DEER Change Log History: None
| File | Start Date | End Date | Date posted | Notes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| _EUL_basis__202406251137.xlsx | 2026 Jan 1 | 2024 May 9 | With the finalization of the residential EUL study, the DEER2026 EUL_IDs are updated as follows: 
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| TO_UPDATE_EUL_basis.xlsx | 2024 May 9 | Per the final Residential HVAC and DHW Measure Effective Useful Life Study of 2024-04-09, the following changes have been made: 
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