@boodad12 @loofymectin @johnholland @DrEricDing CR is about 10x more cost efficient according to this paper. That being said, if you're not that cost sensitive the retail HEPA air cleaners can have some advantages in terms of noise, features, form factor, etc.
https://www.tandfonline.com/do...
@boodad12 @loofymectin @johnholland @DrEricDing 根据本文，CR 的成本效率提高了大约 10 倍。话虽如此，如果您对成本不那么敏感，那么零售 HEPA 空气净化器在噪音、功能、外形等方面可能具有一些优势。
https://www.tandfonline.com/do...