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Don’t Forget to Open Humidifier Dampers for the Winter Season

open humidifier dampers

Homeowners that have an installed whole-home humidifier know the benefits they provide. During the dry winter season, a humidifier adds much-needed moisture back into the home, providing relief from sore throats, dry and itchy skin, nosebleeds and sinus irritation. During the summer, we don’t need the added humidity in our homes, so the damper is closed to keep any additional moisture out. Now that we’re entering the heating season, it’s extremely important to remember to open humidifier dampers for the upcoming winter.

How to Open Humidifier Dampers

  • Ensure that the water supply is on — follow the copper line from the humidifier to the small valve.
  • Open the damper for the winter season. If your damper is not labelled, it should be found parallel to the duct, where it allows the humidity to enter the duct system.
  • Set the humidity level on your humidistat or thermostat and allow 24-48 hours for the humidity level to change inside your home.
  • Remember to replace the water panel annually.  

If you have a whole-home humidifier, please don’t forget to open the dampers for the winter season — if you don’t it will severely affect your home comfort.

If you have any questions about your humidifier or any other part of your home comfort system, please don’t hesitate to contact us — we’re always happy to help!

A1 Air Conditioning & Heating started as a family business in 1967, and 50 years later we’re still family-owned and operated.

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