Page 52 - Green Builder Sept-Oct 2020 Issue
P. 52
Abuse of Power
“The upstairs HVAC occupies a vented
attic. Leaky ducts in the attic cause
negative pressures, however, that pull
hot air down into wall cavities and
Backdraft. The red area at the top of the middle wall increase cooling loads.”
and ceiling identifies missing insulation and unwanted
air infiltration from HVAC imbalance and leaky
ductwork.
50 GREEN BUILDER September/October 2020 www.greenbuildermedia.com
46-53 GB 0920 Forever House.indd 50 10/5/20 7:54 PM
