Figure 2.10: Relative contribution of different heating methods to domestic heating emissions in Christchurch in 1999

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Open fire - wood 15,600 households, open fire - coal 5,700 households; pre-1989 woodburner 10,000 households;1989-92 woodburner 5,000 households; post-1992 woodburner 17,800 households; multi-fuel burner - wood 2,200 households; multi-fuel burner - coal 1,700 households.