The answer to 'how much to replace humidifier local' is that the cost to replace a home humidifier can vary widely depending on several factors. Generally, the total cost to replace a whole-home humidifier can range from $300 to $800 or more, including the equipment and professional installation.
The specific cost will depend on the size and type of humidifier needed for your home, the complexity of the installation, and whether any ductwork or other modifications are required. The brand, features, and efficiency rating of the new humidifier can also impact the price. It's best to get quotes from local HVAC contractors to get an accurate estimate for your home.