The Attic if great for the SW44, it keeps it away from the weather. Yes it requires Power but that can be fed from behind any one of the receivers using the Power Inserter. The only stipulation is, that Power Inserter MUST be on the line that feeds for Output Port #1 at the SW44.
Check this out;
$75 is pretty good, they are $150 from Bell, plus in the event of a failure down the road, it will be MUCH easier to get another SW44 that a Legacy Quad LNBF.