According to ACR, The NADCA Standard, what is the recommended inspection schedule for a residential supply duct?
Posted: Mon Jan 30, 2023 7:27 am
According to ACR, The NADCA Standard, what is the recommended inspection schedule for a residential supply duct?
A. Every 6 months
B. Every year
C. Every 2 years
D. Every 4 years
A. Every 6 months
B. Every year
C. Every 2 years
D. Every 4 years