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The Holmes Ultrasonic humidifier comes packed with 122 useful specs & features — from general information, humidification performance, water tank & refilling system & filtration & purification system to more. Here’s what smart shoppers are looking at on Techspotr.
A fast snapshot of the Holmes Ultrasonic, covering its standout specification and what you can expect right out of the box.
Holmes Ultrasonic
Experience seamless air treatment with the Holmes Ultrasonic. This high-capacity humidifier features an easy-fill design and adjustable mist settings for customized humidity. Engineered for efficiency and long-lasting runtime, it maintains a balanced environment in any room, protecting your home's wood furniture and enhancing your overall indoor air quality.
Specifications & Facts
122
Specs measured. Drama avoided.
Before buying a humidifier, check out the Holmes Ultrasonic. We cover price, detailed specs, honest pros and cons, and comparisons with top humidifiers — plus what people really think.
General Information
10
Holmes Ultrasonic
Product Type
What is the product type?
0
Holmes Ultrasonic
0
Votes
Ultrasonic
Humidifier in this range
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Holmes Ultrasonic
This humidifier operates using ultrasonic technology, which silently produces a fine mist without a heating element. This product type is known for its quiet operation and energy efficiency.
Defines the main humidifier design.
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Holmes Ultrasonic
Tank Capacity
What is the tank capacity?
0.5
gal
0Votes
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Holmes Ultrasonic
The humidifier has a tank capacity of 0.5 gal (1.89 liters), which is suitable for small rooms and offers a compact design.
Determines how much water the tank can hold.
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Holmes Ultrasonic
Country of Origin
What is the country of origin?
0
Holmes Ultrasonic
0
Votes
China
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Holmes Ultrasonic
This humidifier is manufactured in China. The country of origin indicates where the product's primary assembly and production took place.
The manufacturing origin of the product.
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Holmes Ultrasonic
Intended Room Size
What is the intended room size?
150
sqft
0Votes
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Holmes Ultrasonic
This humidifier is designed for an intended room size of up to 150 sq.ft (13.94 m²), making it suitable for small to medium-sized rooms.
Indicates the recommended room size for ideal performance.
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Holmes Ultrasonic
Coverage Area
What is the coverage area?
150
sqft
0Votes
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Holmes Ultrasonic
The humidifier provides effective coverage for an area of up to 150 sq.ft (13.94 m²), ideal for small offices or bedrooms.
Specifies the maximum room area the humidifier can handle.
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Holmes Ultrasonic
Release Year
What is the release year?
0
Holmes Ultrasonic
0
Votes
2025
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Holmes Ultrasonic
This model of humidifier is slated for release in 2025, indicating it features contemporary design and technology.
Indicates the product’s initial market release year.
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Holmes Ultrasonic
Color
What is the color?
0
Holmes Ultrasonic
0
Votes
White and Gray
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Describes the exterior color of the product.
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Ideal usage scenarios for the humidifier.
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Holmes Ultrasonic
Runtime
What is the runtime?
24
hours
0Votes
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Indicates how long the humidifier can operate on a full tank.
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Holmes Ultrasonic
Humidity Control Type
What type of humidity control does it have?
0
Holmes Ultrasonic
0
Votes
Manual
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Shows how humidity levels are adjusted.
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Humidification Performance
5
Holmes Ultrasonic
Moisture Distribution Pattern
What is the moisture distribution pattern?
0
Holmes Ultrasonic
0
Votes
Upward Flow
Humidifier in this range
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Holmes Ultrasonic
The humidifier disperses moisture using an Upward Flow pattern, allowing the mist to rise and diffuse naturally into the room's air.
Indicates how moisture spreads in the room.
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Holmes Ultrasonic
Seasonal Performance Rating
What is the seasonal performance rating?
0
Holmes Ultrasonic
0
Votes
All-Season
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Holmes Ultrasonic
This humidifier is rated for All-Season performance, indicating its suitability for use throughout the year, adapting to various environmental conditions.
Describes effectiveness across different seasons.
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Holmes Ultrasonic
Output Type
What is the output type?
0
Holmes Ultrasonic
0
Votes
Cool Mist
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Specifies whether the humidifier emits warm or cool mist.
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Holmes Ultrasonic
Output Modes
What output modes are available?
0
Holmes Ultrasonic
0
Votes
Low, Medium, High
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Defines selectable mist levels.
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Holmes Ultrasonic
Performance at Low Water Level
How does it perform at low water levels?
0
Holmes Ultrasonic
0
Votes
Auto Shut-off
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Shows how the device performs when water is low.
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Water Tank & Refilling System
11
Holmes Ultrasonic
Sediment Filter
Does it have a sediment filter?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Holmes Ultrasonic
This humidifier does not include a dedicated sediment filter. Users might consider using distilled or filtered water to minimize mineral deposits.
Indicates presence of a filter to capture particles before misting.
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Holmes Ultrasonic
Tank Design
What is the tank design?
0
Holmes Ultrasonic
0
Votes
Removable Tank
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Describes how the tank is built and accessed.
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Holmes Ultrasonic
Tank Material
What is the tank material?
0
Holmes Ultrasonic
0
Votes
Plastic
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Indicates what material the tank is made of.
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Holmes Ultrasonic
Refilling Method
What is the refilling method?
0
Holmes Ultrasonic
0
Votes
Bottom Fill
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Specifies how the user refills the tank.
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Holmes Ultrasonic
Tank Handle
Does the tank have a handle?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Whether the tank includes a carrying handle.
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Holmes Ultrasonic
Tank Removability
Is the tank removable?
Yes
0Votes
Holmes Ultrasonic
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Indicates if the tank can be detached for cleaning and refilling.
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Holmes Ultrasonic
Water Level Indicator
Does it have a water level indicator?
Yes
0Votes
Holmes Ultrasonic
Humidifier in this range
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Shows whether the tank includes a visible water indicator.
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Holmes Ultrasonic
Tank Lid Seal Type
What is the tank lid seal type?
0
Holmes Ultrasonic
0
Votes
Twist Lock
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Describes the mechanism that seals the tank.
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Holmes Ultrasonic
Anti-Leak Protection
Does it have anti-leak protection?
Yes
0Votes
Holmes Ultrasonic
Humidifier in this range
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Prevents water leakage during operation or carrying.
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Holmes Ultrasonic
Drainage Method
What is the drainage method?
0
Holmes Ultrasonic
0
Votes
Tilt-to-Empty
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Indicates how the tank is emptied.
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Holmes Ultrasonic
Anti-Scale Coating
Does it have anti-scale coating?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Reduces mineral deposits on tank surfaces.
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Filtration & Purification System
9
Holmes Ultrasonic
Antibacterial Treatment
Does it have antibacterial treatment?
Yes
0Votes
Holmes Ultrasonic
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Indicates if components are treated to resist bacteria.
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Holmes Ultrasonic
Filter Type
What is the filter type?
0
Holmes Ultrasonic
0
Votes
Not Applied
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Identifies the filter design used to treat water or air.
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Holmes Ultrasonic
Filter Material
What is the filter material?
0
Holmes Ultrasonic
0
Votes
Not Applied
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Describes what the filter is made of.
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Holmes Ultrasonic
Filter Replacement Indicator
Does it have a filter replacement indicator?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Shows when it's time to replace the filter.
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Holmes Ultrasonic
UV-C Purification
Does it have UV-C purification?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Uses UV-C light to sterilize water before misting.
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Holmes Ultrasonic
Water Softening Cartridge
Does it have a water softening cartridge?
No
0Votes
Holmes Ultrasonic
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Reduces mineral hardness to prevent scale buildup.
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Holmes Ultrasonic
Mineral Absorption Pad
Does it have a mineral absorption pad?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Helps reduce white dust by absorbing minerals.
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Holmes Ultrasonic
De-mineralization Function
Does it have a de-mineralization function?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Removes dissolved solids from water.
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Holmes Ultrasonic
Hard Water Compatibility
Is it compatible with hard water?
0
Holmes Ultrasonic
0
Votes
Compatible
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Shows if the system can handle hard water effectively.
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Operation Modes & Controls
9
Holmes Ultrasonic
Operating Modes
What operating modes does it offer?
0
Holmes Ultrasonic
0
Votes
Manual
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Defines available operation modes.
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Auto Mode
Does it have Auto Mode?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Automatically adjusts output to reach target humidity.
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Holmes Ultrasonic
Sleep Mode
Does it have Sleep Mode?
No
0Votes
Holmes Ultrasonic
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Enables quiet nighttime operation.
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Holmes Ultrasonic
Manual Mode Levels
How many manual mode levels are available?
0
Holmes Ultrasonic
0
Votes
Low,High
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Number of manual output intensity levels.
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Holmes Ultrasonic
Auto Shut-Off
Does it have auto shut-off?
Yes
0Votes
Holmes Ultrasonic
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Turns off automatically when water runs out.
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Holmes Ultrasonic
Humidity Sensor
Does it have a humidity sensor?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Indicates whether the unit can detect humidity levels.
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Holmes Ultrasonic
Display Type
What is the display type?
0
Holmes Ultrasonic
0
Votes
None
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Shows output, humidity, and settings.
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Holmes Ultrasonic
Display Brightness Control
Does it have display brightness control?
No
0Votes
Holmes Ultrasonic
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Allows dimming the screen during night use.
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Holmes Ultrasonic
Control Panel Type
What is the control panel type?
0
Holmes Ultrasonic
0
Votes
Knob
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Indicates the type of user interface.
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Smart Features & App Control
12
Holmes Ultrasonic
Smart Scheduling
Does it support smart scheduling?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Holmes Ultrasonic
This humidifier does not support smart scheduling functionalities. Users will need to manually operate or program the device using its built-in controls.
Enables customized automated schedules.
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Holmes Ultrasonic
Digital Child Lock
Does it have a digital child lock?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Holmes Ultrasonic
This humidifier does not include a digital child lock feature. Users should ensure the device is placed out of reach of children or in a safe location.
Prevents unwanted changes via the app.
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Holmes Ultrasonic
Firmware Update
Does it support firmware updates?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Holmes Ultrasonic
This device does not support firmware updates. Its operational features are fixed, and there are no provisions for future software enhancements.
Allows feature updates over time.
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Holmes Ultrasonic
App Compatibility
Is it compatible with a mobile app?
0
Holmes Ultrasonic
0
Votes
Not Supported
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Indicates whether the humidifier can connect to a mobile app.
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Holmes Ultrasonic
Voice Assistant Support
What voice assistants does it support?
0
Holmes Ultrasonic
0
Votes
Not Supported
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Shows which voice assistants can control the humidifier.
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Holmes Ultrasonic
Remote Monitoring
Does it offer remote monitoring?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Allows users to track humidity and settings remotely.
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Holmes Ultrasonic
Remote Control
Does it support remote control?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Allows the user to control the humidifier from anywhere.
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Holmes Ultrasonic
Humidity History Tracking
Does it have humidity history tracking?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Logs humidity trends over time.
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Holmes Ultrasonic
Filter Life Monitoring
Does it monitor filter life?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Provides real-time filter usage data.
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Holmes Ultrasonic
App Alerts
Does it offer app alerts?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Sends notifications about water, filters, or humidity.
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Holmes Ultrasonic
Multi-Device Sync
Does it support multi-device sync?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Allows several humidifiers to sync in one ecosystem.
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Holmes Ultrasonic
Connectivity Type
What is the connectivity type?
0
Holmes Ultrasonic
0
Votes
None
Humidifier in this range
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Defines how the humidifier connects to a smart device.
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Safety & Protection Features
13
Holmes Ultrasonic
Low-Water Protection
Does it have low-water protection?
Yes
0Votes
Holmes Ultrasonic
Humidifier in this range
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Holmes Ultrasonic
The device is equipped with low-water protection, automatically shutting off when the water level is too low. This feature prevents damage to the unit and ensures safe operation.
Protects the unit when water is insufficient.
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Holmes Ultrasonic
Safety Certifications
What safety certifications does it have?
0
Holmes Ultrasonic
0
Votes
UL, ETL
Humidifier in this range
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Holmes Ultrasonic
The humidifier holds UL and ETL safety certifications, assuring that it meets recognized product safety standards.
Shows compliance with industry safety standards.
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Holmes Ultrasonic
Electrical Protection Rating
What is the electrical protection rating?
0
Holmes Ultrasonic
0
Votes
Basic
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Holmes Ultrasonic
The product has a Basic electrical protection rating, meaning it includes fundamental safety measures against electrical hazards.
Indicates the strength of electrical insulation and safeguards.
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Holmes Ultrasonic
BPA-Free Components
Are the components BPA-free?
Yes
0Votes
Holmes Ultrasonic
Humidifier in this range
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Holmes Ultrasonic
The humidifier is made with BPA-free components. This ensures that no harmful Bisphenol A chemicals can leach into the water or mist, promoting healthier air quality.
Ensures plastics do not release harmful chemicals.
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Holmes Ultrasonic
Overheat Protection
Does it have overheat protection?
Yes
0Votes
Holmes Ultrasonic
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Prevents the unit from overheating during prolonged use.
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Holmes Ultrasonic
Tip-Over Protection
Does it have tip-over protection?
No
0Votes
Holmes Ultrasonic
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Shuts off automatically if the unit is knocked over.
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Holmes Ultrasonic
Boil-Dry Protection
Does it have boil-dry protection?
Yes
0Votes
Holmes Ultrasonic
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Prevents the heating element from running dry.
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Holmes Ultrasonic
Anti-Mold Interior
Does it have an anti-mold interior?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Interior coating helps prevent mold formation.
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Holmes Ultrasonic
Water Sterilization System
Does it have a water sterilization system?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Sterilizes water before misting to reduce contamination.
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Holmes Ultrasonic
Auto Power Reduction
Does it have auto power reduction?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Reduces power when ideal humidity is reached.
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Holmes Ultrasonic
Sealed Electronics
Are the electronics sealed?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Protects internal circuits from moisture exposure.
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Holmes Ultrasonic
Anti-Overflow Protection
Does it have anti-overflow protection?
Yes
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Prevents water overflow from the tank.
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Holmes Ultrasonic
Anti-Slip Base
Does it have an anti-slip base?
Yes
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Reduces sliding or movement during operation.
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Noise & Comfort
5
Holmes Ultrasonic
Noise Level
What is the noise level?
35
dB
0Votes
Humidifier in this range
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(Help us out by suggesting one!)
Holmes Ultrasonic
The humidifier operates at a noise level of 35 dB, which is comparable to a quiet library and is unlikely to cause disturbance.
Measures the sound produced during operation.
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Holmes Ultrasonic
Noise Level Range
What is the noise level range?
0
Holmes Ultrasonic
0
Votes
20-35 dB
Humidifier in this range
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Holmes Ultrasonic
The noise level of the humidifier ranges from 20-35 dB, which is considered quiet and suitable for bedrooms or office environments.
Shows the minimum and maximum noise levels.
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Holmes Ultrasonic
Aromatherapy
Does it support aromatherapy?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Indicates whether essential oils can be used.
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Holmes Ultrasonic
Noise Reduction Technology
What noise reduction technology does it use?
0
Holmes Ultrasonic
0
Votes
Dampening
Humidifier in this range
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Indicates special features that reduce sound output.
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Holmes Ultrasonic
Essential Oil Tray Type
What type of essential oil tray does it have?
0
Holmes Ultrasonic
0
Votes
Not Applied
Humidifier in this range
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Describes how essential oils are added.
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Power & Electrical
10
Holmes Ultrasonic
Voltage
What is the operating voltage?
120
Volt
0Votes
Humidifier in this range
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Holmes Ultrasonic
The humidifier operates at a standard household voltage of 120 Volt, making it compatible with most electrical outlets in North America.
Specifies operating voltage compatibility.
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Holmes Ultrasonic
Electrical Safety Features
What electrical safety features are included?
0
Holmes Ultrasonic
0
Votes
Thermal Fuse
Humidifier in this range
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Holmes Ultrasonic
The humidifier incorporates a Thermal Fuse as an electrical safety feature, which protects against overheating by cutting off power if internal temperatures become too high.
Indicates internal electrical protections.
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Holmes Ultrasonic
Energy Efficiency Rating
What is the energy efficiency rating?
0
Holmes Ultrasonic
0
Votes
Standard
Humidifier in this range
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Holmes Ultrasonic
The humidifier has a Standard energy efficiency rating. This means it meets typical energy consumption benchmarks for its product category.
Indicates how energy-saving the unit is.
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Holmes Ultrasonic
Power Consumption
What is the power consumption?
25.3
Watt
0Votes
Humidifier in this range
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Indicates total watt usage during operation.
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Holmes Ultrasonic
Plug Type
What is the plug type?
0
Holmes Ultrasonic
0
Votes
Type A
Humidifier in this range
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Specifies electrical plug format.
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Holmes Ultrasonic
Frequency
What is the frequency?
60
Hz
0Votes
Humidifier in this range
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Indicates electrical frequency requirements.
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Holmes Ultrasonic
Power Cord Type
What is the power cord type?
0
Holmes Ultrasonic
0
Votes
Fixed
Humidifier in this range
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Specifies the cord design.
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Holmes Ultrasonic
Power Cord Length
What is the power cord length?
5
ft
0Votes
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Length of the power cord for placement flexibility.
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Holmes Ultrasonic
Surge Protection
Does it have surge protection?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
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Protects the unit from voltage spikes.
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Holmes Ultrasonic
Power Supply Type
What is the power supply type?
0
Holmes Ultrasonic
0
Votes
AC
Humidifier in this range
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Defines the source and type of electrical power used.
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Physical & Dimensions
13
Holmes Ultrasonic
Surface Finish
What is the surface finish?
0
Holmes Ultrasonic
0
Votes
Matte
Humidifier in this range
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Holmes Ultrasonic
The humidifier features a Matte surface finish, which often provides a modern aesthetic and helps to resist fingerprints.
Describes the exterior finish.
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Holmes Ultrasonic
Aesthetic Style
What is the aesthetic style?
0
Holmes Ultrasonic
0
Votes
Classic
Humidifier in this range
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Holmes Ultrasonic
The humidifier features a Classic aesthetic style, designed to blend seamlessly with traditional home decor.
Defines the visual design theme.
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Holmes Ultrasonic
Width
What is the width?
7.09
inch
0Votes
Humidifier in this range
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The width of the humidifier.
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Holmes Ultrasonic
Depth
What is the depth?
7.09
inch
0Votes
Humidifier in this range
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The depth measurement of the unit.
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Holmes Ultrasonic
Height
What is the height?
11.22
inch
0Votes
Humidifier in this range
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The overall height of the humidifier.
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Holmes Ultrasonic
Weight
What is the weight?
2.5
lbs
0Votes
Humidifier in this range
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Total weight of the product.
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Holmes Ultrasonic
Device Shape
What is the device shape?
0
Holmes Ultrasonic
0
Votes
Cylinder
Humidifier in this range
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Defines the physical shape of the device.
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Holmes Ultrasonic
Body Material
What is the body material?
0
Holmes Ultrasonic
0
Votes
Plastic
Humidifier in this range
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Material used for the humidifier housing.
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Holmes Ultrasonic
Tank Window Design
What is the tank window design?
0
Holmes Ultrasonic
0
Votes
No Window
Humidifier in this range
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Describes the water visibility window.
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Holmes Ultrasonic
Base Type
What is the base type?
0
Holmes Ultrasonic
0
Votes
Anti-Slip Base
Humidifier in this range
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Indicates the style of the device’s base.
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Holmes Ultrasonic
Handle Type
What is the handle type?
0
Holmes Ultrasonic
0
Votes
No Handle
Humidifier in this range
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Defines how the device can be carried.
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Holmes Ultrasonic
Nozzle Count
What is the nozzle count?
0
Holmes Ultrasonic
0
Votes
1
Humidifier in this range
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Number of mist nozzles.
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Holmes Ultrasonic
Cable Storage
What type of cable storage does it have?
0
Holmes Ultrasonic
0
Votes
None
Humidifier in this range
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Describes how the power cable can be stored.
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Maintenance & Care
9
Holmes Ultrasonic
Cleaning Frequency Requirement
What is the required cleaning frequency?
7
day
0Votes
Humidifier in this range
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Holmes Ultrasonic
It is recommended to clean the humidifier every 7 days to maintain optimal performance and hygiene, preventing the buildup of mold and bacteria.
Indicates how often the humidifier must be cleaned.
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Holmes Ultrasonic
Mineral Buildup Resistance
Does it resist mineral buildup?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Holmes Ultrasonic
The humidifier is not designed with specific features for mineral buildup resistance. Regular cleaning and maintenance are crucial, especially if using hard water, to prevent white dust or scaling.
Reduces accumulation of minerals inside the device.
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Holmes Ultrasonic
Cleaning Method
What is the cleaning method?
0
Holmes Ultrasonic
0
Votes
Vinegar Wash
Humidifier in this range
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Describes how the device should be cleaned.
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Holmes Ultrasonic
Dishwasher-Safe Parts
Are any parts dishwasher-safe?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
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Indicates if any components can be safely washed in a dishwasher.
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Holmes Ultrasonic
Descaling Method
What is the descaling method?
0
Holmes Ultrasonic
0
Votes
Vinegar Soak
Humidifier in this range
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Specifies how mineral scale should be removed.
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Holmes Ultrasonic
Maintenance Indicators
Does it have maintenance indicators?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
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Shows alerts for cleaning or servicing.
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Holmes Ultrasonic
Mold Prevention System
Does it have a mold prevention system?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
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Built-in features that resist mold growth.
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Holmes Ultrasonic
Tank Cleaning Access
What is the tank cleaning access?
0
Holmes Ultrasonic
0
Votes
Removable Lid
Humidifier in this range
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Indicates how easily the tank can be cleaned inside.
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Holmes Ultrasonic
Maintenance Difficulty Level
What is the maintenance difficulty level?
0
Holmes Ultrasonic
0
Votes
Easy
Humidifier in this range
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Overall difficulty of maintaining the unit.
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Environmental & Operating Conditions
8
Holmes Ultrasonic
Emission Compliance
What is the emission compliance?
0
Holmes Ultrasonic
0
Votes
None
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Holmes Ultrasonic
The product currently does not have specific emissions compliance certifications such as CARB or EPA. This indicates it may not be subject to strict air quality regulations or is intended for markets where such certifications are not mandatory.
Indicates regulatory compliance for emissions or air quality.
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Holmes Ultrasonic
Operating Temperature Range
What is the operating temperature?
0
Holmes Ultrasonic
0
Votes
41-95°F
Humidifier in this range
Who knows?
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Holmes Ultrasonic
The humidifier is designed to operate effectively within a temperature range of 41-95°F (5-35°C). Operating outside this range may affect performance or damage the unit.
Temperature range within which the humidifier performs optimally.
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Holmes Ultrasonic
Operating Humidity Range
What is the operating humidity range?
0
Holmes Ultrasonic
0
Votes
20-80% RH
Humidifier in this range
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Holmes Ultrasonic
The optimal operating humidity range for this humidifier is between 20-80% RH (Relative Humidity). Maintaining humidity within this range can help prevent issues like mold growth at higher levels and dryness at lower levels.
Acceptable ambient humidity levels for proper operation.
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Holmes Ultrasonic
Storage Humidity Range
What is the storage humidity range?
0
Holmes Ultrasonic
0
Votes
20-80% RH
Humidifier in this range
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Holmes Ultrasonic
The recommended storage humidity range for the device is between 20-80% RH. Storing within this range helps preserve the humidifier's components and prevents mold or mildew growth during periods of inactivity.
Environmental humidity for safe storage.
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Holmes Ultrasonic
Environmental Safety Rating
What is the environmental safety rating?
0
Holmes Ultrasonic
0
Votes
Standard
Humidifier in this range
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Indicates product's compliance with environmental safety standards.
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Holmes Ultrasonic
Water Quality Requirement
What is the water quality requirement?
0
Holmes Ultrasonic
0
Votes
Tap Water Compatible
Humidifier in this range
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Specifies recommended water type for best performance.
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Holmes Ultrasonic
Indoor Air Quality Impact
What is the indoor air quality impact?
0
Holmes Ultrasonic
0
Votes
Improves Air Quality
Humidifier in this range
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Describes expected impact on indoor air quality.
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Holmes Ultrasonic
Storage Temperature Range
What is the storage temperature?
0
Holmes Ultrasonic
0
Votes
41-95°F
Humidifier in this range
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Suitable temperature range for storing the unit.
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Accessories & Warranty
8
Holmes Ultrasonic
Accessory Compatibility
What is the accessory compatibility?
0
Holmes Ultrasonic
0
Votes
Model-Specific
Humidifier in this range
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Holmes Ultrasonic
Accessories for this humidifier are Model-Specific, meaning they are designed to fit only this particular model for optimal performance.
Defines whether accessories are interchangeable.
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Holmes Ultrasonic
Warranty Length
What is the warranty length?
0
Holmes Ultrasonic
0
Votes
1 year
Humidifier in this range
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Duration of the product warranty.
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Holmes Ultrasonic
Warranty Coverage Type
What is the warranty coverage type?
0
Holmes Ultrasonic
0
Votes
Limited
Humidifier in this range
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Describes what the warranty protects.
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Holmes Ultrasonic
Replacement Filters
Are replacement filters included?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Indicates whether extra filters are provided.
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Holmes Ultrasonic
Replacement Cartridge
Is a replacement cartridge included?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Shows if a mineral or purification cartridge is included.
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Holmes Ultrasonic
Cleaning Tools
Are cleaning tools included?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Indicates if brushes or cleaning tools are provided.
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Holmes Ultrasonic
Spare Parts Availability
What is the spare parts availability?
0
Holmes Ultrasonic
0
Votes
Moderate
Humidifier in this range
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Indicates how easily spare parts can be purchased.
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Holmes Ultrasonic
Extended Warranty Options
Are extended warranty options available?
No
0Votes
Holmes Ultrasonic
Humidifier in this range
Who knows?
(Help us out by suggesting one!)
Indicates if extended protection plans are offered.
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Surveys
Because hot takes deserve votes.
Holmes Ultrasonic
Humidification Performance
How would you rate the overall humidification performance of this humidifier?
Excellent moisture output — Over 400 ml/hour
0Votes
Strong moisture output — 300 to 400 ml/hour
0Votes
Moderate moisture output — 200 to 300 ml/hour
0Votes
Weak moisture output — 100 to 200 ml/hour
0Votes
Very weak moisture output — Under 100 ml/hour
0Votes
Holmes Ultrasonic
Runtime per Tank
How long does one full tank typically last on this humidifier?
Very long runtime — Over 30 hours
0Votes
Long runtime — 20 to 30 hours
0Votes
Average runtime — 12 to 20 hours
0Votes
Short runtime — 6 to 12 hours
0Votes
Very short runtime — Under 6 hours
0Votes
Holmes Ultrasonic
Tank Capacity
How would you rate the tank capacity of this humidifier?
Very large tank — Over 1.5 gallons
0Votes
Large tank — 1.0 to 1.5 gallons
0Votes
Medium-sized tank — 0.6 to 1.0 gallons
0Votes
Small tank — 0.3 to 0.6 gallons
0Votes
Very small tank — Under 0.3 gallons
0Votes
Holmes Ultrasonic
Mist Output Control
How effective is the mist output control on this humidifier?
Very precise control — Multiple fine adjustment levels
0Votes
Good control — Several useful adjustment steps
0Votes
Decent control — Basic low/medium/high options
0Votes
Limited control — Only two mist output settings
0Votes
Poor control — One fixed mist level
0Votes
Holmes Ultrasonic
Noise Level
How quiet is this humidifier during operation?
Whisper quiet — Under 25 dB
0Votes
Quiet — 25 to 30 dB
0Votes
Audible but fine — 30 to 35 dB
0Votes
Noticeably loud — 35 to 40 dB
0Votes
Very loud — Over 40 dB
0Votes
Holmes Ultrasonic
Ease of Setup
How easy is it to set up this humidifier for first-time use?
Extremely easy — Ready in under 2 minutes
0Votes
Very easy — 2 to 5 minutes
0Votes
Simple enough — 5 to 10 minutes
0Votes
A bit complicated — 10 to 15 minutes
0Votes
Difficult — Over 15 minutes
0Votes
Holmes Ultrasonic
Ease of Refilling
How easy is it to refill the water tank on this humidifier?
Very convenient — Large opening, no spills
0Votes
Convenient — Easy to handle with minimal spills
0Votes
Acceptable — Requires some care when refilling
0Votes
A bit troublesome — Narrow opening, spill-prone
0Votes
Very inconvenient — Difficult to refill cleanly
0Votes
Holmes Ultrasonic
Cleaning & Maintenance
How easy is it to clean and maintain this humidifier?
Very easy — Wide access, few parts
0Votes
Easy — Simple routine cleaning
0Votes
Moderate — Some small parts to clean
0Votes
Hard — Many tight spots and components
0Votes
Very hard — Complicated, time-consuming cleaning
0Votes
Holmes Ultrasonic
Build Quality & Durability
How durable does this humidifier feel in terms of materials and construction?
Very durable — Built to last 5+ years
0Votes
Durable — Expected lifespan 3 to 5 years
0Votes
Fair durability — Expected lifespan 2 to 3 years
0Votes
Below average durability — Likely under 2 years
0Votes
Fragile — Feels easily breakable
0Votes
Holmes Ultrasonic
Smart Features & App Experience
How would you rate the smart features or app performance of this humidifier?
Excellent — Fast, reliable, intuitive
0Votes
Very good — Mostly smooth with minimal delays
0Votes
Supermod
Moderator
