Garage Advise Question 1

[enio45]

Im building a garage - 21x50. I was thinking of making a central vac system using the largest sears wet / dry shop vac and plumbing the garage with 4 or 5 vac ports so all i need is the hose in the main garage. I'm considering putting the vac unit in the storage room along with the compressor. Any thoughts on this - anyone done this before using the sears shop vac approach...seems simple enought??. I also need to think about the on/off switch aspect, maybe get some of the home central vac wired recepticals where all you do is open the flap.