We check the ducts along with the insulation
Your attic usually holds more than insulation. The ducts and often the equipment live up there too, and they work as one system with it. So when I go up, I look at the ducts and the equipment along with the insulation, and I tell you plainly what I find, even when it's a problem that belongs to another trade.
Order matters just as much. New insulation over air leaks, damp wood or a furnace that isn't venting right just hides the trouble, so the fix comes first. Then we seal the air leaks and keep the eave vents clear so the attic can still breathe. I'd rather tell you what needs doing first than sell you a job that looks nice and doesn't help.

