Signs that your mechanical ventilation system may need repair include: Reduced airflow: The air coming from vents is weaker or less consistent. Unpleasant odors: Musty, stale, or burning smells could indicate mold or mechanical failure. Increased energy bills: If the system is working inefficiently, you might see higher electricity consumption. Strange noises: Whistling, banging, or grinding noises can be signs of a malfunctioning fan, motor, or duct. Excessive humidity: If the ventilation isn’t removing enough moisture, it could lead to condensation or mold growth. Noisy or malfunctioning fan: If the fan isn’t turning on or sounds unusually loud, it may need attention
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Cooling Systems