GB/T 50378-2019 第8.2.5条
| **** | **Scoring item**: Reasonably provide exhaust air energy recovery systems. For areas with large exhaust air volumes such as hotel guest rooms, public restrooms, and laundry rooms, exhaust air heat recovery devices should be installed, and their sensible heat recovery efficiency should not be lower than 60% (severe cold and cold zones) or 50% (hot summer and cold winter, and hot summer and warm winter zones). |