BS ISO 16494:2014

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Airflow test
6 Tracer gas tests
7 Determination of efficiency
8 Performance calculations
9 Test results
Annex A (normative) - Airflow measurement method for
        both ducted and unducted ventilators
Annex B (normative) - Decay method for measurement
        of net supply airflow
Annex C (normative) - Unit exhaust air transfer ratio
        measurement methods
Annex D (normative) - Thermal performance measurement
Annex E (informative) - Example data collection and
        reporting sheets
Annex F (normative) - Required instrument uncertainty
Annex G (informative) - Construction of plenums for
        connection to inlets or outlets not designed
        for connection of ductwork
Bibliography

Describes a method of testing the ventilation and energy related performance of heat recovery ventilators (HRVs) and energy recovery ventilators (ERVs) that do not contain any supplemental heating (except for defrost), cooling, humidification or dehumidification components.

This International Standard prescribes a method of testing the ventilation and energy related performance of heat recovery ventilators (HRVs)and energy recovery ventilators (ERVs) that do not contain any supplemental heating (except for defrost), cooling, humidification or dehumidification components.