What is Condensation? | Home Ventilation Systems

What is Condensation?

condensation on windows indoors

Have you ever noticed the droplets of water that form on the outside of a canned drink when you take it out of the fridge? This is condensation and the reason why it happens is all to do with temperature, air and water vapour.

The temperature on the surface of the can is reduced as air passes over it. As the air gets cooler its relative humidity rises and the water vapour turns into moisture. The air passing over the can is unable to hold onto the moisture which ends up as droplets running down the side of the can’s cold surface.

This is what happens in thousands of households across the nation when the temperature drops inside the home, especially at night time when the heating is turned off. Just like the canned drink, the air reaches the point where it can no longer hold onto to all the moisture that we create in our homes and it migrates to the coldest surfaces - the windows and walls - where it appears as condensation or the more familiar sight of streaming windows.

How to spot condensation?

  • Streaming windows and walls
  • Damp areas on walls
  • Wallpaper peeling
  • Mould growing on window frames, walls and ceilings
  • Soft furnishings and fabrics become prone to mould and mildew
  • A musty damp smell in the property

Condensation is arguably the most common form of dampness and can eventually lead to the growth of mould. It forms on internal surfaces when the temperature drops sufficiently below the temperature of moist air inside the property. You should watch out for it because if left to develop, condensation can lead to an unsightly, musty property. More importantly, it can also aggravate or trigger health problems such as asthma and wider complaints.

Waking up to condensation on windows is a familiar sight for many people, especially in winter and this is usually the first sign of a condensation problem. If condensation occurs over a prolonged period of time, other signs will start to appear such as damp patches on walls, peeling wallpaper and ultimately black mould growth. These effects can lead to musty smells, damage the fabric of our homes and can even affect our health.

EnviroVent is on hand to help and has been solving the nation’s condensation problems for over twenty five years. Our energy-efficient condensation control units reduce humidity and stop condensation on windows to provide healthy and fresh indoor environments.

Find out what causes condensation dampness in the home.

What Causes Condensation? > < Condensation Problems

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