Is office automation effective and efficient?

Yes of course,

First, it ease data exchange, data managment, and information save, using speceifc softwares and communication hardware (i.e. Fax, phone), and Computers

Secondly, automated office provide comfort and controllability in every device such as controlling heating and cooling systems, automated safety systems, and lighting optimization,

using a web of buttons, sensors, transducer , and software

MSA

Office automation is both effective and efficient as it helps in efficiently controling resource consumption as well as creating optimised level of lighting and cooling/heating that ensure higher productivity.