Skip to content
WorkZen
Academy
Home
All Trades
My Progress
en
English
EN
Français
FR
Español
ES
Menu
Home
All Trades
My Progress
Search certifications...
en
English
EN
Français
FR
Español
ES
Academy
HVAC
NCI Commercial System Performance Specialist
Energy Analysis
Knowledge Check
Energy Analysis
Knowledge Check
Knowledge Check
1 / 15
What percentage of total commercial building energy does HVAC typically account for according to NCI commercial energy analysis data?
A
25 to 35%
B
15 to 20%
C
40 to 60%
D
70 to 80%
Check Answer
Back to lessons
Next module: Economizer testing
Next module: