www.heatingandventilating.net
ventilation, a reduced risk of condensation and mould growth and also lower energy consumption compared to intermittent extraction. A lesser amount of background ventilation is required in habitable spaces to ensure sufficient cross- ventilation across the property.
Airflow measurement
Accurate measurement of airflow rates is essential to verify that the installed ventilation system meets the required performance standards. The regulations specify that: ¡ Airflow must be measured at each room terminal. ¡ Measurement devices must have a proprietary hood attachment. ¡ Equipment must have an accuracy of ±5% and be calibrated within the past 12 months. ¡ Results must be recorded on the commissioning sheet. For whole-house mechanical ventilation systems,
accurate balancing is crucial to ensure that the correct airflow is achieved in each room. This process involves adjusting dampers and fan speeds to achieve the desired air distribution throughout the dwelling. Compliance with Approved Document F means that ongoing maintenance and monitoring are essential to ensure continued performance and adherence to regulations. In addition, with the increasing recognition of the harmful impact of Volatile Organic Compounds
DOMESTIC VENTILATION
within domestic settings, the 2022 update placed greater emphasis on indoor air quality and the control of VOCs. While specific limits are provided as guidance rather than strict requirements, the inclusion of this information highlights the growing importance of these factors in building design and ventilation.
The future
As innovation continues in ventilation technology, we are likely to see further advancements. This includes the integration of smart technologies into ventilation systems, which is enhancing efficiency and the user experience. Demand-controlled ventilation systems can adjust airflow rates based on real-time indoor air
quality and occupancy levels. For instance, these systems can increase ventilation rates when cooking or showering, ensuring optimal air quality without unnecessary energy consumption. Meeting the requirements of Approved Document
F presents several challenges for designers of ventilation systems for new homes or renovations. However, working with ventilation specialists means that any obstacles can be overcome. As the industry moves towards fully implementing the Future Homes Standard in 2025, ventilation requirements are likely to become even more stringent. The onus is on industry professionals to keep up to date with the regulations to ensure homes of the future are more comfortable, with good levels of indoor air quality, better energy efficiency and reduced carbon emissions.”
MARKET-LEADING VENTILATION SYSTEMS THAT IMPROVE INDOOR AIR QUALITY
Helps to create a healthy and clean indoor air environment whilst reducing household energy consumption.
HRXE-HERA Ideal for 1-2 bed apartments/houses.
YOUR VENTILATION SPECIALIST
03443 715 523
www.domusventilation.co.uk domusventilation_
KEY FEATURES
Highly efficient heat exchanger block within these units can recover up to 95% of the normally wasted heat. Efficiently combines supply and extract ventilation into one centralised system.
Fresh incoming air is filtered as an added benefit, pre-warmed via the heat exchanger and evenly distributed to the habitable rooms, thus reducing household energy consumption. Quick and easy to install, commission and maintain. They comply with all current building regulations.
DOWNLOAD THE HVR APP NOW June 2025 29
HRXE-AURA Ideal for 2+ bed apartments/houses.
HRXE-ZEUS Ideal for up to 5 bed apartments/houses.
‘The Wave’
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