Why ventilation alone doesn’t solve washroom odours and hygiene issues

Washrooms are one of the most common sources of complaints in public and commercial buildings. From lingering odours to concerns about hygiene, the expectations of staff, customers, and visitors are higher than ever. Yet the standard response—boosting ventilation or installing air change systems—often falls short.

While ventilation is essential for general air movement and carbon dioxide control, it does not eliminate the root causes of poor washroom air quality: bacteria, volatile organic compounds (VOCs), and trapped odour particles. In many cases, increasing air changes may even spread odours further into adjacent areas.

The limits of air movement in confined spaces
Ventilation systems work by extracting air and replacing it with air from outside. In washrooms, however:
• Odour-causing bacteria remain on surfaces and in the air
• Airflow rarely treats all corners of the room, especially in high-use cubicles
• Humidity and warm temperatures encourage microbial growth, worsening the smell

This is why even well-ventilated washrooms can smell unpleasant or feel unhygienic.

Why AIRsteril technology works differently
AIRsteril goes beyond basic ventilation by actively treating the air within the washroom using a combination of ultraviolet and catalyst-based technologies. These systems work together to:
• Break down common washroom odours at their source
• Significantly reduce levels of airborne bacteria and viruses
• Help control mould and surface contamination in humid conditions

The result is not just fresher air, but a genuinely cleaner washroom environment.

Built for real-world washroom conditions
Unlike systems that rely on filters or high airflow, AIRsteril is designed for the challenges of shared, high-traffic washrooms:
• Operates quietly and safely in occupied areas
• Reduces the source of odours, not just the smell
• Helps maintain hygiene between routine cleaning visits

Because treated air moves outwards from the unit and is denser than untreated air, it displaces contaminated air and avoids repeatedly processing the same area. This prevents the “clean bubble” effect seen with some air purifiers.

Supporting hygiene and user confidence
In workplaces, hospitality, healthcare, and education, washroom perception plays a major role in user satisfaction. A visibly clean space that still smells unpleasant undermines the efforts of cleaning teams and raises doubts about hygiene. AIRsteril restores confidence by addressing both the seen and unseen problems.

Odours resolved, hygiene improved
For those responsible for maintaining clean, welcoming washrooms, AIRsteril offers a tested, low-maintenance solution. It improves air and surface hygiene without chemicals, filters, or disruptive equipment. With AIRsteril in place, odours are controlled at the source—supporting better hygiene, user comfort, and overall standards.