replying to Clint Sharp, Ren wrote:
I also have this problem but it is an old house. It has the spiral staircase
leading from the kitchen to the basement. Code required we move the oil
furnace to a spot in the basement , so now all you hear is the oil furnace. I
was thinking about a trap door to cover the stairs for the purpose of keeping
some of the furnace noise out.
https://www.homeownershub.com/img/cy