Approved Burners

This list shows domestic heating appliances (other than MfE wood burners and pellet burners) with an emission standard of less than 1.5 g/kg and a thermal efficiency standard of 65% or more. A domestic heating appliance must have a heat generation capacity of 50 kW or less, otherwise, it is classified as fuel burning equipment and is covered by different rules under the Air Plan.

These appliances are not authorised for use if tampered with or modified, or if operated in a way not in accordance with manufacturers’ instructions or with use of an unauthorised fuel.

The following information is sourced from individual manufacturers after verification by New Zealand Home Heating Association or another independent consultant.

Ecomax (formerly Ecomac)

Appliance Model Type Authorised Fuel Water Heater Emission (g/kg) Thermal Efficiency Manufacturer/Distributor
Auto Coal Stoker and Boiler Unit Freestanding Ohai Coal
Kai Coal
Water heater only 1.49
120
78%
74%
Allan's Sheet Metal & Engineering Ltd, Dunedin
Auto Wood Pellet Feeder and Boiler Unit Freestanding Pellets Water heater only 0.46 78% Allan's Sheet Metal & Engineering Ltd, Dunedin

 

McKenzie

Appliance Model Type Authorised Fuel Water Heater Emission (g/kg) Thermal Efficiency Manufacturer/Distributor
Auto Stoker Boiler Unit Models B025 and B030 Freestanding

Coal that meets the following specifications:

  • Diameter between 14 and 21 millimeters, and
  • A gross calorific value equal to or greater than 26 Mega Joules per kilogram, and
  • An ash content less than or equal to 3.5% (oven dry basis), and
  • A sulphur content no greater than 0.5% (wet basis)
Water heater only 1.46 72.7% McKenzie Heating Design Ltd, Dunedin

 

Note:  A building consent for the installation of a domestic heating appliance is required from your local city or district council.  They may also have additional requirements for domestic heating appliances.

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