The Insulation Association of NZ is the primary industry association for quality insulation, installation and training.

About Insulation Association of NZ IAONZ
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IAONZ - Insulation training New Zealand

About IAONZ

The Insulation Association of New Zealand (IAONZ) is an association which has established nationwide performance benchmarks for the supply and installation of residential and commercial insulation. In our role we have agreed standards of quality for product and installation in accordance with the NZ Building Code and AS/NZ Standards. Provide training to installers, ensuring quality installation delivery for their customers and work with Government and Industry to develop the insulation industry

 

IAONZ Manufacturer Members: Find quality manufacturers & distributors of residential and commercial insulation throughout New Zealand.

IAONZ Installer Members: Find trained, expert installers of residential and commercial insulation throughout New Zealand.

Training: We offer insulation installation training for those who wish to hold and maintain IAONZ membership.

IAONZ Advocacy: for better insulation standards and outcomes across New Zealand - giving members a stronger, trusted industry voice and delivering healthier, warmer, more energy-efficient homes and buildings.

 


 

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.