Affects of condensation in your home

Window condensation is formed via the build-up of moist air within your home, and is triggered when the moisture-laden air becomes cold, typically when it comes into contact with a window. Colder air cannot support as much water vapour as warmer air, so the excess water vapour is converted into liquid water on your windows, window frames, skylights and even walls.

The aim of our Condensation Control System is threefold:

  1. reduce condensation and related issues by drying your home, and
  2. increase the ambient temperature of homes by utilising free solar heat from your roof cavity.
  3. circulate air around the house to distribute warm air from living room heaters or solar gain from the roof.


Drying your home to decrease condensation

Condensation in your home is created when water vapour from cooking, breathing, showering and so on, coming into contact with cooler surfaces and turns into water droplets. Most ceiling spaces are a lot drier than your liveable parts typically. The system simply displaces your moisture-laden household air with warm, dry air, thus making it difficult for condensation to form. Without condensation, mould colonies and dust mites no longer have an ideal environment in which to flourish. The system also removes sudden air temperature fluctuations from your home, which removes the trigger for condensation to form.

 

Diagram – HEG Air™ Circulation System with Solar Roof Heat Recovery System (which also incorporates the condensation control function, which allows a continuous percentage of ventilation air to be introduced into the house).

 

The Condensation Control system is a hybrid system, being a “bolt on” module to the HEG Air Circulation System:

  1. A low-wattage, energy-efficient air pump circulates air from your living room ceiling directly to bedrooms via insulated flexible ducting and subtle ceiling outlets;
  2. A percentage of dry air from your roof cavity is continually introduced into the house (after being filtered), displacing moist air with dry air.
  3. The slow movement of dry air absorbs more moisture from your linen, towels furnishings and carpets, thus assisting them to dry faster.
  4. The warm air (from multiple sources) increases the ambient temperature of the house, meaning that your current heaters don’t need to work as hard at night.
  5. Because temperatures around the house are more balanced (as opposed to hot and cold spots), the trigger for window condensation to form is removed.

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