
BDF
Certification of buildings according to criteria including the environment and health.
This certification is best suited for German prefabricated house manufacturers (Fertighausunternehmen) operating in the timber-frame construction sector who want to demonstrate compliance with quality, environmental, and health standards. It is particularly relevant for BDF member companies seeking to differentiate their products in the German residential construction market.
Certification
German
1989
Audubon Cooperative Sanctuary Certification
Audubon International
SEAM Buildings + Interiors (B+I) Certification: Developer
SEAM
SEAM Buildings + Interiors (B+I) Certification: Occupier
SEAM
SEAM Certification O+M Certification: Developer
SEAM
SEAM Operations + Maintenance (O+M) Certification: Occupier
SEAM
WELL Performance Rating
International WELL Building Insititute
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Program WebsiteBDFLast verified Mar 11, 2026