Condensation on the outside of your air handler can be an effect of an underlying issue.
Insulate outside of air handler.
Then measure the outside diameter on the larger of the two tubes the skinny tube doesn t need insulation.
Moreover the excess moisture can lead to a damaged plenum mold or termites.
Here are the most common reasons for air handlers sweating so you can stop the condensation.
I rarely run the unit in the summer time to cool the house.
So you need to install new insulation.
Keeping your air handler in a hot florida attic is like throwing money out the window.
The insulation inside the air handler should also be enough to prevent major heat loss in winter months.
Start by peeling off all the old air conditioner foam insulation.
However air handler sweating is different.
Hvac industry insiders follow the protocol of placing air handlers and ductwork whenever possible in cooler locations because this lets the air handler actually cool itself down which lowers its operating costs.
Fiberglass insulation inside the cabinet.
Unfortunately you won t find the right insulation at any home center.
This insulation is supposed to prevent the air handler from sweating and condensing moisture on its exterior during warm weather.
Most come with 1 2 in.