Black Spots?

If you live in florida and your Air Handler Unit (AHU) is located in a non-conditioned space (Like attics, Garage etc), you may probably find this "Black Spots" by the AC, It is very common. We come across of this situation everyday more that 10 times per day, In many cases the homeowner does not realize they have been living with this black spots for years.

The Good news that they can be easy cleaned!