A:Answer Hi AMY,
Thanks for reaching out and we hope you are in good health. We are happy that you are interested in Samsung Hoods. Yes, this hood can be set to Non-Vented (recirculating).
I have included the link for the Hoods user manual. Please click on the link and turn to page 5 for installation guidelines.
https://downloadcenter.samsung.com/content/UM/201712/20171226100348965/LIB0141834_Premium_Plus_NK30K7000WS_A2.pdf
Please feel free to communicate with us through the channels below if you have additional questions.
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Your reference number: 1144242428
Leo