BU689 Water heating systems

Abbreviation
BU689(2024)
Valid from
1/01/2024

Information provider
BRANZ Limited,
Information type
BRANZ Bulletin,
Format
PDF,

Description

In Aotearoa New Zealand homes, water heating accounts for around one-third of total energy use on average.

This bulletin considers the different aspects of system selection, such as client needs, purchase/installation and operational costs, energy efficiency and embodied and operational greenhouse gas emissions.

Scope

The bulletin covers:

  • Introduction and Water rating label.
  • Energy options
    • Electric resistance water heaters
    • Heat pump
    • Dedicated solar photovoltaic
    • Solar thermal
    • Wetback
    • Fossil gas
  • Water storage location and size
    • Location
    • Storage cylinder size
  • Smart appliances, smart homes and a smart grid
  • Building Code and Standards requirements
    • Acceptable solutions and Verification methods
    • Energy efficiency requirements
    • Health and safety requirements
  • Retrofitting water heating systems
  • More information (resouces)
For assistance with locating previous versions, please contact the information provider.
Notes/comments

This bulletin replaces Bulletin 577(2014) of the same name.

View on Information Provider website Download this resource (PDF, 177KB)
For assistance with locating previous versions, please contact the information provider.

This bulletin replaces Bulletin 577(2014) of the same name.

This resource is not cited by any other resources.

BU689 Water heating systems

This document is not CITED BY any other resources:

BU689 Water heating systems

Description

In Aotearoa New Zealand homes, water heating accounts for around one-third of total energy use on average.

This bulletin considers the different aspects of system selection, such as client needs, purchase/installation and operational costs, energy efficiency and embodied and operational greenhouse gas emissions.

View on Information Provider website Download this resource (PDF, 177KB)
BU689 Water heating systems
Description

In Aotearoa New Zealand homes, water heating accounts for around one-third of total energy use on average.

This bulletin considers the different aspects of system selection, such as client needs, purchase/installation and operational costs, energy efficiency and embodied and operational greenhouse gas emissions.

View on Information Provider website Download this resource (PDF, 177KB)
This resource does not cite any other resources.

BU689 Water heating systems

This resource does not CITE any other resources.
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