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BS ISO 21075 ISO 21075 Design and assessment process of whole-building mechanical ventilation systems in residential buildings

Scope

This document describes the steps of designing and assessing the whole-building ventilation system for residential buildings and the points to be taken into account regarding indoor environment and energy consumption. This standard allows the designer to plan a whole-building ventilator that improves indoor air quality, the auditory environment and thermal comfort, and that also uses energy in a practical way. They also touch on performance of the building in order to operate a whole-building ventilator well.

Excluded:

— Criteria for indoor air quality

— Criteria for indoor thermal comfort (covered by ISO/TC 159)

— Criteria for auditory environment (covered by ISO/TC 43)

— Evaluation method of energy performance of heating and cooling equipment

— Evaluation method of energy performance of ventilators (covered by ISO/TC 86)

— Evaluation method of energy performance of heat recovery components (covered by ISO/TC 86)

— Evaluation method of building performance (covered by ISO/TC 163)

— Design steps and evaluation method of localized ventilation equipment

— Ventilation systems using natural driving force in all ventilation airflow path

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