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