Products, appliances and lighting

Research papers and resources covering products, appliances and lighting. Documents are ordered by publication date, with the most recent listed first.

Sales and efficiency data


Spreadsheets and graphs showing total sales and efficiency data for a variety of products and appliances sold in New Zealand.

 Sales and efficiency data

The heat pump success story

July 2014

Heat pumps are an extremely popular form of home heating, because they are convenient, effective, reliable and energy efficient. What’s less well-known is the part that the Energy Efficiency and Conservation Authority (EECA) has played behind the scenes in making sure heat pumps have performed well for New Zealanders.

Good practice guide: heat pump installation

May 2013

Good design and installation are fundamental to a heat pump system’s effectiveness and efficiency. This guide provides good practice guidelines for designing and installing the most common type of residential heat pump system – air-to-air single-split heat pump systems (also known as reverse-cycle air conditioners), used primarily for heating. The guide is aimed at experienced installers of heat pumps, and it gives the process to follow for system design and installation into both new and existing homes.