AI6YR Ben<p>Suburban architectural mystery: why there is an external, uninsulated architectural detail which (might) link the garage attic with the house attic. Major heat conduction path through a room here. Maybe routing for heating/AC? Shows up on the FLIR.... <a href="https://m.ai6yr.org/tags/weatherproofing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>weatherproofing</span></a></p>