Table 14
Furnace filter maintenance intervals, Canada and provinces
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| Households that had a forced air furnace | Frequency of furnace filter cleaning or replacement during the last twelve months 1 | |||||
|---|---|---|---|---|---|---|
| Every three months or more often | Every six months | Once | Not changed | Did not know | ||
| percent | ||||||
| Canada | 53 | 42 | 24 | 22 | 5 | 6 |
| Newfoundland and Labrador | 27 | 22 E | 26 E | 42 | F | F |
| Prince Edward Island | 40 | F | F | 55 | F | F |
| Nova Scotia | 45 | 22 | 19 | 40 | F | F |
| New Brunswick | 22 | 34 | 19 | 31 | F | F |
| Quebec | 16 | 36 | 16 | 28 | 7 E | F |
| Ontario | 73 | 46 | 24 | 19 | 4 | 7 |
| Manitoba | 72 | 49 | 29 | 14 | F | F |
| Saskatchewan | 80 | 49 | 25 | 19 | 2 E | 5 E |
| Alberta | 81 | 47 | 25 | 18 | 5 | 4 E |
| British Columbia | 47 | 27 | 24 | 34 | 8 | 6 |
As a percentage of those households that had
a forced air furnace as the primary heating system.
Source(s):
Statistics Canada, Environment Accounts and Statistics Division, Households
and the Environment Survey, 2007.
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