The Areca Palm is indeed available at Ikea (i know friends who have bought some from there). I suspect the Money Plant would also be available there or most garden stores. Home Depot is another one to check.

Picture of one of the building plant rooms -

http://greenspaces.in/images/pbc_greenhouse_1.jpg

http://greenspaces.in/images/pbc_greenhouse_2.jpg

One of the things that is done in the building is that air is passed through these rooms first, and then circulated through the building.