Draft. These pages were imported from the ARC Technical Criteria document (16 April 2026) and have not yet been reviewed in this format. Several thresholds are still being settled and are flagged on the pages concerned.

Zone 2 - the communal heat refuge

The communal heat refuge: a space large enough for all occupants, usable during extreme heatwaves.

Performance requirements

A “Communal Heat Refuge” designed to stay comfortable during using natural ventilation, adaptive comfort cooling measures.

large enough to accommodate all building occupants - a dedicated room or zone for use during extreme heatwaves. This space may include some mechanical cooling, if it relies on mechanical cooling this needs to continue to operate during power cuts, so battery backup, ideally solar fed. External planting for shading, and anything else to help.

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Source: ARC Technical Criteria - 143
Pattern · confidence medium · Imported 2026-09-12, not yet reviewed · next review 2026-12-12
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Citation key: zone-2-heat-refuge