What a horribly long name to have to work with for a logo. Maybe try and create something with CDWD as the mark with the actual name as a tagline or some mark that doesn't encompass the name at all in a similar vein.
Don't suppose you can talk them into a new name... When I made UKGuest.com they were calling themselves guest-accommodation.co.uk so I came up with UKGuest and sold them on that, partly because I didn't want to be making a logo with such a long name, largely because branding a name is easier with something unique and memorable rather than a generic phrase.
Of what you've got so far I actually think #1 fits quite well (with what I imagine the company to be) with some refinement. #2 certainly has some potential as well.
I like 9 and 12 but don't think they fit.
#13 suggests wind and has a crack in it - not something you would want to associate with windows.
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