Musty HVAC Smell? Mold vs. Wet Insulation — How to Tell in 5 Minutes and Fix It Fast
That stale, musty odour drifting out of your vents every time the AC kicks on isn’t just unpleasant — it’s a signal that something inside your duct system needs attention. The two most common culprits are mold growth and wet duct insulation, and while they smell similar, they have different causes, different health implications, and […]
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