Every year about this time, we start to see the effects of the bitter cold air on our homes and our health. It reminds me of the importance of humidity in our homes. I have provided a link to an excellent blog by Aprilaire on the costs of NOT having a humidifier in your home. This makes some great points on many fronts including health, comfort, energy savings and home conservation. Check it out.
https://www.aprilaire.com/blog/2016/11/the-cost-of-not-having-a-humidifier-in-your-home/