average cost of a humidifier
1 Depending on the brand and the type of humidifier, the costs of a humidifier are going to range anywhere from as little as $15 to as much as $150.2  Generally, table top humidifiers are going to be less than $50 while larger humidifiers that work up to 2,000 square feet can cost up to $150. Depending on the brand and the type of humidifier, the costs of a humidifier are going to range anywhere from as little as $15 to as much as $150.