Building Code clause H1 Energy efficiency (4th edition) came into force on 1 January 2017. This page contains useful information and tools to aid in applying the H1 requirements.
This clause of the New Zealand Building Code provides for the efficient use of energy and sets physical conditions for energy performance.
This standard provides an Acceptable Solution and Verification Method for clause H1 Energy efficiency.
Select the climate zone and wall construction type(s) and enter area and construction R-values for the various building elements. The tool applies the calculation method automatically, and pass/fail compliance is determined.
Use this form to help demonstrate compliance with clause H1 Energy efficiency.
This provides a consistent means of calculating the construction R-values of domestic window systems, including windows, doors and skylights.
This guide helps designers assess thermal performance and determine the as-built construction R-values that can be expected for given levels of insulation and common construction options.
ALF (Annual Loss Factor) is a tool for determining the building performance index (BPI) of a house design. It can be used to show compliance with New Zealand Building Code clause H1 Energy efficiency.
Level will help you design and build homes that have less impact on the environment, are healthier and more comfortable and have lower running costs.
Whether you are building a new home, renovating or looking for options to improve the comfort, health and performance of your existing home, you’ll find a wealth of information within this site.