Number of households by type of dwelling1
Double/row houses Low-rise apartments High-rise apartments Mobile homes
Households using supplementary heating equipment
Yes 622,303 A 228,350 A 122,699 M 37,137 M
No 1,084,337 A 1,708,823 A 771,205 A 123,631 M
Don't know U U U
Not stated U U U U
Type of supplementary heating equipment used most often
Electric baseboards 136,055 M U U U
Portable electric heater 213,048 M 99,717 M U U
Wood stove U U U
Wood fireplace U U
Gas fireplace 145,452 M U U U
Electric fireplace U U U U
Furnace U U U
Radiant floor heating U U U
Other U U U
Don't know U
Not stated 73,583 M 119,943 M U U
Use of supplementary heating equipment in an average week during the heating season
Did not use supplementary heating during an average week 162,977 M U U U
1 to 7 hours 158,356 M U U U
8 to 21 hours 143,672 M U U U
22 to 50 hours U U U U
51 hours or more U U U U
Don't know U U U U
Not stated U 123,929 M U U
Households using a supplementary furnace
Yes 146,171 M U U U
No 470,553 A 177,867 M U U
Don't know U
Not stated U 112,300 M U
Energy source of the supplementary furnace
Electricity 67,363 M U U U
Natural gas U U U
Heating oil U U
Wood U U U
Propane U U
Dual sources U U U
Don't know U
Not stated U 112,541 M U


1 Does not include the "Don't know/not stated" category.


Due to rounding, the numbers may not add up and may differ slightly among tables.


The letter beside each estimate classifies its quality as follows: A–Acceptable, M–Use with caution, U–Too unreliable to be published.


2011 Survey of Household Energy Use