How to make an evaporative air cooler out of a box fan.
How to replace swamp cooler with attic fan.
This is due to the development of condensation within the ducts leading to mold growth.
It is best to remove the ductwork from your attic when you remove a swamp cooler from the roof.
Evap swamp coolers are great for dry climates.
If you choose not to remove the ductwork you could install a large attic fan in the roof void.
Diy how to replace a pillow block bearing on a swamp cooler.