Insulate Outside Of Air Handler

Fiberglass insulation inside the cabinet.

Insulate outside of air handler.

Keeping your air handler in a hot florida attic is like throwing money out the window. Condensation on the outside of your air handler can be an effect of an underlying issue. This insulation is supposed to prevent the air handler from sweating and condensing moisture on its exterior during warm weather. Then measure the outside diameter on the larger of the two tubes the skinny tube doesn t need insulation.

But i do run it for about 9 months of the year to heat the house. The insulation inside the air handler should also be enough to prevent major heat loss in winter months. So you need to install new 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. Start by peeling off all the old air conditioner foam insulation. I rarely run the unit in the summer time to cool the house. The air handler and supply ducts are all in the attic and so are outside of the insulating envelope of the house.

Here are the most common reasons for air handlers sweating so you can stop the condensation. Also attic ducts often leak.