AVS Special Member
Join Date: Sep 2007
Location: Give a monkey a brain...
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I think that the idea of security installers being more adept at retrofit work is mostly legend.
Sure there are some older, experienced security installers that are experts at retrofit, but nobody retrofits security anymore - not wired. Wireless has gotten to the point that it nearly matches hardwired for reliability, and an installer would be a fool to run a new cable for a contact sensor. Been that way for a while.
I think you should get some quotes through a CEDIA referral for the hardwired retrofit, and also discuss the reliability of a well-designed wifi system with each of the salesmen. Not all AV installers will be experts in IT, though. Might have to call a few, and check references, to find the best. ANYONE can install a wireless system, but not many can do a 100% reliable setup, using 1 or more wireless access points.
If you decide on wireless, and can't find a CEDIA referral company with enough IT expertise, you may be able to contact a local commercial IT/network firm that also does residential.
Maybe a mix of wired (in the rooms easy to retrofit) and wireless - hopefully you can find someone through CEDIA.
Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense. -Buddha
Give a monkey a brain and he'll swear he's the center of the universe. -Fishbone