News & Updates

5 articles

Myth Vs Fact: Overheating in some New Zealand homes is caused by “too much insulation”. 

  • 9 February 2026

For some reason, people think that insulation creates heat. Not true; insulation is designed to reduce heat flow from hot to cold. Ideal for keeping a house warm in winter, and cool in the summer. Once heat enters your house in summer, there needs to be good methods to remove that heat. Removing insulation is not the answer.

Installing It Right Matters: NZS 4246 and Better-Performing Buildings

  • 23 January 2026

NZS 4246 sets the benchmark for installing insulation, so it performs as designed. Correct installation reduces heat loss and energy use in both retrofit and new builds, while supporting safer, healthier, higher-performing buildings as H1 requirements continue to evolve.

Updated Changes to H1 | NZ Building Code

  • 27 November 2025

The Ministry of Business, Innovation and Employment (MBIE) updated the settings in November 2025 - for compliance with the energy efficiency requirements of clause H1 of the Building Code.

Warmer Kiwi Homes - 2025 programme expansion

  • 5 August 2025

In 2025, EECA expanded the Warmer Kiwi Homes insulation grants to another 300,000 eligible homes.

New insulation standards cost-effective and lower the cost of living

  • 17 July 2024

Insulation is a minor investment in new housing which generates significant cost of living savings for occupants, saves the government healthcare costs, and improves economic productivity, says Insulation Association of New Zealand (IAONZ) Executive Officer Richard Arkinstall.