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ISO 5222-1:2025

Heat recovery ventilators and energy recovery ventilators — Testing and calculating methods for performance factor — Part 1: Sensible heating recovery seasonal performance factors of heat recovery ventilators (HRVs)

Publication date:   Oct 27, 2025

General information

60.60   Standard published   Oct 27, 2025

ISO

ISO/TC 86/SC 6 Testing and rating of air-conditioners and heat pumps

International Standard

23.120   Ventilators. Fans. Air-conditioners

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Scope

This document specifies the testing and calculating methods for sensible heating recovery seasonal performance factor of heat recovery ventilators (HRVs) covered by ISO 16494-1.
This document also specifies the test conditions and the corresponding test procedures for determining the sensible heating recovery seasonal performance factor of HRVs. It is intended for use only for marking and comparison purposes.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5222-1:2023

NOW

PUBLISHED
ISO 5222-1:2025
60.60 Standard published
Oct 27, 2025