Questionnaire Text

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[All]
H21. How is your house or apartment heated? Check ONLY the kind of heat you use the most.

Heated by

[] Steam or hot water
[] Warm air furnace with individual room registers
[] Floor, wall, or pipeless furnace
[] Built-in electric units
[] Room heater(s) connected to chimney or flue
[] Room heater(s) not connected to chimney or flue
[] Other method - Write in: ____________________

[] Not heated