The SMH1713S can be set up to vent inside, with filtered air recirculated into the room from vents located in the front that are concealed from view. You can follow the link below for a downloadable pdf of the installation instructions:
http://ars.samsung.com/customer/usa...Please note that these instructions are the same for all Samsung over the range microwaves, including your SMH1713S, though it is important to confirm the blower is angled appropriately for your desired venting.
Thank you,
Ms. Samsung
answered 1 year, 8 months ago

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MsSamsung
SamsungHQ