Home ventilation, is a system that brings fresh air into your home, and will force moist air (and any pollutants in the air) out of the home.
• Allergies – a home ventilation system keeps allergen-causing substances out of the home. In summer, for example, when the pollen count is high and many people are more susceptible to hay fever, a ventilation system filters out larger particles for a cleaner indoor atmosphere. That means less itchy eyes and runny noses for the family.
• Breathing illnesses – damp conditions are major triggers for asthma and other breathing illnesses. An atmosphere with high humidity is a breeding ground for dust mites, and contact with them can lead to asthma attacks, eczema, etc.
• Damp air – a survey by My Health My Home found that 58% of homes experience condensation. This happens when there’s too much humidity and is especially common in the kitchen and bathroom. Condensation itself isn’t a huge issue, but if it builds up, it can lead to damp air, musty smells and peeling wallpaper.
• Mould – black mould occurs when a home is lacking ventilation over a long period of time. Mould, when untreated, can be dangerous to health. It produces irritants that can cause an allergic reaction and even asthma attacks.
• VOCs – volatile organic compounds (VOC's) are potentially dangerous gases that we can’t see. According to The Scientific Committee on Health and Environmental Risks, there are up to 900 chemicals inside our homes. These come from things like cosmetics and cleaning products, but you can protect against them with an adequate ventilation system.
• Furniture damage – moisture and mould can actually shorten the lifespan of furniture, wallpaper, flooring and more.
• A roof cavity to run the ducting system through
• Check your ceiling insulation - if you don't have any, get this installed first. If there is existing insulation check that this has not become dislodged, compacted or wet as it won't be fully effective if it has. Fix all insulation problems first.
How to achieve best results for your home
• Have insulation in your walls, ceiling (where possible) and under floors • Have sufficient heating (heat pump, wood burner or in smaller rooms a plug-in electric heater) • Tackle moisture at the source (have extraction in bathrooms and kitchens) • Add a home ventilation system to keep clean, dry air and positive pressure in the property
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