Henry & Carolyn wrote:
Ugh, tom cats keep spraying our dining room window, where our cat looks
outside. What can we use to get rid of the smell and what can we use to
repel them?
TIA

Andy replies:
Animals will often avoid a place that is marked by a larger, more
powerful predator.

Go pee on your window yourself. Once the cat decides that
a large smell primate is on the prowl, it may decide to go away.
It works well in keeping rabbits out of my garden....

I suggest you do this at night...

Andy in Eureka, Texas