The Focus on Indoor Air Hygiene

Did you know that people spend 90% of their lives indoors?

Air hygiene has always had a big impact on health, but it’s never been so crucial as today.

Aerosolized particles are among the most common transmitters for viruses

Virus-containing aerosols can stay suspended in the air for hours

of all illnesses are either caused or exacerbated by poor indoor air quality

The Four Pillars of Indoor Air Hygiene


Flushing indoor air with fresh outdoor air

For commercial buildings, dedicated outdoor air systems (DOAS) condition outside air before delivery indoors. For smaller spaces in moderate temperatures, opening windows for two hours can provide ventilation.

  • Avoids recirculating airborne particles
  • Helps maintain proper humidity levels
  • Dilutes indoor pollutants & contaminants

Humidity Control

Maintaining humidity levels of 40-60%

This is a challenge in high-humidity regions and certain spaces like commercial gyms. 40-60% is the optimal range for comfort while discouraging the growth of microbes. There are a number of dehumidifiers that can achieve this range in many settings.

  • Reduces mold and bacteria reproduction
  • Makes it more difficult for viruses to live


Using HEPA air scrubbers for aerosolized particle removal

HEPA air purifiers, such as the PuraShield 500, that are proven to remove 99.9% of target viruses* greatly improve the air hygiene of indoor spaces. If used in an appropriately sized room for the unit, they can provide multiple air exchanges per hour (ACH).

  • Filters out dust, dander, mold, pollen and other contaminants
  • Removes 99.9% of aerosols carrying viruses


Using MERV 13 HVAC filters

Upgrading HVAC system filters is an easy and cost effective air hygiene measure. MERV 13 is a rating which means that the filters can capture pathogens like viruses and bacteria from the air. MERV 13 HVAC filters work in concert with air scrubbers, cleaning air that is then purified.

  • Removes particles and pathogens from the air
  • Helps keep airborne aerosols from recirculating

Measures to Make Your Space Safe

If you want to get back to business with confident customers, concentrate on these three areas.

A guide for sanitization that inspires trust

Social distancing tips for a variety of spaces

Make your
customers confident