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  • Millines Herman

Here's What you Need to Know about Ventilation



Ventilation is known as the provisioning of fresh air into a space and extraction of vitiated air.


Ventilation is very important for indoor environments for many reasons.

  1. It helps regulate indoor temperature.

  2. It’s a form of dilution for indoor contaminants.

  3. It encourages the movement of Carbon dioxide and Oxygen. And

  4. It helps control indoor relative humidity.

These reasons mentioned above would indicate that poor ventilation would seriously deplete the indoor air quality, posing serious health threats to occupants.

Poor ventilation can :

  1. Increase the Carbon Dioxide levels, while depleting Oxygen levels.

  2. Increase biological and chemical contaminants.

  3. Increase relative humidity levels, which encourages mold growth.

  4. Encourage lingering odors within a space.

Common side effects would include headaches, fatigue, dizziness, nausea, discomfort, shortness of breath and many more.


With the COVID-19 protocols it is imperative that your ventilation system be assessed to ensure that the increased use of chemicals for sanitization does not increase the VOC concentration and to also ensure that the Carbon dioxide levels are acceptable.


H&L Environmental Services Ltd, improving the quality of the indoor environment.

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