Winter HVAC & Indoor Air Quality: Stop Mold Before It Starts
Why winter raises mold risk Winter means closed windows, drier outdoor air, and long HVAC run times. Warm, humid indoor air meets cold surfaces (windows, exterior walls, poorly insulated ducts) and condenses, creating damp pockets inside walls, above ceiling tiles, and around supply diffusers. If wet materials aren’t dried within roughly 24–48 hours, mold can […]
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