EAc2 Enhanced Energy Efficiency
EAc2 增强能源效率

EAc2 — 1–12 Points | 1–12分

EAc2 — 1–12 Points | 1–12分

Impact Area Alignment: Decarbonization

影响领域对齐:脱碳

Intent | 意图

To design buildings that minimize energy use to reduce environmental damage caused by resource extraction, air pollution, and GHG emissions, and to facilitate the transition to a clean energy future.

设计最大限度地减少能源使用的建筑,以减少资源开采、空气污染和温室气体排放造成的环境损害,并促进向清洁能源未来的转型。

Requirements | 要求

OptionPoints
Option 1. Prescriptive Path1–12
Path 1. ASHRAE 90.1-2022 Compliance3
Path 2. Regulated Loads1–4
Path 3. Plug and Process Loads1–5
Path 4. Base Building Energy Efficiency2
Option 2. Energy Simulation1–12

Path 2: Regulated Loads (1–4 points)

Threshold | 阈值Points
Lighting power reduction 15%1
Lighting power reduction 30%2
Cooling/heating/SWH efficiency improvement 15%1
Fan power improvement 20%1

Path 3: Plug and Process Loads (1–5 points)

Improvement (%)Points
8%1
16%2
24%3
32%4
40%5