Energy Performance Protocol - Large Multifamily v1.0 (EPP-LMF)
This protocol focuses on large multifamily buildings (multifamily is typically defined as residential structures with five or more units, a typical threshold used within the housing industry for multifamily rental properties). The protocol is intended for:
- Large Multifamily Buildings, where the cost of improvements and size of savings justifies greater time and effort in pre- and post- development energy analysis
- Whole Building Retrofits, projects that typically involve multiple measures with interactive effects
- High Performing Projects, projects where the projected energy savings typically cover the project investment cost
Even with these qualifications, the Energy Performance Protocol - Large Multifamily (EPP-LMF) will not be appropriate for every multifamily building. The protocol elaborated here leans heavily toward a whole building metered pre- and post- retrofit data-driven (IPMVP Option C-type) approach. However, such an approach may not be appropriate for buildings that do not have relatively stable fundamental usage patterns – e.g., buildings that are characterized by large and frequent changes in the type of space use, or unpredictable and inconsistent schedules. In such cases, alternative methods not covered here may be required.
The Energy Performance Protocols are intended as minimum requirements for an investment quality analysis and best practices to maintain, measure and verify the energy savings, not an exhaustive treatment of all possible techniques. Each section of the document establishes these minimum requirements and offers additional methods and tools that can be used to improve the reliability of savings estimation and measurement. Until sufficient performance data exist for projects following the ICP Protocols, it is not possible to gauge the magnitude of the impact of these additional processes and tools on the confidence interval around savings projection. A checklist provided as part of this document is intended for inclusion in project documents. Providers are asked to self-certify that they have fulfilled the requirements listed and to indicate what additional methods they applied.
This document will evolve over time. Some methods may move from an “additional” or “recommended” category to a standard requirement. Other methods may prove to be too burdensome relative to the benefit they provide. A scoring system may also be introduced to weigh the importance of different components and provide an overall investment confidence score for potential energy efficiency projects. The ICP invites any and all stakeholders to participate the development our protocols by applying them to retrofit projects and sharing their results. Depending on market feedback, the ICP may develop additional protocols for additional building types and use cases.
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