Eli5: Why do they say windchill doesn’t affect objects yet fans are used for cooling?

Question

Basically title, you always hear “windchill only affects humans” but we use fans to cool things all the time?

In: Physics

Answer 1

It does affect some things. For example in cold weather we never had pipes in the walls at our 100+ yr old house freeze but at the same temp with negative wind chills we did get frozen pipes from the wind blowing through.