I do the same thing except my house has not cooled off. Maybe a few degrees with temps in the teens now.98% of what I burn is oak of some variety. What I do is get my house warmer that what I would really want. Then I have time to let the coal bed burn down. I have a non catalyst stove so as the load burns down I open the air slightly multiple times and close to reload time I rake the coals forward to the primary air. By the time the house is cooled off the air has been totally open for quite awhile and has burned the coals down. Works every time except for at night when I cant/dont mess with the air.