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Ventilation Tips for Reducing COVID Risk Indoors

Good indoor ventilation helps reduce the spread of COVID-19. Improve indoor ventilation by doing the following: open doors and windows and use fans to bring fresh air inside, run heating and air and upgrade filters, and use portable air cleaners. Share the following fact sheet (PDF) and social media messages (PDF) with your communities. This material is downloadable and shareable. 

Fact Sheets

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Tips for reducing COVID risk indoors fact sheet thumbnail
Tips for Reducing COVID-19 Risk Indoors - English (PDF), Spanish (PDF)

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Tips for improving indoor air quality at school fact sheet thumbnail

Tips for Improving Indoor Air Quality at School - English (PDF), Spanish (PDF)

Social Media Messaging

To use these images, click on each one to enlarge the image, then right click and ā€œsave as.ā€

English

ā€‹A woman smiling look outside a open window with text overlay, "Reduce the spread of COVID-19 indoors. Open doors and windows, us
ā€‹Suggested Messaging:
Good indoor ventilation can reduce the risk of #COVID19. Keep windows and doors open as much as possible and use portable fans to bring fresh air inside. Avoid running ceiling fans unless necessary for temperature control.
For more information: https://bit.ly/CDPHVentilation

ā€‹Two girls sitting on the couch and relaxing under the air conditioner with text overlay, "Reduce the spread of COVID-19 indoors.
ā€‹Suggested Messaging:
You can reduce your #COVID19 risk indoors by running your heating and air system at full capacity as much as possible. Set the systemā€™s fan to ON instead of AUTO to continuously circulate air through its filters. Install high quality air filters, MERV 13 or greater are best.
For more information: https://bit.ly/CDPHVentilation

ā€‹Air purifier in open office with text overlay, "Reduce the spread of COVID-19 indoors. Use portable air cleaners."
ā€‹Suggested Messaging:
Canā€™t open your windows or run your heating and air system? You can still reduce the risk of #COVID19 indoors by using portable air cleaners. Choose a cleaner that is the right size for your space, and place the cleaner toward the center of your space close to where people gather.
For more information: https://bit.ly/CDPHVentilation

ā€‹Illustration of woman thinking with text overlay, "How do I reduce the spread of COVID-19 indoors. Open doors and windows, use f
ā€‹Suggested Messaging:
Good indoor ventilation can reduce the spread of #COVID19. Follow these simple steps to properly ventilate your indoor space:
1. Open doors and windows, use fans
2. Run heating and air, upgrade filters
3. Use portable air cleaners
For more information: https://bit.ly/CDPHVentilation

Spanish

ā€‹A woman smiling look outside a open window with text overlay, "Reduce the spread of COVID-19 indoors. Open doors and windows, us
ā€‹Suggested Messaging:
La buena ventilaciĆ³n en interiores puede reducir el riesgo de #COVID19. MantĆ©n ventanas y puertas abiertas tanto como sea posible y usa ventiladores portĆ”tiles para que el aire fresco llegue adentro. Evita usar ventiladores de techo a menos que sea necesario para controlar la temperatura.
Para mĆ”s informaciĆ³n: https://bit.ly/CDPHVentilation
ā€‹Air purifier in open office with text overlay, "Reduce the spread of COVID-19 indoors. Use portable air cleaners."
ā€‹Suggested Messaging:
ĀæNo puedes abrir tus ventanas o prender tu sistema de calefacciĆ³n y aire acondicionado? AĆŗn puedes reducir el riesgo de #COVID19 en interiores utilizando purificadores de aire portĆ”tiles. Elije uno que sea del tamaƱo adecuado para tu espacio y colĆ³calo en el centro, cerca de donde se reĆŗnen las personas.
Para mĆ”s informaciĆ³n: https://bit.ly/CDPHVentilation
ā€‹Two girls sitting on the couch and relaxing under the air conditioner with text overlay, "Reduce the spread of COVID-19 indoors.
ā€‹Suggested Messaging:
Puedes reducir tu riesgo de #COVID19 en interiores prendiendo tu sistema de calefacciĆ³n y aire acondicionado a plena capacidad tanto como sea posible. Ajusta el ventilador del sistema en ON, en vez de AUTO para hacer circular el aire continuamente a travĆ©s de los filtros. Instala filtros de alta calidad, MERV 13 o de mayor eficiencia son los mejores.
Para mĆ”s informaciĆ³n: https://bit.ly/CDPHVentilation
ā€‹Illustration of woman thinking with text overlay, "How do I reduce the spread of COVID-19 indoors. Open doors and windows, use f
ā€‹Suggested Messaging:
La buena ventilaciĆ³n en interiores puede reducir el riesgo de #COVID19. Sigue estos sencillos pasos para ventilar adecuadamente espacios interiores:
1. Abre puertas y ventanas, usa ventiladores
2. Prende la calefacciĆ³n y aire acondicionado, cambia los filtros
3. Usa purificadores de aire portƔtiles
Para mĆ”s informaciĆ³n: https://bit.ly/CDPHVentilation


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