Smartlouvre Technology

Improving occupant comfort, safety and air quality

Posted on 4th April 2023

Improving occupant comfort, safety and air quality

The uptake and support of building certifications and accreditations that consider the wellbeing of occupants, have proven that the building user’s comfort and contentment have been a growing consideration for architects and building engineers in recent years. For example, since its launch 6 years ago, the WELL Building Standard, which focuses on a building’s effect on health, is now being applied by 4,421 projects across 63 countries. This includes both commercial and residential properties having the objective of advancing health, human experience and wellbeing in buildings, through design.

What Is Occupant Comfort?

Occupant comfort simply means the comfort a building provides for it's occupants. This comfort is defined by physiological measures like temperature, noise, air quality and light. It also includes psychological metrics like well being, the social effect and happiness within a building and specific spaces.

Post Covid Occupancy

Without warning we find ourselves in a world completely turned around by a pandemic, where the wellbeing and safety of occupants has now become a key focus for all building owners and building service managers. It has been accepted that COVID-19 will not be eradicated anytime soon. It is changing the way we design the workplaces of the future.

Architects are currently altering building plans to accommodate CIBSE guidelines for increasing ventilation and introducing room cooling strategies that don’t rely on recirculating air conditioning systems. At the same time, building owners and service managers of existing buildings are seeking ways in which to upgrade and retrofit to ensure that the risk of virus transmission is limited, whilst trying to provide occupant comfort and managing the risk of overheating.

With the majority of the world’s population working from home and for much of it ‘locked down’, we have been made very aware of the impact our homes have on our wellbeing. We have improved our homes and gardens, for the benefit of our physical and mental health. We have enjoyed the space, the safety, and the comfort of the homes we have created to our own personalised needs and wants.

This autumn, many of the world’s population face returning to the workplace after months at home, to spend 9-5 in a building where our needs are not ‘personally’ met. Workplaces that may previously have provided comfort and familiarity are now changed by the pandemic. Screens and other safety precautions introduced. Soft furnishings removed or replaced so that we have only stark, wipe-clean surfaces to protect us from the risk of virus transmission. The visible changes to the workplace are immediately apparent. But the invisible changes like the lack of air conditioning or reduced air flow, could have even greater impact on workplace comfort and wellbeing.

Since the outbreak of Coronavirus, the ventilation strategy of all shared spaces needs review. CIBSE’s advice is to increase ventilation as much as possible, increasing the flow of outside air and preventing any pockets of stagnant air.

Workplaces that lack good air quality, natural lighting or temperature control have a huge impact on workers' energy and remove any chance of creative thinking. More importantly, thermal comfort has a proven effect on our ability to make good decisions and even on taking risks with our safety. For example, people might not wear personal protective equipment properly in hot environments.

As well as being the best option for limiting virus transmission, increasing air movement by introducing natural ventilation is also the obvious solution to controlling thermal comfort. Furthermore, directing the fresh air upwards allows for displacement of hot indoor air that has risen to the ceiling, with cooler air from outside to further reduce the indoor temperature.

Wherever possible we need to increase the amount of indoor air that is replaced by outdoor air, by opening windows. Operable windows are all too often taken for granted, the importance and added benefits of simply opening windows overlooked. The future should be about buildings that are naturally ventilated as much as possible. Not least for limiting the risk of virus transmission but also for reducing energy consumption, carbon emissions, and building running costs.

However, with the benefits of open windows come the need to manage heat and glare. Internal blind systems remove visibility out and a connection with the outside world and only protect the room from a minimal amount of heat gain. External shading systems do work but are expensive to install and maintain as well as reducing the quantity and quality of daylight and vision out.

SmartLouvre’s MicroLouvre product, designed as a solar shading window screen, consists of a fine bronze alloy mesh, comprising 700 tiny ‘bris-soleil’ fins per metre of fabric, measuring only 1.5mm in depth. It is installed on a frame external to any windows, allowing heat to accumulate on the surface of the metal and then dissipate to the outside before it reaches the window. The heat is blocked before it hits the glass, by a metal fabric, with micro fine louvres woven in to dissipate the sun’s heat and energy but not block natural daylight, natural ventilation or vision out. The louvres are micro fine, and angled at a level to ensure optimum light in, and visibility out, whilst protecting the building occupants from the heat, glare and even external viewing in. It’s known as angular selective technology.

The 80% open area and angle of the louvres allow natural ventilation in a laminar flow with a distinct upward trend, directing the outdoor air towards the ceiling inside the building.

With its passive, angle selective, maintenance free technology, MicroLouvre® supports all today’s energy saving, occupancy comfort and sustainable building performance requirements.

To find out more about MicroLouvre® go to

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