On Mon, 03 Apr 2017 21:33:44 -0400, Dan Espen wrote:

At a garage sale, I picked up three vacuum cleaners for almost nothing
(because my fourth vacuum cleaner isn't all that great on carpets) and
three of the four work fine (the Dirt Devil has a broken belt & roller).

How are 4 going to work better than one?

Four floors.
One on each floor.

But really, I just want the two best ones.
The other two I'll take apart for fun.

Install a whole house vac.

I already have a whole house vac.
http://i.cubeupload.com/YM0MDz.gif