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Are fresh air supply units necessary if I have air conditioning?
Last Updated: 9 September 2025Yes, fresh air supply units are necessary even if you have air conditioning. Air conditioning mainly controls temperature and humidity but does not introduce outdoor air. Without fresh air, pollutants and carbon dioxide build up indoors, reducing air quality and increasing health risks. Ventilation ensures clean, breathable air. Why Air Conditioning Alone Is Not Enough...
What pollutants are considered in the context of Approved Document F?
Last Updated: 9 September 2025Approved Document F focuses on ventilation requirements for buildings in the UK, addressing pollutants such as carbon dioxide (CO₂), volatile organic compounds (VOCs), moisture, and particulate matter (PM). These pollutants are critical to indoor air quality and are directly linked to health and comfort. The document emphasises the need for effective ventilation systems to mitigate...
Where should trickle vents be positioned on a window?
Last Updated: 16 September 2025Trickle vents should be positioned at the top of the window frame, ideally above the sash, to facilitate natural airflow while minimising draughts. However, for superior air quality and precise control, mechanical ventilation systems like MVHR or dMEV offer a more efficient and adjustable solution. Why Trickle Vent Placement Matters (And When to Consider Mechanical...
Why is continuous extraction a proactive measure against mould?
Last Updated: 9 September 2025Continuous extraction is a proactive measure against mould because it removes moist air before condensation occurs. By maintaining steady airflow, it prevents damp from building up on cold surfaces, reducing the risk of mould growth, structural damage, and health problems in UK homes. Understanding Continuous Extraction Continuous extraction means running fans at a low, steady...
Why is there condensation on my windows despite having trickle vents?
Last Updated: 16 September 2025Condensation on windows occurs when warm, moist air inside your home meets the cold surface of the glass, even with trickle vents. Trickle vents alone may not provide sufficient ventilation to manage high humidity levels, especially in poorly insulated or highly airtight homes. Factors like cooking, showering, and drying clothes indoors can exacerbate moisture buildup,...
Georgian Townhouse
Last Updated: 5 September 2025How Can Tailored Ventilation Solutions Address the Unique Challenges of Georgian Townhouses in England? Georgian townhouses, renowned for their symmetry, sash windows, and grandeur, are architectural treasures that define many English cities. However, their design, while aesthetically pleasing, presents unique challenges for maintaining good indoor air quality (IAQ) in the modern era. With the introduction...
Do Trickle Vents Contribute to Heat Loss?
Last Updated: 16 September 2025Yes, trickle vents can contribute to heat loss. They allow a small amount of fresh air to enter, which can lead to slight temperature reductions in a room. However, modern windows are designed to be energy-efficient, meaning the overall impact on thermal efficiency is negligible. How much does a trickle vent cost per year due...
Can I fit trickle vents to existing windows?
Last Updated: 16 September 2025Yes, you can fit trickle vents to existing windows. However, it’s important to consider factors such as the window type, building regulations, and the potential impact on room ventilation. Proper installation can enhance airflow without compromising aesthetics. Understanding Trickle Vents What Are Trickle Vents? Trickle vents are small openings installed in windows or walls, designed to allow...
Can Homeowners Bypass Building Regulations for Window Replacement by Signing a Disclaimer?
Last Updated: 5 September 2025No, a homeowner cannot meet Building Regulations requirements for window replacement by signing a disclaimer to install background ventilation later or opting out of installation entirely. The regulations mandate that all necessary ventilation provisions must be in place at the time of installation. Understanding Building Regulations for Window Replacement In the UK, adherence to Building...
Can ARIA units be used individually in wet room areas?
Last Updated: 3 September 2025Yes, ARIA units can be used individually in wet room areas. They are designed specifically for continuous operation in spaces like kitchens, bathrooms, and utility rooms, effectively managing humidity and improving air quality. Understanding ARIA Units in Wet rooms What are ARIA Units? ARIA units are decentralised mechanical extract ventilation (DMEV) systems tailored for continuous operation in wet room environments. They...