The answer to 'how much to replace humidifier in my area' is that the cost to replace a residential humidifier can vary widely depending on several factors. Generally, you can expect to pay anywhere from $200 to $800 or more to have a new humidifier installed by a professional HVAC technician.
The exact cost will depend on the size and type of humidifier needed for your home, the complexity of the installation, and labor rates in your local area. Larger whole-house humidifiers tend to be more expensive than smaller, portable units. The cost may also include any necessary ductwork modifications or electrical work required. It's best to get quotes from 2-3 local HVAC companies to compare prices and find the best value.