Ventilation and Air Conditioning in the Context of COVID-19
COVID-19 has a huge influence on our lives. Nowadays we need to learn how to communicate with people safely, how to stay healthy physically and mentally. If you feel tired, don’t hesitate to delegate some of your responsibilities. For example, you can buy term papers and save an extra hour for sleep. So, here are the main rules for the Ventilation and Air Conditioning or HVAC system according to World Health Organization:
What is ventilation and how can it prevent the spread of COVID-19?
Ventilation is the supply of clean air into a room and the simultaneous removal of stale air to maintain or improve air quality. Ventilation can be accomplished naturally (e.g., by opening a window) or by using special mechanical equipment.
The spread of COVID-19 occurs most often when an infected person is close to another person or comes into direct contact with another person. The risk of spreading the virus is higher in crowded and poorly ventilated rooms where people stay close to one another for long periods. Improving ventilation in a room can reduce the risk of spreading the virus within that room.
Can I use air conditioning or other ventilation systems?
Heating, Ventilation, and Air Conditioning (HVAC) systems help to maintain indoor air temperature and humidity at a healthy and comfortable level. When maintained and operated properly, HVAC systems can reduce the spread of COVID-19 indoors. They do this by increasing the rate of air exchange, reducing air recirculation, and increasing the supply of outside air. Therefore, you should not use air recirculation modes (reintroduction of exhaust air into the room) while using such systems. HVAC systems need regular inspection, service, and cleaning.
How to improve indoor heating and air conditioning systems?
Non-channel recirculating heating and air conditioning systems, such as fan coil units or split air conditioning systems, should be inspected, maintained, and cleaned according to the manufacturer’s recommendations. Together with an HVAC technician, inspect the unit’s filter and consider replacing it with a MERV14/F8. You can also use any other one that is most compatible with the filter holder. You should periodically clean and service units and filters according to the manufacturer’s recommendations.
Is it safe to use fans indoors?
In a confined space there is always the risk of transmission. This is due to the flow of air from an infected person directly toward another person in such spaces.
If COVID-19 is circulating in your area and you can not avoid the use of a tabletop or floor fan, it is important to ensure that air flows regularly to the outside by opening windows or doors to do so and to minimize air movement from one person (or group of people) toward another person (or group of people).
The use of ceiling fans can improve the circulation of outside air. This is because they prevent the formation of stagnant areas of air in the room. However, when using ceiling fans, it is extremely important to ensure that there is a sufficient supply of outside air at all times. You can do this, for example, by opening windows or any other similar methods.
Carrie Duncan is a philologist and mother of 2. She is currently working at McEssay as a manager and content writer.