Good practice guide - Heat pump installation

Publication date: April 2020

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Heat pumps have become increasingly popular in New Zealand homes over recent years, as they are an energy efficient and convenient way of heating and cooling.

Good design and installation are fundamental to a heat pump system’s effectiveness and efficiency. It involves understanding the importance of correct sizing for the ambient conditions, selecting the right unit for the local environment and correctly installing the unit.

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.

Good practice guide - Heat pump installation March 2022