The answer to 'how much does humidifier cost' is that the cost of a humidifier can vary widely depending on several factors. In general, whole-home humidifiers tend to be more expensive than portable or room-based models, with costs ranging from a few hundred dollars to over a thousand dollars installed. The type of humidifier, its features, and the complexity of the installation all impact the final price.
Factors that influence humidifier costs include the size of the home, the type of humidifier (evaporative, steam, or ultrasonic), the quality and energy efficiency of the unit, and whether professional installation is required. Portable humidifiers are generally the most affordable option, starting around $50, while whole-home models can cost $500 or more with installation. It's important to get local quotes from HVAC professionals to understand the specific costs for your home and needs.