Can Air Conditioning Systems in Buildings Spread Coronavirus?

The central air conditioning units can spread the coronavirus if someone is already infected within the building. This is due to the recirculation mechanism of the air conditioners, which circulates the same air five to six times before treating it. If the same air is inhaled and exhaled by the inhabitants, others breathing in the same air will catch the virus. This can infect other occupants.

Increasing Usage of Air Conditioning as Weather Warms Up

As the weather gradually warms up and people spend more time at home, many will consider turning on the air conditioner. Some may wonder if the coronavirus can spread faster in a climate-controlled environment. After consulting with affordable aircon services experts who installed an AC system in my house a few years ago, I recently inquired about this matter.

How Air Conditioning Systems Spread the Virus

If a virus-infected person in the house coughs and sneezes without being careful, tiny virus particles in respiratory droplets could be circulated in the air. An air conditioning system, a window-mounted AC unit, a forced heating system, or even a fan can spread these droplets by moving air currents around the room. However, it's important to note that the increased risk is minor and can be avoided by following general guidelines for limiting virus spread. The most important point to remember is that people who have the virus should cover their mouth and nose when coughing or sneezing. Infected individuals should hide in an out-of-the-way corner of the house, away from other people. Residents should treat others as if they could be infected with the virus, keeping a safe distance and washing their hands frequently.

Effect of Air Conditioning on Virus Survival

Assuming coronavirus particles are inside the building, the answer is yes. Many air conditioning systems are used to cool and control humidity, both factors which can prolong the lifetime of the virus. Air flow will disperse the particles, but the efficiency of this depends on the form of the air conditioning used and the area it serves.

Conditions for Spreading the Virus

SARS-CoV-2 has been shown to live for over three hours in aerosol form, so a closed circuit form of air conditioning may perhaps spread infected air around. A better option would be one which exchanges exhausted air with fresh. Proper ventilation can significantly reduce the concentration of viral particles in the air and thus minimize the risk of transmission.

Conclusion

In conclusion, while air conditioning systems can potentially spread the coronavirus, the risk is manageable. By following the necessary precautions and ensuring proper ventilation, the spread of the virus can be minimized. It is crucial to maintain a clean and well-ventilated environment to protect ourselves and our loved ones during these challenging times.

Keywords

Air Conditioning Coronavirus Spread Prevention