Homedics Humidifiers – Cleaning, Manuals, Red Light, Etc

Last Updated on: 23rd January 2024, 08:35 pm

Table of Contents

How To Set Up Your Homedics Humidifier

  1. Location, Location, Location: Find a flat, stable spot away from direct sunlight and electronics. Remember, no one likes a wet laptop.
  2. Fill ‘er Up: Lift the water tank, twist off the cap, and fill it with cool tap or distilled water. Avoid using hot water; this isn’t a tea kettle!
  3. Set It: Place the water tank back on the base, ensuring it fits snugly. Turn the dial or press the power button to your desired setting.
  4. Breathe Easy: Give it a minute, and you’ll start to feel the difference. Ahh, that’s the good stuff.

Best practices for optimal performance:

  1. Water Quality: If your tap water is hard or has a lot of minerals, consider using distilled or filtered water. It’ll keep your humidifier cleaner and running smoother.
  2. Keep It Clean: Don’t let water sit in the tank for days. Refresh it every day to keep things fresh and mold-free.
  3. Positioning: Aim to place your humidifier at least a few feet off the ground. A shelf or table is perfect. This ensures better mist distribution.
  4. Not Too Humid: While it’s tempting to crank it up, especially during dry months, aim for a humidity level between 40% and 60%. Overhumidifying can lead to mold growth and other issues.

How To Use A HoMedics Humidifier

Operation And Best Settings

Before we get into the best settings, I will review the controls for you. Take a look at the image below. From top left to bottom right:

  1. Power button.
  2. Mist setting allows you to select one of three options for the amount of mist discharged.
  3. Night light – light on the bottom can be turned on if needed.
  4. Humidity setting – pressing this allows you to adjust the humidity percentage.
  5. Timer – allows you to set a timer.
  6. Red indicator light reset button.

Maintenance And Cleaning

Regular cleaning and maintenance ensure that you’re breathing the cleanest air and that your humidifier lives a long, happy life. So roll up your sleeves, and let’s dive into the nitty-gritty of keeping your device fresh and efficient!

Signs That Your Humidifier Needs Maintenance

  • Decreased mist output: If you notice a reduced amount of mist emitted from your humidifier, it could be due to mineral buildup or dirt obstructing the device’s proper function.
  • Unusual odor: A musty or moldy smell coming from the humidifier is often an indication of mold, mildew, or bacterial growth, signaling the need for cleaning.
  • Visible mold or algae: If you spot mold, algae, or any other growth inside the water tank, reservoir, or on the filter, it’s time for a thorough cleaning.
  • White dust accumulation: A buildup of white dust around the humidifier or in the room may indicate that minerals from the water are being dispersed into the air, suggesting the need for filter replacement or cleaning.
  • Cleaning indicator light: Many humidifiers have a cleaning indicator light that turns on after a specific number of operating hours, notifying you when it’s time for a cleaning.
  • Unusual sounds: If you hear strange noises from your humidifier, such as gurgling, buzzing, or clicking, it could indicate that the device needs cleaning or maintenance.

How To Clean HoMedics Humidifier (An Easy Guide!)

To perform the steps below for cleaning, you only need a few things:

While there’s a general cleaning routine that works for most humidifiers, it’s always a good idea to read your specific model’s manual. It will have all the insider details to keep your humidifier loved and well cared for!

How Often Should You Order, Purchase, And Replace The Demineralization Cartridge?

deminerialization cartridge

According to HoMedics, you should replace these every 30-40 fillings. That should be enough to keep everything good and clean.

You can get a reasonably cheap 4-pack of replacement cartridges on Amazon here. And if you want to save money in the long run, you can also get a 12-pack or 20-pack.

Does A Homedics Humidifier Need Filters?

Because ultrasonic humidifiers don’t use heat or a wick, they don’t create the same kind of mineral buildup or impurities that can clog up other types of humidifiers. That means that, in general, ultrasonic humidifiers don’t necessarily need filters to be replaced. However, some models come with filters as an optional accessory or as part of a built-in filtration system from dust and dirt.

Now, that’s not to say that ultrasonic humidifiers are perfect. Depending on the quality of your water, you may still experience some mineral buildup or impurities over time. But overall, ultrasonic humidifiers are a great option if you’re looking for a low-maintenance, easy-to-use humidifier that doesn’t require a lot of extra fuss or bother.

Homedics Humidifier Red Light (Most Common But Easy Issue)

The red light on a Homedics humidifier usually indicates a specific issue that requires attention. Common reasons for the red light to illuminate on a Homedics humidifier include:

  1. Low Water Level: The most common reason is that the water tank is low and needs to be refilled. When the water level drops below a certain point, the red light will turn on as a warning.
  2. Cleaning Required: Some models have a red light indicator to remind you when it’s time to clean the humidifier. Regular cleaning is crucial for preventing mold and bacteria growth.
  3. Filter Replacement or Cleaning: If your humidifier uses a filter, the red light might indicate that the filter needs to be cleaned or replaced.
  4. Technical Issues: In some cases, the red light could indicate a malfunction or technical issue with the humidifier.

To resolve:

  1. Press and hold the button for 3 seconds to turn off the red light indicator.
  2. If the red light persists, inspect your humidifier for potential issues, such as a low water level or the need for cleaning.
  3. Turning off the red light is merely the initial step; ongoing monitoring of the humidifier is essential to ensure its smooth operation.
  4. To temporarily alleviate the annoyance of the red light, you can press and hold the button for 3 seconds, but this does not fix any underlying problems.

Humidifier Maintenance Tips To Prevent These Problems

Regular maintenance is vital to keeping your HoMedics humidifier functioning correctly and avoiding issues down the road. Here are some tips to help you maintain your machine:

  1. Clean the machine regularly: It’s important to clean your humidifier regularly to prevent mold and bacteria growth. Water and white vinegar can clean the machine and its components. Follow the manufacturer’s instructions for cleaning and disinfecting your specific model.
  2. Change the water: To prevent mold and bacteria growth, changing the water in your humidifier when it tells you to is essential.
  3. Store the machine properly: When you’re not using your humidifier, it’s important to store it properly to prevent mold and bacteria growth. Be sure to empty the machine of all water and let it air dry completely before storing it. Store the machine in a cool, dry location.
  4. Check for leaks: Regularly check your humidifier for leaks or other issues. If you notice any leaks or other problems, address them as soon as possible to prevent further damage to the machine.

Following these maintenance tips can help prevent issues with your HoMedics humidifier and enjoy clean, healthy air in your home. Remember to refer to the manufacturer’s instructions and guidelines for your specific model for the best results.

Check out our troubleshooting guide of the HoMedics humidifier here.

How Do I Reset My HoMedics Humidifier?

Resetting the humidifier is simple. Press and hold down the red light indicator (or cleaning light) button for at least 3 seconds. You can also unplug it for a few seconds and plug it back in.

These reset HoMedics humidifier instructions should be all you need.

Replacement Parts

Here’s a table of replacement parts for HoMedics humidifiers:

Replacement PartDescription
Replacement TanksEssential for holding water that gets turned into mist; replace if dirty or cracked​.
TransducerVibrates to create mist; replace if worn out or damaged.
DiffuserSpreads mist around; replace if clogged or broken.
Replacement WicksSoak up water to create mist; replace if gunked up.
Replacement CapEnsures humidifier is sealed up tight; replace if broken or missing.
Tablets (Demineralization Cartridge)Added to the tank with the water to prevent mineral buildup​.

You may need to check your humidifier’s user manual or contact the manufacturer to ensure you get the correct replacement parts for your specific model.

User Manual Downloads

HumidifierManual Link
TotalComfort Deluxe Warm & Cool Mist Ultrasonic HumidifierDownload Manual
TotalComfort Ultrasonic with UV-C TechnologyDownload Manual
TotalComfort Deluxe Ultrasonic HumidifierDownload Manual
TotalComfort Deluxe Large Room Ultrasonic HumidifierDownload Manual
TotalComfort Plus Ultrasonic HumidifierDownload Manual
Homedics Ultrasonic HumidifierComing Soon
TotalComfort UV-C Ultrasonic HumidifierDownload Manual
Homedics Medium Ultrasonic (CMTF14) HumidifierComing Soon
TotalComfort Cool Mist Ultrasonic HumidifierDownload Manual
TotalComfort Ultrasonic Medium Room HumidifierDownload Manual


What does co mean on a Homedics humidifier?

The “CO” on a HoMedics humidifier likely refers to “Continuous Operation.” Setting the device to “CO” on many humidifiers allows it to run until the water tank is empty without a set time limit. It is always best to consult the specific model’s user manual for the exact meaning of display messages and operational settings, as they vary between models.

If you have the manual, it should define “CO” and provide instructions on how to use that setting. If you don’t have the manual, you might be able to find it online by searching for your humidifier’s model number.

If you are considering buying one, look at our HoMedics humidifier buyer’s guide here.