Scientific Studies on Indoor Air Quality

The following studies on office environments, schools and outside air pollution represent a sample of the research on indoor air quality. The studies show the positive impact good air quality has on health, productivity, and cognitive performance. However, most of the studies focus on increasing ventilation to improve indoor air quality, which has significant economic consequences and raises energy consumption. Increased ventilation requires purchasing much higher capacity HVAC equipment, which costs more, takes up more space, and consumes much more energy. Furthermore, existing buildings often don’t even have the heating or cooling capacity to increase outside air ventilation.

With buildings accounting for over 40% of total energy consumption and HVAC systems accounting for roughly half of that, higher ventilation rates significantly increase costs and the higher rate of energy consumption causes greenhouse gas emissions from power plants to rise. Furthermore, due to airborne pollutants, today’s outside air isn’t always “fresh air” and high volumes of outside air can be a problem for indoor air quality.

HLR technology, in contrast, saves money by reducing HVAC equipment size and cost, improves energy efficiency and thus reduces greenhouse gas emissions from power plants, and improves indoor air quality while lowering the intake of polluted outside air. It’s a win, win, win for the building owner, the tenants, and the earth.

Air Quality Studies in Work Environments

Air Quality Studies in Schools

How Outside Air Pollution Effects Health and Productivity Indoors

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