Closing off HVAC vents

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Greetings all,

I live in the basement unit of my building which shares the same HVAC unit as the first floor. It is completely controlled by the first floor tenants but has six vents that are directed to the basement unit. I am going to move out soon and want to close those vents off completely so only the first floor receives the heat/air. There are baseboards in the basement unit as well which provide ample heat.

I've read before that closing vents in a room that doesn't get used actually isn't good for the system and was wondering if closing off the vents entirely will actually negatively affect my HVAC system or if this can be done.

Thanks,

Tim