35 4. Stale, moisture-laden air is expelled from the home through the exhaust vent/ grille. 5. Preheated air is then continuously distributed into habitable rooms such as living rooms and bedrooms. 6. Supply air can be boosted at any time by the homeowner using control options. Controls options for humidity and CO2 can also be used. Supply air Supply air Heat recovery unit Stale air exhaust Improved indoor air quality Ventilation helps to circulate fresh air into the house, which reduces indoor air pollution and the buildup of harmful pollutants, resulting in a healthier living environment and reducing the risk of health problems resulting from poor indoor air quality such as allergies, and other respiratory issues. Reduce excess moisture Proper ventilation can help to reduce excess moisture in the house, which can prevent mould growth, dampness, and other associated health problems. Longevity of building materials Good ventilation helps to prevent damage to building materials due to moisture buildup, which can extend the life of a house and reduce repair and maintenance costs. Reduced energy bills Recovering heat from the outgoing stale air results in avoiding large heat losses in buildings, therefore contributing to the overall energy performance of a building and allowing households to save up to 30%* of their heating costs. The benefits of ventilation Proper ventilation is essential for maintaining a healthy, comfortable, and energy-efficient indoor environment in a house. *As calculated by European Ventilation Industry Association
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