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5-step guide to checking ventilation rates in classrooms

Description

This guide presents a method that is accessible to everyone. This guide was born out of the need to ensure healthier conditions in the classroom after the period of confinement caused by COVID-19. The aim of this guide is to analyse the ventilation in classrooms using different methods and to quantitatively assess the state of the ventilation in order to implement improvement strategies if necessary to reach the desired values.

Summary:

1. WHAT YOU’LL NEED
2. MEASURE THE CLASSROOM DIMENSIONS
3. PERFORM PRELIMINARY AUDIO AND VISUAL CHECKS
4. MEASURE OR ESTIMATE OUTDOOR AIR VENTILATION RATE
4.1. Measure Outdoor Air Ventilation Rate (Unit Ventilators)
4.2. Measure Outdoor Air Ventilation Rate (Central Systems)
4.3. Determine Outdoor Air Ventilation Rate using the CO2 Decay Method
4.4. Determine Outdoor Air Ventilation Rate using the Steady State CO2 Method
5. COMPARE RESULTS TO TARGET
6. IF NEEDED, CONSIDER SUPPLEMENTAL AIR CLEANING STRATEGIES

Characteristics:

Date: November 2020

Author: Joseph Allen, Jack Spengler, Emily Jones, Jose Cedeno-Laurent

Geographical area: –

Type of publication : Guide and recommandations

Language : EN

Copyright: