NZBC H1 Update 2022

Getting worried about how to comply with the new MBIE building code updates to H1? Check out these resources which break it down and attempt to make it easy.

In 2021 the proposed change for NZBC H1 were released, and new efficiency measures became effective from 29th November 2021. With the announcement and change came many questions – check out our H1 FAQ page or if you have a question that needs answering, drop us a line below!

H1 Update - What's Changed?
MBIE are proceeding with updates to acceptable solutions and verification methods to make new builds warmer, drier and healthier and aims to make new homes and buildings more energy efficient. But what are those changes?
As we dive into the nitty gritty of the H1 changes, our first stop is at the roof. What are the changes? What sort of roof should we be designing, and how do we prevent condensation in our roofs?
Part three is all about windows, and there has been some great progress for windows with R-Values coming into effect with the H1 changes.
Impact of Slab Edges
Part four of the H1 changes and updates we discuss slab edges and their impacts.
Part five of the H1 changes and updates we discuss airtightness, what is and what isn’t included in the update.
Heating & Ventilation
Part six is all about ventilation & heating, and why this is so important for indoor air quality and occupancy health.
Thermal Bridging
Part seven of the H1 changes we discuss thermal bridges and their importance when considering comfort, condensation control and energy efficiency.
Examples of compliant assemblies
In this resources we dive deeper into some dry and buildable assemblies that can meet all of the new H1 R values.
Costing - No, it doesn't cost more
In this resources we explain how how to build better than just box-ticking and compliant while still sticking to budget.
H1 Changes Summary
In this resources we summarise the NZBC H1 changes and include everything you need to know about the building enclosure.