Actually it’s fairly simple!
When air duct cleaning services finish their work, they really show you inside the duct system they cleaned, because they don’t want to give you an opportunity to complain.
Air duct cleaning services don’t tell you the simple secrets that can assure you a quality job, especially the low price duct cleaning companies.
So here’s the simple test.
- If it is your house, the simple take a small mirror ( 6 inches x 6 inches, as long as it is close ) your fine.
- Take the mirror and a flash light and go to your closest vent.
- Shine the light inside the vent and angle the mirror next to the vent opening.
- Angle the mirror so that you can see up through the vent system.
Most of the supply vents may look good, because air duct cleaning services usually have the easiest time cleaning in supply vents.
It’s the return vents near the heating system that has the most dirt.
If the job looks bad, call air duct cleaning service back to redo it.