Page 13 - Green Builder Remodeling Field Report 2021
P. 13
ABUSE OF
WHAT WENT POWER
WRONG? “The upstairs HVAC
The ceiling vent hot spot occupies a vented
hints at a bigger problem: attic. Leaky ducts in
Uninsulated ducts traversing
the scorching hot the attic cause Backdraft. The red area at the top of the middle wall
unconditioned attic space. negative pressures, and ceiling identifies missing insulation and
Even with tons of air unwanted air infiltration from HVAC imbalance and
conditioning, the system however, that pull leaky ductwork.
can’t keep up with home hot air down into
cooling.
wall cavities and
increase cooling
loads.”
REMODELING FIELD REPORT GREEN BUILDER 13