The only maintenance needed will be a light dusting from time to time. This is best done with the brush attachment on the end of a vacuum cleaner. Virtually maintenance free with longevity, which makes it a no brainer when coupled with aesthetic and practical reasons.
Similar to any good piece of joinery or well made piece of furniture, plantation shutters will last a life time and more. Shutters will not deteriorate like curtains and wont need to be taken down for laundering. They will not harbour mites or smell of unpleasant odours.