BU698 Residential mechanical ventilation systems
- Abbreviation
- BU698(2025)
- Valid from
- 1/03/2025
- Information provider
- BRANZ Limited,
- Information type
- BRANZ Bulletin,
- Format
- PDF,
Description
Ventilation is crucial for introducing fresh air from outside to replace stale indoor air and essential for building occupant wellbeing and building material durability.
This bulletin covers extract, supply and balanced heat recovery ventilation systems.
Scope
The bulletin covers:
- Introduction
- Airtightness and ventilation
- Building Code and Standards requirements
- Healthy homes standards
- Mechanical ventilation systems
- Extract ventilation
- Supply ventilation
- Balanced heat recovery ventilation
- Ducting
- Solar air preheating ventilation
- Commissioning and maintenance
- Smart appliances, smart homes
- Further information
- MBIE