed glazing units.
The solution is straightforward — replacing broken double-glazed units with a new one or swapping out the entire window.
Methods to decrease condensation with minimal investments – a DIY approach
Decreasing condensation in your home with a DIY approach requires minimal investment and effort.
Exhaust fans in the kitchen and bathroom
Not only do they improve ventilation by pulling out stale air, but they also reduce humidity levels which helps reduce condensation.
Investing in a quality exhaust fan is a cost-effective way to ensure your home stays dry and comfortable without breaking the bank!
Opening windows occasionally to allow fresh air.
Opening windows occasionally is an easy and cost-effective way to reduce condensation in your home. Allowing fresh air to circulate can help lower humidity levels, bringing moisture down to a more comfortable level.
This method will show results in places of excessive moisture build-up, like bathrooms and kitchens.
If you experience condensation in the living room, this method will not help you to reduce condensation, but the good news, it is easy and does not cost a penny to test if it works.
Using a dehumidifier as needed
For more severe levels of condensation, using a dehumidifier may be necessary. This relatively inexpensive appliance helps remove excess moisture in the air, reducing condensation and creating a healthier home environment.
Dehumidifiers come in various sizes and can be used as needed to maintain comfortable humidity levels. Still, you will likely need one device for each room or move one device between rooms.
Whether you keep it running all the time or use it periodically when the humidity gets too high, investing in a dehumidifier is an effective solution for reducing dampness and controlling condensation if you can not afford other options like reglazing your windows or replacing them with more energy efficient alternatives.
Conclusion
In short, there are several ways to reduce condensation on windows, from reglazing them to using a dehumidifier. The best option for you will depend on your budget and the severity of the condensation problem.
No matter which solution you choose, it is important to take action as soon as possible to prevent further damage and keep your home comfortable and improve energy efficiency.
