It'll cost about $200 to replace the central humidifier.

It would likely cost between $100-$300 to replace a central humidifier. Depending on the brand and model, the price could be higher or lower. The cost also depends on whether or not the part needs to be ordered, as some humidifiers have replaceable parts. If the humidifier is under warranty, then it may be free to replace depending on the terms of the warranty. However, it's important to note that most warranties only cover defects in manufacturing and do not cover damage caused by accidental misuse or neglect. So if the humidifier has stopped working because it was running out of water or was left on for an extended period of time, then it's likely that the warranty would not cover the cost of replacing the