I'm by no means an expert, but I would guess that the cost of installing it in an existing structure would be more expensive.
Oddly, I was supposed to attend a two hour training lecture on this subject last week, but had to miss it. I will try to get better info from my co-workers and report back.....sorry.
Frank D.
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The Plantation in Leesburg, just south of you good people. Love being a Floridian!
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