L Lea Member Oct 5, 2010 #1 My neighbor is telling me that blocking my heating vents with a piece of cardboard can cause a fire. Is this true? (it doesn't sound logical to me... but then again, I am never sure of my own logic!)
My neighbor is telling me that blocking my heating vents with a piece of cardboard can cause a fire. Is this true? (it doesn't sound logical to me... but then again, I am never sure of my own logic!)