Day: November 22, 2025

Whole-house humidifier installed on HVAC ductwork, used to explain how humidifiers cause mold when moisture isn’t controlled properly
HVAC

Do Humidifiers Cause Mold? What to Know

When homeowners ask “do humidifiers cause mold?”, they’ve noticed moisture on windows, a musty odor, or a patch of discoloration they swear wasn’t there last week. I’ve seen this situation many times during service calls. Humidifiers make dry air more comfortable, but when the moisture isn’t controlled, problems start. At Pointer Cooling and Heating, we explain this a lot because the answer isn’t a simple yes or no. It depends

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