Gas water heaters

Gas water heaters, even if packaged with another product, must comply with minimum energy performance standards (MEPS) if they’re to be sold in New Zealand.

Download product guidelines

Our guidelines tell you which products are covered by MEPS, and how to register products and comply with regulations.

Gas products have an Australian Gas Association star rating label. You’ll find more information on gas labelling on the Energy Rating website.

Gas appliances: MEPS and labelling requirements - Energy Rating website

Product consultation

A revision to the MEPS method of test is under consideration, to align with international gas water heater standards. The next step would involve further consultation. If you’d like to be kept up to date with progress email us at:

You can read previous discussion documents and other information on the Energy Rating website.

Gas Water Heaters - Energy Rating website