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Energy Consumption of Major Household Appliances Shipped in Canada, Summary Report – Trends for 1990–2007

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Chapter 2 / Freezers

Full-sized chest freezers (Type 10)6 were again the most popular type in 2007, accounting for 39.4 percent of all freezers shipped in Canada. However, their market share declined from 64.9 percent in 1990, in favour of the other types, as shown in Table 3.7

Table 3 Distribution of Freezers by Type

Model
Year
Freezer Type
Type 8 Type 9 Type 10 Type 16 Type 18
  (%) (%) (%) (%) (%)
1990 16.8 0.0 64.9 0.0 18.3
1991 11.8 0.4 81.2 0.0 6.7
1992 12.9 0.3 79.2 0.0 7.6
1993 14.4 0.6 70.3 0.0 14.8
1994 12.9 0.6 71.3 0.0 15.1
1995 16.0 0.7 66.5 0.0 16.7
1996 17.1 1.1 64.0 0.1 17.7
1997 19.1 1.0 60.2 0.3 19.4
1998 21.2 1.8 57.5 0.0 19.5
1999 21.6 2.5 60.3 0.1 15.5
2000 23.9 3.1 56.2 1.2 15.5
2001 19.5 6.7 58.3 1.8 13.8
2002 24.9 9.8 48.9 0.0 16.4
2003 27.8 9.2 47.4 0.0 15.6
2004 29.4 8.3 45.5 0.0 16.8
2005 30.4 10.7 37.7 0.0 23.2
2006 28.5 8.7 45.6 0.0 17.2
2007 26.4 11.8 39.4 0.0 22.4
Total
Change
+9.6 +11.8 -25.5 0.0 +4.0

In 1990, almost all freezers required more than 50 kilowatt hours (kWh) per year to freeze each cubic foot (cu.ft) of space. As shown in Table 4, by 2007, all freezers required less than 50 kWh per year to freeze each cubic foot of space, and 74.2 percent of them consumed less than 40 kWh per cu.ft per year.

Table 4 Distribution of Freezers by Average Annual Unit Energy Consumption per Cubic Foot

Model
Year
kWh/cu. ft. per year
20–29.9 30–39.9 40–49.9 50–59.9 60–69.9 70–79.9 ≥80
  (%) (%) (%) (%) (%) (%) (%)
1990 0.0 0.0 0.9 32.1 19.3 38.3 9.4
1991 0.0 28.3 20.3 31.2 4.1 15.9 0.3
1992 3.1 18.9 58.3 15.0 4.5 0.3 0.0
1993 16.5 57.0 16.5 8.4 1.6 0.0 0.0
1994 15.4 39.0 34.9 9.0 1.9 0.0 0.0
1995 12.7 39.6 41.2 5.4 1.2 0.0 0.0
1996 12.4 40.4 37.0 10.3 0.0 0.0 0.0
1997 11.7 36.7 39.0 12.0 0.0 0.6 0.0
1998 11.0 34.6 43.1 11.3 0.0 0.0 0.0
1999 10.8 42.3 37.0 9.6 0.0 0.3 0.0
2000 10.0 37.6 41.3 8.8 0.0 2.3 0.0
2001 17.5 36.3 38.2 3.9 0.0 4.0 0.0
2002 26.7 47.5 24.9 0.8 0.0 0.0 0.0
2003 28.6 47.4 23.2 0.8 0.0 0.0 0.0
2004 28.9 48.8 22.3 0.1 0.0 0.0 0.0
2005 29.5 45.2 25.3 0.0 0.0 0.0 0.0
2006 34.8 40.4 24.7 0.0 0.0 0.0 0.0
2007 26.7 47.5 25.9 0.0 0.0 0.0 0.0
Total
Change
+26.7 +47.5 +25.0 -32.1 -19.3 -38.3 -9.4

2.1 Energy Savings

Figure 5 shows how much energy freezers might have consumed annually between 1992 and 2007 without the decrease in average annual unit energy consumption (top line) and how much energy freezers actually consumed during those years (bottom line). The divergence of the two lines represents incremental annual energy savings.

Annual Energy Savings for Freezers, 1992–2007.

On average, freezers consumed 0.06 petajoules (PJ) less per year than they would have without the contributing factors described in the Foreword. In 2007, freezers consumed approximately 0.07 PJ less than they would have without these factors. That amount is the equivalent of one year’s energy for approximately 600 households.

In 2007, cumulative energy savings for freezers reached 0.86 PJ (238.88 million kWh). Dollar savings for the study period were estimated to be $23 million (calculated at 9.5 cents/kWh).

6 The definitions of the various types of freezers can be found at oee.nrcan.gc.ca/publications/statistics/cama08/appendixb.cfm.

7 Because of restrictions in the market information available, the freezer shipment data are not as comprehensive as those for the other appliances and should be used with caution.

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