Ventilation for buildings. Performance testing of components/products for residential ventilation. Part 7: Performance testing of a mechanical supply and exhaust ventilation units (including heat recovery) for mechanical ventilation systems intended for single family dwellings.
建筑物的通风 住宅通风部件/产品的性能测试 第7部分:单户住宅机械通风系统用机械送排风装置(包括热回收)的性能试验