Why Is Drain Pan Maintenance Important in the Ventilation System

Multiple Choice

Why is drain pan maintenance important in the ventilation system?

A) The drain pan may drain condensate away from the HVAC.
B) The drain pan can get clogged, leading to a water overflow which can damage the surrounding area.
C) The drain pan can retain water, providing a good environment for microbial growth which may be stinky and dangerous to human health.
D) Both B and C.