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2003 Survey of Household Energy Use (SHEU) – Summary Report





Chart 34: Penetration Rate of Condensing Furnaces Among Households That Used a Natural Gas, Propane or Oil Furnace, by Year of Construction
Year of Construction Condensing Furnaces Among Households That Used a Natural Gas, Propane or Oil Furnace (%)
All households 37
Before 1946 35
1946-1969 33
1970-1979 28
1980-1989 29
1990-2003 62

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