Achievement Pathways Points Commercial Interiors 1–12
Option 1. Prescriptive Path 1–12
Path 1. ASHRAE 90.1-2022 Compliance for Project Scope 3 AND/OR
Path 2. Regulated Loads 1–4
Case 1. Additional Efficiency— Systems Optimization 1–4 OR
Case 2. Additional Efficiency Requirements Beyond ASHRAE 90.1-2022 1–4 OR
Path 3. Plug and Process Loads (PPL) 1–5
Case 1. Plug Load Management 1 AND/OR
Case 2. Efficient Plug and Process Load Equipment 1–5 OR
Case 3. Plug and Process Load Exceptional Calculation 1–5 AND/OR
Path 4. Base Building Energy Efficiency 2
OR
Option 2. Energy Simulation 1–12
Path 1. Percentage Reduction Excluding On-Site Renewable Contribution 1–12 OR
Path 2. Percentage Reduction Including On-Site Renewable Contribution 1–12
Option 1. Prescriptive Path (1– 12 points) PATH 1. ASHRAE 90.1-2022 COMPLIANCE FOR PROJECT SCOPE (3 POINTS) Comply with the provisions of ASHRAE 90.1-2022, Sections 5–11, for the project scope of work. AND/OR PATH 2. REGULATED LOADS (1–4 POINTS) Apply Case 1 or Case 2, up to a maximum of 4 points:
Case 1. Additional Efficiency — Systems Optimization (1–4 points) Points are awarded according to
Table 1. For projects complying with Path 1, reference ASHRAE 90.1-2022 or approved equivalent standard. For other projects registered prior to January 1, 2028, reference ASHRAE 90.1-2019 or approved equivalent standard.
Table 1. Systems optimization Threshold Points Lighting power. Reduce connected lighting power, including existing fixtures below the lighting power allowance by the specified percentage. 15% 1 30% 2 Cooling, heating, and SWH efficiency. Demonstrate the specified percent improvement in prescriptive efficiencies for at least 75% of the combined cooling, heating, and SWH capacity installed or replaced in the project scope of work. 15% 1 Fan power. Demonstrate the specified percent improvement in fan power below the prescriptive fan power limitation for systems altered or replaced in the project scope of work. 20% 1 OR
Case 2. Additional Efficiency Requirements Beyond ASHRAE 90.1-2022 (1–4 points) Applicable only to projects complying with ASHRAE 90.1-2022, Sections 5–11, that are also defined as “substantial alterations to existing buildings” per ASHRAE 90.1, Section 11.1.4. Points are awarded according to
Table 2. Document achievement of incremental ASHRAE 90.1-2022, Section 11, energy credits above the minimum required by ASHRAE 90.1-2022, Section 11, from the following list of eligible measures: Eligible measures from ASHRAE 90.1, Section 11.5.2, for LEED points
- HVAC measures (H01 to H07)
- SWH measures (W01 to W09)
- Lighting measures (L01 to L06)
- G07 Building Mass/Night Flush
Table 2. Points for ASHRAE 90.1-2022, Section 11 Credits ASHRAE 90.1-2022, Section 11 Credits Points Minimum required by 90.1-2022 plus 13 credits 1 Minimum required by 90.1-2022 plus 25 credits 2 ASHRAE 90.1-2022, Section 11 Credits Points Minimum required by 90.1-2022 plus 38 credits 3 Minimum required by 90.1-2022 plus 50 credits 4 AND/OR PATH 3. PLUG AND PROCESS LOADS (1–5 POINTS)
Case 1. Plug Load Management (1 point) Implement the following:
- Provide a plug load dashboard that is accessible through an application to all regular occupants of the space.
- For tenant types with IT departments, implement policies for PCs, monitors, and visual displays to be controlled off when not in use, except for scheduled maintenance periods. AND/OR
Case 2. Efficient Plug and Process Load Equipment (1–5 points) Implement one or more of the following:
- Install or reuse eligible plug and process equipment meeting the criteria in Table 3 for 90% of applicable equipment by quantity or rated load. Either include or exclude all eligible equipment reused in the project from the calculations. For one Table 3 equipment category (1 point)
- For two Table 3 equipment categories (2 points)
- For three or more Table 3 equipment categories (3 points) OR For process-intensive spaces, install or reuse eligible plug and process equipment meeting the criteria in Table 3 for at least 90% of total applicable equipment rated load. Rated load of compliant equipment must total at least:
- 0.3 W/sq. ft. (3.2 W/sq. m.) (3 points)
- 0.5 W/sq. ft. (5.4 W/sq. m.) (4 points)
- 1.0 W/sq. ft. (10.8 W/sq. m.) (5 points)
Table 3. Plug, Process, Refrigeration, and Conveyance Equipment Criteria Equipment Category Applicable Equipment Criteria ENERGY STAR products: plug Office equipment Appliances Electronics ENERGY STAR rated or approved equivalent with at Equipment Category Applicable Equipment Criteria loads and small appliances Other (e.g., vending machines, pool pumps, water coolers) least 0.1 W/sq. ft. (1.1 W/sq. m.) of total rated load ENERGY STAR products: process loads Commercial food service equipment Data center/server equipment Commercial laundry equipment Electric vehicle chargers (EVSE) Other (e.g., laboratory-grade refrigerators and freezers) ENERGY STAR rated or approved equivalent with at least 0.1 W/sq. ft. (1.1 W/sq. m.) of total rated load People conveyance Elevators Escalators Moving walkways ISO 25745 At least Class A-rated Data center electrical system Electrical system design ASHRAE 90.4-2022 Design electrical loss component (ELC) is at least 20% lower than the maximum design electrical loss Refrigeration systems Referenced in ASHRAE 90.1, Section 6.8, tables AND not ENERGY STAR eligible 10% improvement beyond ASHRAE 90.1, Section 6.8, tables Refrigerated warehouse California Title 24-2022, Section 120.6, refrigerated warehouse requirements Airport equipment Baggage handling equipment Individual carrier systems (ICS) with variable frequency drive Aircraft and jetway air-conditioning Preconditioned air (PCA) systems with efficiencies meeting ASHRAE 90.1 prescriptive efficiencies for HVAC equipment OR
Case 3. Plug and Process Load Exceptional Calculation (1–5 points) Using the ASHRAE 90.1, Section G2.5, exceptional calculation method, demonstrate a minimum percentage improvement in total project plug and process, refrigeration, and conveyance loads. Points are awarded according to
Table 4.
Table 4. Points for Percent Improvement in Plug and Process Loads Improvement (%) Points 8% 1 16% 2 24% 3 32% 4 40% 5 AND/OR PATH 4. BASE BUILDING ENERGY EFFICIENCY (2 POINTS) Locate in a base building that complies with one of the following:
- ASHRAE 90.1-2022
- Current ENERGY STAR score of at least 75
- LEED base building documentation of energy efficiency per Table 5
Table 5. LEED Base Building Documentation of Energy Efficiency Interior Fit-out Classification LEED Base Building Documentation of Energy Efficiency Rating System(s) EA credit name and credit option Rating System(s) Initial build-out LEED v5 BD+C Initial build-out LEED v5 BD+C Alterations of previously occupied space LEED v5 O+M Alterations of previously occupied space LEED v5 O+M Initial build-out LEED v4 or LEED v4.1 BD+C Initial build-out LEED v4 or LEED v4.1 BD+C
OR
Option 2. Energy Simulation (1– 12 points) Demonstrate an improvement in future source energy calculated per ASHRAE Standard 90.1, Normative Appendix G, “Performance Rating Method,” with the following additional provisions:
- Use the ASHRAE 90.1 version applied for EAp2: Minimum Energy Efficiency.
- Replace ASHRAE 90.1-2019 or 90.1-2022,
Table 4.2.1.1, Building Performance Factors (BPFs), with Table 7 below. For alterations except initial build-out construction, the following ASHRAE 90.1-2022 adjustments may be applied: o Substantial alteration. Multiply the BPF by 1.05 if the alteration is defined as a substantial alteration in ASHRAE 90.1-2022, Section G3.1.4(a). o Other alterations. Apply ASHRAE 90.1-2022, Section G3.3 (“Performance Calculations for Other Alterations”). For projects documented using ASHRAE 90.1-2019, Appendix G, replace all references to 90.1-2022, Section 5–10, prescriptive criteria with the corresponding 90.1-2019, Section 5–10 criteria.
- Replace all references to “cost” with “future source energy.” Use an electric site-to-source energy conversion factor of 2.0 based on future projections for the U.S. A lower national average value may be used as applicable for projects outside of the U.S.
- Model energy efficiency measures for plug and process loads using Section G2.5, “Exceptional Calculation Method,” or approved calculations in the LEED reference guidance. Calculate the PI and percentage improvement with and without the plug and process savings.
- Calculate the PI and performance index target (PIt) as follows:
- PInre = PBPnre / BBP
- PI = PBP / BBP
- PIt = [BBUE + (BPF x BBRE)] / BBP where: o PInre = PI for future source energy excluding on-site renewable contribution o PI = PI for future source energy including on-site renewable contribution o PIt = performance index target for future source energy use o BBP = baseline building performance for baseline building future source energy use o BBUE = baseline building unregulated future source energy use o BBRE = baseline building regulated future source energy use o PBPnre = proposed building performance without any credit for reduced annual future source energy from on-site renewable energy generation systems o PBP = proposed building performance, including the reduced annual future source energy associated with all on-site renewable energy generation systems Points are awarded according to Table 6, using either Path 1 or
Path 2.
Table 6. Points for Percentage Improvement in PI Below PIt
Path 1. Percentage Reduction Excluding On-Site Renewable Contribution (100%–PInre/PIt) OR
Path 2. Percentage Reduction Excluding On-Site Renewable Contribution (100%–PI/PIt) Points 0% 5% 2 2% 10% 3 4% 20% 4 6% 30% 5 8% 40% 6 10% 50% 7 12% 60% 8 14% 70% 9 16% 80% 10 18% 90% 11 20% 100% 12
Table 7. ASHRAE 90.1-2019—Equivalent BPFs for a Future Source Energy Metric Building Type Climate Zone 0A 0B 1A 1B 2A 2B 3A 3B 3C 4A 4B 4C 5A 5B 5C 6A 6B 7 8 Multifamily 0.74 0.69 0.73 0.70 0.73 0.70 0.71 0.70 0.63 0.70 0.71 0.69 0.68 0.70 0.70 0.68 0.68 0.68 0.74 Healthcare/hospital 0.72 0.72 0.73 0.73 0.74 0.71 0.72 0.74 0.71 0.72 0.73 0.71 0.74 0.73 0.80 0.73 0.77 0.78 0.79 Hotel/motel 0.72 0.71 0.72 0.71 0.71 0.70 0.71 0.73 0.72 0.71 0.73 0.73 0.71 0.73 0.74 0.70 0.72 0.70 0.70 Office 0.62 0.63 0.61 0.62 0.58 0.60 0.57 0.62 0.55 0.55 0.61 0.57 0.58 0.61 0.59 0.58 0.60 0.54 0.58 Restaurant 0.65 0.62 0.63 0.61 0.62 0.58 0.63 0.63 0.63 0.67 0.66 0.66 0.70 0.70 0.68 0.73 0.72 0.74 0.77 Retail 0.57 0.54 0.53 0.53 0.48 0.47 0.47 0.47 0.47 0.52 0.50 0.56 0.57 0.53 0.59 0.58 0.56 0.53 0.60 School 0.57 0.57 0.58 0.57 0.55 0.54 0.57 0.51 0.49 0.48 0.51 0.52 0.51 0.53 0.51 0.53 0.50 0.51 0.58 Warehouse 0.28 0.30 0.24 0.27 0.23 0.24 0.27 0.23 0.20 0.33 0.26 0.28 0.40 0.32 0.29 0.44 0.38 0.40 0.44 All others 0.65 0.62 0.64 0.62 0.57 0.54 0.57 0.56 0.58 0.59 0.57 0.60 0.60 0.59 0.65 0.62 0.62 0.61 0.64
达标路径:1–12 分
选项 1. 规定性路径(1–12 分)
路径 1. 项目范围符合 ASHRAE 90.1-2022 第 5–11 节(3 分)
和/或 路径 2. 受控负荷(1–4 分) 采用情形 1 或情形 2,最高 4 分。
情形 1. 额外能效——系统优化(1–4 分) 按表 1 对照明功率、冷热/SWH 设备效率、风机功率的改善幅度得分。
或 情形 2. 超越 ASHRAE 90.1-2022 的额外能效要求(1–4 分) 仅适用于符合 90.1-2022 第 5–11 节且按 90.1 第 11.1.4 节定义为「既有建筑重大改造」的项目。按表 2 在 90.1-2022 第 11.5.2 节 HVAC(H01–H07)、生活热水(W01–W09)、照明(L01–L06)及建筑体块/夜间通风(G07)等措施中,超出最低要求的得分数量计分。
和/或 路径 3. 插接与工艺负荷(PPL)(1–5 分)
情形 1. 插接负荷管理(1 分) 提供面向所有常规使用者的插接负荷仪表盘;有 IT 部门的租户须制定策略,在非使用时段(维护时段除外)关闭 PC、显示器和视觉显示设备。
和/或 情形 2. 高效插接与工艺设备(1–5 分) 安装或复用满足表 3 标准的设备,覆盖 90% 的适用设备数量或额定负荷:一个设备类别得 1 分;两个类别得 2 分;三个及以上类别得 3 分。工艺密集型空间另可按合规设备额定负荷密度得分(0.3、0.5、1.0 W/平方英尺)分别得 3、4、5 分。表 3 涵盖 ENERGY STAR 办公设备/电器/电子产品、商业餐饮服务设备/数据中心设备/商用洗衣设备/电动汽车充电设备、人员输送设备(电梯/自动扶梯/步道)ISO 25745 A 级、数据中心电气系统按 ASHRAE 90.4-2022 设计 ELC 低于最大设计损失 20%、制冷系统效率较 90.1 第 6.8 节提高 10%、机场设备等。
或 情形 3. 插接与工艺负荷特殊计算(1–5 分) 采用 ASHRAE 90.1 G2.5 特殊计算方法,证明 PPL 综合改善 8%、16%、24%、32%、40%,分别对应 1–5 分。
和/或 路径 4. 基础建筑节能效率(2 分) 项目所在建筑符合 ASHRAE 90.1-2022,或当前 ENERGY STAR 评分不低于 75,或提供表 5 所列 LEED 基础建筑节能文件。
或 选项 2. 能源模拟(1–12 分) 按 ASHRAE Standard 90.1 规范附录 G「性能评级方法」计算未来一次能源的改善率,附加规定:采用 EAp2 所选 90.1 版本;用表 7 为未来一次能源指标导出的 BPF 替代 90.1-2019/2022 表 4.2.1.1;非首次装修可按 90.1-2022 G3.1.4(a) 重大改造乘以 1.05,其他改造按 G3.3 节;将「成本」替换为「未来一次能源」,电网站点到一次能源转换系数取 2.0(美国境外可用较低全国平均值);插接与工艺负荷节能按 G2.5 特殊计算方法,并分别计算含与不含该节能的 PI 与 PIt;按 PI 相对于 PIt 的降低百分比得分,0%–20% 对应 5–12 分。