I can't say for sure, I've never stacked units.
But I would think a full washer is VERY heavy. Maybe 100 pounds of
washer, 20-25 pounds of clothes, and 100-200 pounds of water. That may
be a difficult thing to stack safely, so they don't expect it will be
done (and may not design the units for stacking i.e. with
feet/supports).

michele wrote:
Do any of you have experience with stacking two washers together (and
two dryers together) as opposed to the usual washer/dryer stack?

I have a small laundry room, and wanted to put the washers together
at
one end of a wall, and the dryers at the other end with a few
cabinets
in between for folding. Placement is mainly because of the location
of
the water lines, but also on the units I've chosen (Miele) the washer
is hinged right and the dryer is hinged left. Stacking them in the
traditional way makes for a more difficult access of one of the
machines in each stack.

Miele tech support told me I can't stack the washers (dryers however
are stackable!), but couldn't tell me why. I'm not sure if I'm
satisfied...

Any thoughts?

Thanks,
Michele