Level: Energy (2nd edition)

This guide covers important choices facing designers and homeowners in selecting active energy systems such as water heating, space heating and lighting and looks at options such as photovoltaic electricity generation. Considerations include what different technologies can achieve and which options are more energy efficient and environmentally friendly than others.

It explains the requirements of the New Zealand Building Code, standards and other obligations that need to be met while pointing out that going better than the required minimum typically brings benefits in comfort and ongoing cost savings.