No drip pan. There is a small "kit" you have to order. It is a small elbow fitting that the drip line will attach to. It will place the drip line connect in an odd , front right, position so be aware of that and have enough extra line available to reach that point. All else is standard and it will fit the old 14 x 14 hole perfectly. Unless you have a safe and easy way to lift the AC up top really try to find a shop to do it. A good horse trailer shop will do because they install AC units in some of their high end units. I use a tractor with a front end loader and go slow and careful.
"If it can't be reduced, reused, repaired, rebuilt, refurbished, refinished, resold, recycled or composted
then it should be restricted, redesigned or removed from production."