The Flue

I tapped the blueprints, explaining that the S-curve design in the chimney was industry standard to trap heat and prevent downdrafts. The client ignored me, taking a red pen to draw a thick, straight line connecting the guest room trapdoor directly to the basement incinerator. "Efficiency isn't the priority," he muttered, staring into the fire. "I just can't have the wet logs getting stuck in the throat again."