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A COVID-Proofed Room: How HVAC Ventilation Can Lower COVID-19 Transmission

Ac specialist checking HVAC-Ventilation-to lower COVID-19 Transmission

As COVID-19 restrictions begin to lift across the country, many businesses and homeowners wonder how they can ensure the safest possible return to normal. As of June 2, 2021, the CDC has suggested several ways to achieve a COVID-proofed room. Of course, there is no way to completely eliminate the chances of transmission indoors. It’s important to note that most experts, including the CDC, recommend five steps for the lowest possible indoor transmission rate. These steps are physical distancing, wearing face masks, proper hand hygiene, vaccination, and ventilation improvements.1 

If you are a business owner, homeowner, or are simply looking to ensure a room with a low possibility of COVID-19 transmission, many of these steps may be out of your control. Physical distancing, the wearing of face masks, and proper hand hygiene all depend on the willingness of others in the room with you. However, two factors that you can control are getting vaccinated and ensuring your rooms are adequately ventilated. 

HVAC Ventilation and COVID-19

It is important to remember rooms vary in size and layouts. For the most accurate assessment of your room’s ventilation needs, the CDC recommends consulting with experienced HVAC professionals.1

While each room is different, there are some general practices for ventilation recommended by the CDC:

  • If your thermostat can control your HVAC fan system, set the fan to ‘on’ rather than
  •  ‘auto.’ This will allow the fan to run throughout the day, even if the heating or air conditioning isn’t.2
  • The CDC recommends using pleated filters in HVAC systems, which filter air more effectively than other types of HVAC filters. It is recommended that you allow a professional to install these filters to ensure that they are placed correctly and working properly.2
    • Change these filters regularly every three months. As some products differ, remember to read the manufacturer’s instructions. 
  • If possible, have your ventilation examined and adjusted annually by a professional to ensure that your HVAC system runs optimally.2

Further Possible Solutions for Air Purification

If you are attempting to properly ventilate a room without an HVAC system, there are some other CDC recommendations to consider:

  • Where possible, open doors and windows to bring in the fresh air.2 
  • Purchase a portable air cleaner. Pair this with HVAC systems for further air purification.2
  • Turn on any stove or bathroom exhaust fans for about an hour after guests have left.2
  • Utilize any fans you may have at your disposal to ensure that air is circulating.2
  • When possible, try to limit the number of guests.2 

While the worst of the pandemic seems to be behind us, it is important not to become complacent. Continue to follow the CDC guidelines as much as possible. As Florida has lifted the mask mandate in indoor settings, ventilation can be vital in protecting your guests. 

All Brands Corp. AC Inc. is committed to ensuring that all of your ventilation needs are met. If you are looking to ventilate your home in South Florida, contact us today to speak with our HVAC professionals. We provide AC services from the Upper Keys to Broward County. Additionally, we offer commercial AC services from Key Largo to Palm Beach County. Visit our site for a complete list of our services and service locations.

Related Readings:

Signs an Air Conditioner Needs Repair

Air Conditioner Energy Saving Tips


1 – Ventilation in Buildings

2 – Improving Ventilation in Your Home

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