How To Install A Furnace HumidifierHow To Install A Furnace Humidifier April 8, 2021April 8, 2021| fkdtsoreangfkdtsoreang| 0 Comment | 9:58 am The warm air from the furnace passes through the humidifier before spreading through the rest of your house through the vents. Water should now be flowing into the humidifier. Do View MoreView More