Smokestack Built Into a House
Puzzle 14 of Home Improvement Easy Pack
Question is: Smokestack Built Into a House
and the answer is: CHIMNEY
Word Meaning:
CHIMNEY — A vertical tube or hollow column used to emit environmentally polluting gaseous and solid matter (including but not limited to by-products of burning carbon- or hydrocarbon-based fuels); a flue.
Definitions from Wiktionary.