How good is spray foamed attic

full image - Repost: How good is spray foamed attic (from Reddit.com, How good is spray foamed attic)

We are moving to Georgia and found a spec home that meets our needs. But it has no networking cables other than coax. It is almost complete so can’t change anything. But it has a spray foamed attic, which the builder says will keep the attic within 10 degrees of our house(?). Is it feasible to store/operating my networking gear (router, switch….) in the attic as this would make it easy to I stall network outlets throughout the house.

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