INDUSTRY NEWS
SURVEY HIGHLIGHTS EFFECTS OF POOR AIR QUALITY IN INDOOR ENVIRONMENTS
O
ne of the UK’s leading ventilation manufacturers, EnviroVent, has revealed the startling results of its national survey* to
mark Clean Air Day (19th June), which demonstrated that a staggering 66% of people had experienced mould in their homes. At a time when awareness of the importance of indoor air quality is heightened and Government legislation to protect people from the impact of poor indoor air quality, Awaab’s Law, is due to be implemented in October 2025, EnviroVent has called these fi ndings ‘extremely worrying’. The study of 200 householders revealed that 29% of people were asthma/allergy suff erers, with 16 per cent of people stating that they felt poor indoor air quality negatively impacted their health. This includes allergies, asthma, chest infections and coughs, whilst eleven per cent of those surveyed said they had trouble breathing at home. The survey also found that 59% of those surveyed
had taken steps to improve their home’s indoor air quality and 92% of people believed indoor air quality to be very important or fairly important.
Ruth MacEachern,
Product Manager at EnviroVent, explains: “The results of the survey are extremely concerning, as a high proportion of households are still suff ering the eff ects of poor indoor air quality. Condensation and mould are symptoms of a home that has high humidity levels and lacks proper ventilation. However, mould is more than just an eyesore, it’s a potentially dangerous fungus that releases airborne spores that are an irritant and can exacerbate asthma and other respiratory conditions.” Ruth adds: “Good ventilation in the home is essential for maintaining a healthy and comfortable living environment, lowering humidity levels, off ering longer term benefi ts over and above other
options like dehumidifi ers. Mechanical ventilation systems are becoming more popular in the home as they help to reduce condensation and mould growth and work autonomously in the background.” EnviroVent provides a range of ventilation
products, which introduce fresh fi ltered air into the home and remove stale, moist area or a combination of both.
BUILT ENVIRONMENT URGED TO CHAMPION INDOOR AIR QUALITY
A
s the UK marked Clean Air Day on 19th June 2025, Caerphilly-based ventilation solutions provider Nuaire called on
specifiers, consultants, and contractors to put indoor air quality (IAQ) at the heart of building design and performance. Clean Air Day is the UK’s largest campaign
dedicated to raising awareness of air pollution and its impacts on health and the environment. Organised by the charity Global Action Plan, this year’s theme encourages individuals and organisations to take practical steps to reduce pollution and protect public health, both inside and outside buildings. Activities range from educational sessions in schools and workplaces to community-wide initiatives that promote greener, cleaner living and working practices. While the national conversation often focuses on outdoor emissions, Nuaire is taking the opportunity on Clean Air Day to emphasise that clean air doesn’t stop at the front door. With the average person in the UK spending around 90% of
health long after the building is handed over.” On Clean Air Day, Nuaire called for a
performance-led approach to ventilation, ensuring that systems are not only compliant with Parts F and L of the Building Regulations but are also designed for real-world eff ectiveness. This includes adopting technologies such as mechanical ventilation with heat recovery (MVHR), demand-controlled ventilation, and hybrid systems — all tailored to occupancy and usage patterns. Meirion continued: “Developers, architects, M&E
their time indoors, the air we breathe inside homes, offi ces, schools, hospitals and other environments is just as critical to our wellbeing as the air outside. “Indoor air pollutants are an invisible challenge,” said Meirion Richards, managing director at Nuaire. “From carbon dioxide and VOCs [Volatile Organic Compounds] to particulate matter and excess humidity, harmful pollutants can build up, especially in modern well-sealed, energy-effi cient buildings. The right ventilation strategy is essential — not only to meet Building Regulations, but to protect occupant
consultants, contractors, and building managers all share responsibility for delivering healthy indoor environments. It’s not enough to specify a system; it must be commissioned properly, maintained over time, and designed with IAQ outcomes in mind.” With a legacy of innovation dating back to
1966, Nuaire off ers a comprehensive range of energy-effi cient ventilation solutions across the residential, commercial, and industrial sectors. These systems are designed to reduce indoor pollutants, prevent damp and mould, and provide a consistent supply of fresh, fi ltered air. Clean Air Day serves as a timely reminder that
improving air quality is a shared responsibility — and that healthier buildings start with healthier air.
6 July 2025
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