NZS 4218:2004
Energy efficiency - Small building envelope
WARNING: This document has been replaced by NZS 4218:2009


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Provides details and guidance to meet adequate energy efficiency performance requirements for the building envelope of housing and small buildings. Incorporates glazing into the schedule and calculation methods of compliance with the required performance and focuses on excessive heat-loss through the area of glazing. It also brings the window R-values into line with Window Efficiency Rating Scheme (WERS) and adds an Appendix on glazing performance. It focuses on areas of glazing above 30% of the total wall area as these significantly affect thermal efficiency of the envelope.

[hide]Publishing Information:
Status: CURRENT
Published: 31/08/2004
Pages: 48
Comments:
Superseded by NZS 4218:2009 but remains current until further notice
ICS Codes:
27.220 Heat recovery. Thermal insulation91.120.10 Thermal InsulationReferences:
[show]Standards NZ References:
- 4214:2002(INT)(NZS)
- 4243:1996(NZS)
- 4244:2003(SNZ/PAS)
- 4303:1990(NZS)
- 4666:2000(AS/NZS)
- 4668:2000 (AS/NZS)
[show]Non Standards NZ References:
- ANSI/ASHRAE 140:2001 Standard method of test for the evaluation of building energy analysis computer programs
[show]NZ Act/Regulation References:
- BUILDING REGULATIONS 1992
[show]Other References:
- Building Research Association of New Zealand (BRANZ), Annual Loss Factor Design Manual: 1990 (Revised 1993).
- Building Research Association of New Zealand (BRANZ), House Insulation Guide 1995.
- Burgess J., DC0790 EZ01 Economic Analysis of New Zealand Window Insulation Values in Housing ? An Update. BRANZ, 2004.
- First Schedule: NZ Building Code (NZBC)
- How to choose the most efficient windows for your home: Window Efficiency Rating Scheme (WERS)(published by WANZ).
- Isaacs N., Donn M., Lee J., Bannister P., Guan L., Bassett M., Page I., and Stoecklein A. A Sensible Step to Building Energy Efficiency: 1995 Revision of NZBC Clause H1; Centre for Building Performance Research, Victoria University of Wellington, 1995.
- Judkoff R., and Neymark J. 1995 International Energy Agency Building Energy Simulation Test (BESTEST) and Diagnostic Method; NREL/TP-472-6231Golden, Colorado, USA; National Renewable Energy Laboratory.
- Standard 140-2001 ? Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs (ANSI approved); 91 pp. (ASHRAE)
- Standard 90.1-89 ? Energy Code for Commercial and High-Rise Residential Buildings (Based on ASHRAE/IES 90.1-1989) 100 pp. ASHRAE, Atlanta, 1998. ISBN/ISSN 1-883413-09-05.

[show]Legislative Documents
BIA Approved Document H1
Ministry: Department of Building and Housing
Section: VM1/AS1