20 Most Recent Holmes Products Cool Mist HM3500 Humidifier Questions & Answers


Bought from Walmart in Lethbridge,

You may purchase new filters directly from Holmes Products website

2/26/2011 7:49:18 PM • Holmes Products... • Answered on Feb 26, 2011

What is the gallons per 24hour output capacity of

There are several variables that will determine the gallons used per 24 hour period.
  • At what humidity level do you have it set for? The higher the level, the faster consumption.
  • How much air movement is there in the are in the house/area of the humidifier?
  • How air tight is your home?.
  • How may people occupy the home?
  • Whats the temperature setting for your primary heat source?
Let's assume that everything is perfect. Your humidifier holds approximately 6 gallons of water, when completely full. The ideal humidity level depending on the outside air temperature is 40 to 50%. Once the humidity level you have it set for is reached, the humidifier shuts off. When the humidity level drops significantly, it turns back on. So, as you can see, it's difficult to come up with an exact figure. But based on if everything was perfect, about 1.5 to 2 quarts per hour or almost 6 gallons in 24 hours.

For more details on this humidifier call 1-800-546-5637.

Hope this helps you.

2/9/2011 6:18:21 PM • Holmes Products... • Answered on Feb 09, 2011

I need to purchase a replacement tank for the

12/1/2010 2:52:30 PM • Holmes Products... • Answered on Dec 01, 2010

My Holmes HM3500 Humidifier is plugged in and full

Hi there,

The tank may be full. Your dehumidifier has a safety device that turns off the dehumidifier when the water tank is full. Usually the tank itself either presses against a switch or there's a device connected to the tank that triggers a switch when the tank is in place and full.
If you've emptied the tank and the unit doesn't run, inspect the place where the tank rests to see if there's a switch or mechanism that's not being activated. You may be able to turn it on with a simple flick of your finger.

Post comments  for more help or information .........

Good Luck!!

12/1/2010 2:45:43 PM • Holmes Products... • Answered on Dec 01, 2010

One of the cells that

I think you would be etter served to just repair that crack - it can be done in minutes with a product called Plastiweld, available at your local auto parts store. Make sure you allow it time to cure as stated in the directions. I have used it on several different jobs and never had a failure.
Good luck!!
11/15/2010 6:12:29 PM • Holmes Products... • Answered on Nov 15, 2010

How do i clean the fan blades

I am assuming a lime buildup from evaporated water. Use vinegar or drip coffee maker cleaner.
6/29/2009 2:10:27 AM • Holmes Products... • Answered on Jun 29, 2009

I can't remove the grill above the fan so I can clean the blades

I have a Holmes cool-mist One-Touch Humidifier, and you can't reach the blades to clean them, and you can't take the console apart. I finally decided to use two spray bottles and clean and them rinse the Humidifer while holding the console upside down and over a sink. The one bottle you could fill with any mild cleaner plus a lot of water to dilute the cleaner. Maybe dishwashing liquid (not the dishwasher stuff), or a little bit of ammonia, or rubbing alcohol, or vinegar. Spray that on the blades while the machine is upside down, and a lot of sooty dirt drips out. Then rinse with another spray bottle full of plain water. Leave the console upside down on a towel to drip-dry. This is also how you can clean silk flowers that collect dust.
6/27/2009 3:32:31 PM • Holmes Products... • Answered on Jun 27, 2009

Humidifier doesn't stop

I had the same problem if you dissasemble the unit you will probably find a capacitor between two blue wires has blown out
6/4/2009 12:44:37 AM • Holmes Products... • Answered on Jun 04, 2009

My whole house unit mdl

Hey Tony, Thanks for the Question,
Does it specifically state that that replacement is 5 years or just parts? you have to read the fine print sorry to say, but if it is the whole unit then yes, they will replace the whole thing,
If its parts only then maybe they would send you out a new tank which more than likely would solve your problem too! hope that was helpful, let us know and please leave some feed back on how we did, thanks again,

1/22/2009 5:54:10 PM • Holmes Products... • Answered on Jan 22, 2009

Need to find a new water tank

Mine also cracked along the seam several years ago. I sealed the crack using two-part waterproof plastic epoxy (found at any hardware store.) Not really pretty to look at, but it hasn't leaked since!
12/24/2008 7:39:12 PM • Holmes Products... • Answered on Dec 24, 2008

1Touch HM1295 humidifier part # 7911000006583

This should be the part description:
AMRE Supply - Canada's Parts Pros [ 7911000006583
12/16/2008 12:41:06 PM • Holmes Products... • Answered on Dec 16, 2008

Iron/rust in water

You can use distilled water to fill your humidifier that would save your filters.
Or you can try soaking your filter in a 50-50 water and white vinegar solution to try and clean them to use again.

Good Luck.
4/18/2008 5:30:43 AM • Holmes Products... • Answered on Apr 18, 2008


It's not a problem for the tanks to empty at an uneven rate...as long as the second one continues to supply water after the first one is empty. Yes, a slight tilt off of level could cause this. One way to test for this is to turn the entire unit around. If the floor is uneven, this might cause the other tank to empty first. You could also try placing a thin spacer (cardboard?) under a couple of the feet to change the level. Whichever tank is lowest should tend to empty last.
1/26/2008 5:36:56 AM • Holmes Products... • Answered on Jan 26, 2008
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