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<div class="bvseo-question-answer" data-questionid="7882757">
<h2 class="bvseo-question">
Hello, my Ultrasonic Cylinder Humidifier HM411-BTU-FCA has started to smell musty. How do I clean it?
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<div class="bvseo-author">Asked by: Anonymous</div>
<div class="bvseo-answer" data-answerid="7432656">
Hi! Thank you for reaching out to Holmes&reg;️. We understand that you would like to clean your humidifier. We are more than happy to help. Please refer to the instructions below for daily and weekly maintenance of your humidifier: DAILY MAINTENANCE 1. Be sure the unit is OFF and is disconnected from the electrical outlet 2. Remove the tank from the humidifier and place in sink or tub. 3. Drain any remaining water and rinse thoroughly to remove any sediment or dirt. Wipe clean and dry with a clean cloth or paper towel. 4. Refill with cool tap water. Do not overfill. WEEKLY MAINTENANCE To Remove Scale: 1. Repeat steps 1-3 above. 2. Clean all surfaces with a soft brush. Gently scrub the area around the transducer with a soft brush. Remove the scale by wiping the entire base with a cloth dampened with undiluted white vinegar. 3. Rinse clean with warm water to remove cleaning solution before disinfecting the tank. To Disinfect Tank 1. Fill humidifier tank 1/2 full with water and 1/2 tablespoon of chlorine bleach. 2. Let the solution stand for 20 minutes, swishing every few minutes. Wet all surfaces. 3. Carefully empty the tank after 20 minutes, and rinse with warm water until you can not detect any bleach smell. Dry with a clean cloth or paper towel. 4. Refill the water tank as directed in Operating Instructions, and turn the unit on. If you need further assistance, please reach out to us by visiting the Contact Us page of this website. For your convenience, our Consumer Care Team is available Monday through Friday, 9:00 am till 9:00 pm EST. Our product specialists will be more than happy to help you. Thank you and please stay safe and healthy!
<div class="bvseo-author">Answered by: Holmes Consumer Care</div>
<div class="bvseo-pubdate">Date published: 2022-04-26</div>
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<div class="bvseo-question-answer" data-questionid="7399553">
<h2 class="bvseo-question">
Can you oil fragance or vaporub-Vicky?
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<div class="bvseo-author">Asked by: Klsl78</div>
<div class="bvseo-answer" data-answerid="6668809">
Hi there, Klsl78! We hope you are healthy and staying safe. We do not recommend using essential oils or any aromatherapy in this model. We apologize for the inconvenience.
<div class="bvseo-author">Answered by: Holmes Consumer Care</div>
<div class="bvseo-pubdate">Date published: 2021-11-12</div>
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<div class="bvseo-question-answer" data-questionid="7319150">
<h2 class="bvseo-question">
The low setting can last for 15hrs, but what is the duration of the high setting?&nbsp;
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<div class="bvseo-author">Asked by: LANDY11</div>
<div class="bvseo-answer" data-answerid="6668317">
Hi Landy11! We hope you are healthy and staying safe. On high setting, the unit will run maximum of 10 hours. Thank you for asking!
<div class="bvseo-author">Answered by: Holmes Consumer Care</div>
<div class="bvseo-pubdate">Date published: 2021-06-10</div>
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<div class="bvseo-question-answer" data-questionid="7304110">
<h2 class="bvseo-question">
Hi bought this and set it up today filled it with water and went about the rest of my day came to take a nap and turn it on and it had leaked all the water out. Just wondering how to fix that
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<div class="bvseo-author">Asked by: King</div>
<div class="bvseo-answer" data-answerid="6589957">
Hi King! We hope you are healthy and staying safe. Thank you for bringing this in to our attention and we apologize for the inconvenience. Please check the following for possible reason why your humidifier is leaking: - Tank/cap gasket is missing. - Unit tilted or not leveled. - Cap not tight enough. - Tank water is Hot Below are the possible solution: - Remove tank cap and replace or reposition gasket. - Place unit on a flat or leveled surface. - Tighten the cap. - Fill with cool water only. If you need further assistance, please send us a message by clicking this link: https://www.holmesproducts.com/support/contact-us
<div class="bvseo-author">Answered by: Holmes Consumer Care</div>
<div class="bvseo-pubdate">Date published: 2021-02-17</div>
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<div class="bvseo-question-answer" data-questionid="7268406">
<h2 class="bvseo-question">
I followed the instructions but don&rsquo;t see any mist.&nbsp;
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<div class="bvseo-author">Asked by: Anonymous</div>
<div class="bvseo-answer" data-answerid="6566813">
Thank you for bringing this into our attention, and please accept our apology for the inconvenience this has caused you. We have high expectations for our products here at Holmes, and we would like to hear more about your experience with your humidifier. Please send us a message by clicking this link: https://www.holmesproducts.com/support/contact-us
<div class="bvseo-author">Answered by: Holmes Consumer Care</div>
<div class="bvseo-pubdate">Date published: 2022-05-11</div>
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<div class="bvseo-question-answer" data-questionid="7217199">
<h2 class="bvseo-question">
I'm trying to decide which to buy. I need footprint sizes. Can you give me the dimension of the footprint?
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<div class="bvseo-author">Asked by: Linda4442</div>
<div class="bvseo-answer" data-answerid="6509691">
Hi Linda4442! We hope you are healthy and staying safe. This ultrasonic humidifier is ideal for 300-500 sq. ft. Thank you for asking.
<div class="bvseo-author">Answered by: Holmes Consumer Care</div>
<div class="bvseo-pubdate">Date published: 2021-01-18</div>
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<div class="bvseo-question-answer" data-questionid="7204564">
<h2 class="bvseo-question">
do I fill the white container inside with water? I dont have directions.
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<div class="bvseo-author">Asked by: barbilla</div>
<div class="bvseo-answer" data-answerid="6498387">
Hi there! Thanks for reaching out to us. We will be more than happy to answer your question. The container inside needs to be filled with water. For help in obtaining a copy of the manual. Please reach out to us at our toll-free number 1-800-546-5637. For your convenience, our Consumer Care Team is available Mon-Fri 9 am-5 pm, EST. You can also email us at Holmesconsumercare@newellco.com. Thank you so much and have a nice day!
<div class="bvseo-author">Answered by: Holmes Consumer Care</div>
<div class="bvseo-pubdate">Date published: 2021-01-13</div>
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<div class="bvseo-question-answer" data-questionid="7200389">
<h2 class="bvseo-question">
How do you prevent the pee like smell coming from the humidifier.
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<div class="bvseo-author">Asked by: Zee C</div>
<div class="bvseo-answer" data-answerid="6498162">
Hi there! Thanks for reaching out to us. We will be more than happy to answer your question. Please clean the water tank with vinegar to get rid of the smell. Thank you so much and have a nice day.
<div class="bvseo-author">Answered by: Holmes Consumer Care</div>
<div class="bvseo-pubdate">Date published: 2021-01-13</div>
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