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ISO 5222-3:2026

Heat recovery ventilators and energy recovery ventilators — Testing and calculating methods for performance factor — Part 3: Annual sensible heating and cooling recovery performance factors of heat recovery ventilators (HRVs)

Publication date:   Jan 22, 2026

General information

60.60   Standard published   Jan 22, 2026

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 annual sensible heating and cooling recovery performance factors 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 annual sensible heating and cooling recovery seasonal performance factors of HRVs. It is intended for use in marking and comparison. The procedures of this document can be used for other temperature conditions.

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PUBLISHED
ISO 5222-3:2026
60.60 Standard published
Jan 22, 2026