How to prevent condensation on uPVC Windows

Condensation on your new uPVC windows and be both concerning and frustrating however it's not always a sign that something is wrong. This blog post is designed to help you understand that causes of condensation on uPVC windows as well has tips and tricks on how to prevent condensation on uPVC windows.

Causes of Condensation

Condensation is moisture in the air turned into water. The warmer the air is, the more moisture it can hold, when its limit is reached and the warm air makes contact with a cold, non-absorbant surface, it becomes chilled and sheds the excess moisture in water droplets, usually seen on glass surfaces.

victorian conservatory style

Living Room Condensation

Allow the rooms warmth to reach windows by positioning the curtains slightly away from the windows.

window condensation

Kitchen Window Condensation

  • Close doorways into the remainder of the house and keep a window open.
  • Extractor fans can help.
window condensation

Bedroom Condensation

The prime cause for condenstaion in bedrooms is not allowing for the night time drop in outside temperatures.

  • Extend the central heating programme or other heating system accordingly.
  • Ventilate by opening the windows at least once a day to allow air-exchanges.
upvc condensation

Bathroom Window Condensation

  • To stop moisture from travelling around the house, keep the door closed during and after bathing.
  • Whilst bathing it is advisable to open windows slightly to aid ventilation.
window condensation

Outdoor Condensation

Condensation forms on the outdoor surface of glass when its temperature drops below the outdoor dew point temperature.

Evolution windows are manufactered using thermally efficient glass. The glass keeps heat inside the rooms of your house and reflects heat from radiators and fires back into the room.

As a result, the outer pane of glass does not get warmed by heat escaping from inside the building through the glass and remains cooler in comparison to much less thermally efficient windows.

window condensation

It is possible that external condensation will appear on the same windows but not on others, due to the position of windows in the house.

If condensation appears externally on your windows, this is in no way a defect of the unit. It must be seen as a positive indication that your windows are thermally efficient and are reducing heat loss.

*We cannot guarantee against the incidence of condensation.

window condensation

Your next steps

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Request a brochure

If you can’t visit your local Evolution showroom but still want to find out more about our beautiful handcrafted windows and doors then simply order a brochure today and be inspired. 

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Request a quotation

Speak to one of our friendly, experienced designers to discuss your requirements and individual project needs. We will provide you with advice and a detailed, no-obligation quotation. 

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Visit a showroom

To truly explore Evolution, why not visit your local showroom where you can see the Evolution difference for yourself. We are also always happy to welcome visitors to our Bedfordshire head office.