Before you Start

What is a reverse cycle heat pump? How do they work? Are they more efficient that burning gas? Is there much difference in price? Find out more about reverse cycle air conditioning here.

How to read an energy label and calculate energy efficiency of a split system.

For many years the Equipment Energy Efficiency (E3) program produced an Energy Rating Label for air conditioners which relied on a very basic testing protocol. This protocol has recently been updated to a 'Zoned Energy Label'. Please click on the button to know to help understand them.