Loading Bearing Wall
I'm glad to hear you will get professional help on this, and the liability involved. The S.E. will spec the header, posts, floor blocking, post below right down to the footing size and depth, any steel strapping for tie-in to the existing walls, etc......The potential loads above can be a few thousand pounds, more or less....
Let us know what they say, and Welcome to the forum!
Clothes taking longer to dry?
Clean the dryer screen in HOT water if using fabric softener sheets.
They leave a residue that impedes air-flow, costing you money.
Clean the ducting in the last six months? 17,000 dryer fires annually!