Wine Cellar Humidifiers – Designed to increase humidity levels in any size commercial or residential wine cellar. Available for TTW as a freestanding unit and ducted and split systems as either integrated or freestanding unit. Can also be used with competitors cooling units. A Wine Guardian wine cellar humidifier is designed to increase humidity levels in any size commercial or residential wine cellar. As with all our products, these wine cellar humidifiers are uniquely designed to deliver superior performance and reliability to ensure your fine wine collection ages at its finest. Wine Guardian’s stylish wine cellar humidifiers are available for ducted and ducted split systems as either integrated or freestanding units. The integrated version can only be mounted to a Wine Guardian system. The freestanding version can be used with Wine Guardian Through-the-Wall systems, Wine Guardian ductless split systems, or any competitors’ wine cellar air conditioning unit.