Energy Costs of Energy Savings in Buildings: A Review
2. Energy Return on Investment: A Revised Concept
2.1. Energy Production
2.2. Energy Saved
2.3. The Energy Ratio: Energy Return on Investment
2.4. Differences and Similarities in EROI
2.5. A Schematic Representation of the EROI Complete Concept
2.6. Additional Considerations
2.7. The Energy Payback Time (EPT)
2.8. Other Factors
3. Discussion Related to Specific Applications: Insulation and Windows
- • Addition of low-e coating on a double glazed window: EPT = 17–22 days, EROI = 592–758
- • Addition of argon to a low-e coated and doubled glazed window: EPT < 1 day, EROI = 125,000–134,000
- • Addition of krypton to a low-e coated and doubled glazed window: EPT = 4.25–11 yr, EROI = 3.2–8.2
- • Addition of a third glazing and an additional low-e coating to a low-e coated and doubled glazed window with argon filling: EPT = 1.4–1.9 yr, EROI = 18–25
- • Addition of a third glazing and an additional low-e coating and krypton to a low-e coated and doubled glazed window with argon filling: EPT = 9.6–12.8 yr, EROI = 2.7–3.6
3.3. Whole Building
Conflict of Interest
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Dutil, Y.; Rousse, D. Energy Costs of Energy Savings in Buildings: A Review. Sustainability 2012, 4, 1711-1732. https://doi.org/10.3390/su4081711
Dutil Y, Rousse D. Energy Costs of Energy Savings in Buildings: A Review. Sustainability. 2012; 4(8):1711-1732. https://doi.org/10.3390/su4081711Chicago/Turabian Style
Dutil, Yvan, and Daniel Rousse. 2012. "Energy Costs of Energy Savings in Buildings: A Review" Sustainability 4, no. 8: 1711-1732. https://doi.org/10.3390/su4081711