I asked my builder the same question on the walk through of my house here in TV the morning of the closing. He recommended having SECO install the whole house surge protection because they can install at the meter, which he said is the best way to do it. I don't know whether an electrician can install at the meter. When I had an electrician install whole house surge at my house in Atlanta, he did so at the main electrical panel.
I bought the unit from SECO because I don't like paying rental fees. However, the advantage of renting, I'm told, is if the unit is damaged by a surge, SECO will replace it for free. If you've purchased it already, you'll have to buy the replacement (or elect to start renting it).
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