BU643 Energy efficiency in New Zealand houses (2019)
Product Description
BRANZ carried out a House Condition Survey of New Zealand houses approximately every 5 years from 1994 to 2015. The 2015 survey included an on-site physical house assessment, a telephone interview with occupants and an appliance use questionnaire.
The survey found big opportunities for improving the energy efficiency in New Zealand houses. Improving energy efficiency has numerous benefits, from financial savings for households through to reduced greenhouse gas emissions.
This bulletin covers:
- space heating systems and appliances
- space heating habits
- thermal insulation
- glazing
- water heating systems
- lighting and appliances
- residential electricity consumption
- regulatory changes around energy efficiency
- key opportunities for improvement.