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Note: This figure does not include emissions from heating appliances that have no flue or chimney to carry combustion products outside. The Ministry of Health advises caution in the use of unflued gas heaters indoors because of the potentially harmful build-up of nitrogen dioxide, carbon monoxide, and excessive water vapour indoors.
Source: Ministry for the Environment, 2005.
Heating appliance |
Emissions (g/kg) |
|---|---|
Wood: Open fire |
9 |
Wood pellets: Pellet fire |
0.55 |
Wood burner - best |
0.5 |
Wood burner - worst |
12 |
Multi-fuel: Enclosed - wood |
12 |
Coal: Open fire |
21 |
Coal: Enclosed |
19 |
Bottled gas (LPG): Flued gas |
0.03 |
Reticulated gas (NG): Flued gas |
0.03 |
Diesel: Diesel burner |
0.3 |
Diesel: Central heating |
0.3 |