Practices

Ventilation and airflow in buildings - methods for diagnosis and evaluation

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Energy efficiency in buildings requires, among other things, that ventilation be appropriately dimensioned: too much ventilation wastes energy, and insufficient ventilation leads to poor indoor air quality and low comfort. Studies have shown that ventilation systems seldom function according to their commissioned design. They have also shown that airflow measurement results are essential in improving a ventilation system. This key handbook explains why ventilation in buildings should be measured and describes how to measure it, giving applied examples for each measurement method. The book will help building physicists and ventilation engineers to properly commission ventilation systems and appropriately diagnose ventilation problems throughout the life of a building. Drawing on over 20 years of experience and the results of recent international research projects, this is the definitive guide to diagnosing airflow patterns within buildings.
CONTENTS 

Introduction

Airflow Rates in Buildings

Airflow Rates in Air Handling Units

Age of Air and Ventilation Efficiency

Airtightness

Measurements and Measures Related to Energy Efficiency in Ventilation

Contaminants in Air Handling Units

Common Methods and Techniques

References

Index

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