This insulation is supposed to prevent the air handler from sweating and condensing moisture on its exterior during warm weather.
Insulate outside of air handler.
So you need to install new insulation.
Moreover the excess moisture can lead to a damaged plenum mold or termites.
Start by peeling off all the old air conditioner foam insulation.
The insulation inside the air handler should also be enough to prevent major heat loss in winter months.
However air handler sweating is different.
Most come with 1 2 in.
Condensation on the outside of your air handler can be an effect of an underlying issue.
Here are the most common reasons for air handlers sweating so you can stop the condensation.
The air handler and supply ducts are all in the attic and so are outside of the insulating envelope of the house.
Keeping your air handler in a hot florida attic is like throwing money out the window.
Fiberglass insulation inside the cabinet.
I rarely run the unit in the summer time to cool the house.
But i do run it for about 9 months of the year to heat the house.
Also attic ducts often leak.