H1 Schedule method tool
- H1 Schedule method tool
- Valid from
- Information provider
- BRANZ Limited
- Building Research Association New Zealand Ltd.
- Information type
This tool checks for compliance of housing and small buildings with the schedule method of H1/AS1 5th edition amendment 1.
Compliance requirements for H1/AS1 5th edition amendment 1
The use of H1/AS1 5th edition amendment 1 is restricted to housing, or buildings other than housing that are less than 300 m².
Buildings with curtain walling are excluded.
New methods for determining the thermal resistance and construction R-value of building elements are contained within H1/AS1 5th edition amendment 1 and include methods to calculate the R-values for slab-on-ground floors, windows, doors and skylights.
NZS4218:2009 is no longer referenced within H1/AS1 5th edition amendment 1. Other standards have been added.
The climate zone maps have been revised to include six climate zones.
The window area of the building can be no greater than 30% of the total wall area.
Where heating is embedded in a building element, a higher minimum R-value is required. See H1/AS1 5th edition amendment 1 for details.
Please refer to H1/AS1 5th edition amendment 1 for full compliance information.
This tool cannot be used for H1/AS2 1st edition, which deals with larger non-residential buildings which have different requirements.