Greenergy_Air

Air ducts are hidden inside your walls, which makes it hard to know when they actually need attention.

This guide, backed by EPA and NADCA guidance, walks through 7 real warning signs, from mold and pest activity to musty odors and debris blowing from vents, and explains why symptoms like poor airflow or allergies don't always point to dirty ductwork.

Includes a symptom-vs-likely-cause table and practical steps to reduce duct contamination between cleanings.

A clear, no-hype resource for homeowners trying to figure out if duct cleaning is actually necessary.