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SCHOOLS. With winter approaching, increasing *filtration* can help if you find yourself having a hard time increasing *ventilation*.
a THREAD with tips and solutions
a THREAD with tips and solutions
Set a target of 4-6 air changes per hour.
This can be achieved through ANY combination of ventilation + filtration.
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This can be achieved through ANY combination of ventilation + filtration.
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To figure out how much ventilation you& #39;re classroom is getting, use our 5-step guide. https://schools.forhealth.org/ventilation-guide/">https://schools.forhealth.org/ventilati...
You can measure ventilation with a balometer or....
...or using CO2 meters.
(it& #39;s all explained in our guide, with some examples that we walk through step-by-step)
(it& #39;s all explained in our guide, with some examples that we walk through step-by-step)
In addition to the *outdoor air* ventilation, the recirculated air can count towards your total & #39;clean& #39; air *IF* it is running through MERV13 filters.
Example 1 at the back of our report explains how to account for this
Example 1 at the back of our report explains how to account for this
If you don& #39;t have a mechanical system for ventilation, opening your windows *even a few inches* can help.
Fauci agrees
https://abs.twimg.com/emoji/v2/... draggable="false" alt="👇" title="Rückhand Zeigefinger nach unten" aria-label="Emoji: Rückhand Zeigefinger nach unten"> https://twitter.com/j_g_allen/status/1306911087602917376?s=20">https://twitter.com/j_g_allen...
Fauci agrees
If these approaches are not working for your school, there is another way.
--> Use portable air cleaners with HEPA filters.
@CorsIAQ and I wrote more about them here: https://www.washingtonpost.com/opinions/2020/07/27/we-can-must-reopen-schools-heres-how/">https://www.washingtonpost.com/opinions/...
--> Use portable air cleaners with HEPA filters.
@CorsIAQ and I wrote more about them here: https://www.washingtonpost.com/opinions/2020/07/27/we-can-must-reopen-schools-heres-how/">https://www.washingtonpost.com/opinions/...
Not sure how to pick a portable air cleaner that is sized correctly for your classroom?
We built a simple calculator to help make this easier
(w/ @ShellyMBoulder + @cedenolaurent) https://tinyurl.com/portableaircleanertool">https://tinyurl.com/portablea...
We built a simple calculator to help make this easier
(w/ @ShellyMBoulder + @cedenolaurent) https://tinyurl.com/portableaircleanertool">https://tinyurl.com/portablea...
Healthy Building strategies like better ventilation and filtration will help, but they are not the only strategies you need.
#SchoolSMART
S--> Stay home when sick
M--> Mask up
A--> Air purifier in every room
R--> Refresh indoor air
T--> Temporary classrooms
#SchoolSMART
S--> Stay home when sick
M--> Mask up
A--> Air purifier in every room
R--> Refresh indoor air
T--> Temporary classrooms
All of the schools resources from our Harvard Healthy Buildings program can be found here: https://schools.forhealth.org/ ">https://schools.forhealth.org/">...
