we have central vac with tons of suction- anything in its path and slurp! it's gone. Before we installed hardwood floors I used the vac AND the regular vacuum to get all the dog hair. The cost for a beater bar on the central vac- $325.00- 9 years ago. We have the Hoover upright, I went for the allergen removing (i.e. hair) one which was about $159.00.
My son and spouse think vacuuming once a week is sufficient. I beg to differ, but it's their job so I live with the hair on the couch. They get the idea I want it vacuumed when I won't sit down.