Green roofs are slowly breaking into the New Zealand market. Some of the issues and cost benefits are discussed here.
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If you live in an historic home, any energy efficiency improvements need to be in keeping with the character of the house.
Cost considerations often drive choices when building a property, but thinking more broadly from project design to material specification can be worth its weight in gold.
Research organisation Beacon Pathway has shown that installing simple, affordable energy efficient features in a new home can greatly reduce its energy footprint.
Current building designs often incorporate a mixture of construction types – both non-solid (timber-framed) and solid (such as solid timber, concrete or masonry). How is compliance with Clause H1 demonstrated for these designs?
The Canterbury earthquakes have created a one-off opportunity to improve the local housing stock. A new service to support housing upgrades during earthquake repair is being rolled out across Canterbury.
MBIE recently released energy efficiency changes to the Building Code to help make new homes and buildings warmer, drier and healthier. These include increased minimum insulation requirements for roofs, windows and floors.
Older houses often don’t perform as well as new ones. Fortunately, there are plenty of ways to upgrade performance as well as modernise for form and function.
A new solar collector system, being developed at the University of Waikato, integrates neatly into standard roofing iron and can generate both electricity and heat.
The BRANZ helpline has received many calls asking how to approach designing new houses that are compliant with the higher thermal requirements of New Zealand Building Code clause H1 Energy efficiency 5th edition. The first step is to look further than just the schedule method.