Cat smell or cat urine smell?
If it is the latter, I have had success with Nature's Miracle. If the smell is just the animal, that will diminsh with time and with changing out blinds, flooring, wall ... read more
I guess it would really depend on what type of home, the age of it and where it's located. Most of your older homes (prior to 1940) have a lot custom details you want to keep intact. If it's really ol ... read more