There is one caveat since we live in an area with cold winters. The exact middle setting. Aroma Essential Oil Diffuser 550ml Ultrasonic Cool Mist Air Humidifier With 4 Timer Setting Humidifier Cool Mist Air Aromatherapy Purifier For Bedroom Home Aroma Essential Oil Aroma Diffuser Humidifier Essential Oils Humidification Tips for Dry Winter Air Air dry your clothes to introduce humidity and save on energy costs. Humidifier setting for winter . However it should also depend on the season the temperature outdoors as well as indoors. Set the humidifier right in the middle between its highest and lowest settings. The 1 to 10 settings allow us to set our homes insulation level. The humidity target is preset for 35. Care that heavy condensation can lead to mold buildup and various other structural problems in your attic. 45 is a great target for most people. The indoor levels of humidity of furnace-heated air can decline to 10 or less. A comfortable relative humidity for...