Do you run the furnace on heat (which makes a hot flue) while you have the
AC running? If so, please report for psychiatric treatment, soon.

Christopher A. Young
Learn more about Jesus
www.lds.org
..


Yup. That flue does get pretty hot.

Probably couldn't hurt to replace it with an insulated flue.

--Winston

To what end?
Unless it's in a space you air condition.