What certifications should I look for when sourcing industrial fans?

Essential certifications by market: - Europe: CE (mandatory), RoHS, REACH, ErP (energy efficiency for EC fans) - North America: UL/cUL (safety), ETL - Global: ISO 9001 (quality management) Application-specific: - Medical: ISO 13485, FDA - Explosive atmospheres: ATEX (EU), Class I Div 2 (NA) - Automotive: IATF 16949 - Food: NSF, FDA food-grade materials Supplier verification: Always request certificate copies with valid dates. Compare2Best verifies certifications as part of our 3-tier supplier validation.