With YITH Multi Vendor you can turn your e-commerce store into a marketplace (a multi-vendor platform) like Amazon or Etsy. Turn your e-commerce store into a marketplace (a multi-vendor platform) and earn commissions on orders generated by your vendors.
The integration with YITH WooCommerce EU Energy Label allows also vendors to link a specific energy class (among the ones created by the admin) to each product they are selling.
For more details about how to set YITH Multi Vendor up, refer to the official documentation.