Table 3. Potential Efficiency Gains, and Energy and Carbon Emission Savings, of
Replacing Existing 1997 Appliances
| |
Refrigerator |
Freezer |
Room AC |
Central AC |
Natural Gas
Space Heat |
Natural Gas
Water Heat |
| 1997
Stock Efficiencies (1992 = 100) |
1.32 |
1.14 |
1.16 |
1.11 |
1.04 |
1.09 |
| 1997
Consumption (Tbtu) |
437 |
125 |
68 |
320 |
3347 |
1061 |
| 1997
Carbon Emissions (MMTC) |
21.7 |
6.2 |
3.4 |
15.9 |
48.2 |
15.3 |
| |
Replacing
All of 1997 Stock |
| Efficiency
(1992 = 100) |
1.8 |
1.76 |
1.27 |
1.29 |
1.22 |
1.15 |
| Efficiency
Gain |
36% |
54% |
9% |
16% |
17% |
6% |
| Energy
Savings (TBtu) |
159 |
68 |
6 |
52 |
579 |
58 |
| Carbon
Savings (MMTC) |
7.9 |
3.4 |
0.3 |
2.6 |
8.3 |
0.8 |
| |
Replacing
1997 Stock 10 Years or Older |
| Efficiency
(1992 = 100) |
1.67 |
1.67 |
1.26 |
1.25 |
1.18 |
1.14 |
| Efficiency
Gain |
27% |
46% |
9% |
13% |
13% |
5% |
| Energy
Savings (TBtu) |
116 |
58 |
6 |
40 |
451 |
49 |
| Carbon
Savings (MMTC) |
5.8 |
2.9 |
0.3 |
2.0 |
6.5 |
0.7 |
| |
Potential
Savings from These Appliance Replacements |
|
| |
1997
Stock Replaced All |
|
1997
Stock Replaced 10 Yrs.+ |
|
| |
Energy
Savings (TBtu) |
923 |
|
Energy
Savings (TBtu) |
720 |
|
| |
Carbon
Savings (MMTC) |
23.4 |
|
Carbon
Savings (MMTC) |
18.1 |
|
Sources: Energy
Information Administration, 1997 Residential Energy Consumption Survey;
Jim McMahon, Lawrence Berkeley National Laboratory, unpublished data.
[Trends in Building-Related Energy and Carbon Emissions]
Contacts
- Specific
questions on this topic may be directed to:
- Stephanie
Battles
- Stephanie.Battles@eia.doe.gov
- (Phone:
(202) 586-7237)
- FAX:
(202) 586-0018
Contact Us
URL: http://www.eia.gov/emeu/efficiency/aceee2000table3.html
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Modified: September 14, 2000
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