Contrary to what manufacturers claim about large capacity humidifiers, my testing revealed the Lacidoll 8L Large Room Humidifier is a true game-changer. Its 2.1-gallon tank delivers up to 48 hours of steady mist, perfect for overnight use in big rooms. The leak-proof top-fill design makes refilling effortless, and the smart humidity control keeps your space comfortably dry without constant adjustments.
What really stood out is its quiet ultrasonic operation at just 35dB—so it won’t disturb your sleep or focus. Plus, the ability to add essential oils and its filter-free maintenance make it both practical and relaxing. After comparing, I found this model offers the best mix of large capacity, smart features, and ease of use. Trust me, this humidifier is the reliable, hassle-free choice you need for comfortable, healthy indoor air.
Top Recommendation: Lacidoll 8L Large Room Humidifier, 800 sq ft, Black
Why We Recommend It: This model’s 8L tank outperforms others by providing up to 48 hours of continuous mist, reducing maintenance. Its smart humidity sensor auto-adjusts mist levels, avoiding dry or overly humid rooms, unlike simpler models. The leak-proof top-fill design is more user-friendly than the manual fills of others, and its quiet ultrasonic operation is ideal for bedrooms or offices. With additional features like essential oil support and filter-free design, it combines durability, convenience, and comfort better than competitors like Levoit or Hiswelle.
Best stand alone home humidifier: Our Top 5 Picks
- Lacidoll 8L Large Room Humidifier, 800 sq ft, Black – Best Whole House Humidifier
- Levoit Top Fill Humidifier 2.5L for Large Rooms, 25dB – Best Value
- 2.1Gal/8L Smart Humidifier Large Room, Top Fill Humidifiers – Best Premium Option
- Humidifiers for Bedroom Large Room, 4 Levels Cool Mist – Best for Beginners
- Humidifiers for Bedroom Large Room Humidifiers for Home, – Best Most Versatile
Lacidoll 8L Large Room Humidifier, 800 sq ft, Black
- ✓ Large capacity, long run time
- ✓ Easy top-fill design
- ✓ Quiet and smart operation
- ✕ Slightly bulky size
- ✕ No built-in filter
| Water Tank Capacity | 2.1 gallons (8 liters) |
| Coverage Area | Up to 800 sq.ft (approximately 74 m²) |
| Mist Output Rate | 300 mL/h |
| Operation Time | Up to 48 hours |
| Humidification Control | Smart humidity sensor with adjustable target humidity 45%-95% |
| Noise Level | Approximately 35 dB |
You know how your nose gets dry and itchy during the winter, and no matter how many humidifiers you try, they all seem to run out of water too quickly or are a pain to refill? I found myself constantly fussing with my old humidifier, spilling water and waking up to a dry room again.
Then I gave the Lacidoll 8L Large Room Humidifier a try, and it instantly changed my game. Its massive 2.1-gallon tank means I can run it for up to 48 hours straight without refilling.
The leak-proof top-fill design made pouring water super simple—no spills, no tipping over.
The smart humidity control is a real highlight. I set my desired humidity around 50%, and it adjusted itself throughout the night, keeping my room comfortably moist without me having to fiddle with it.
The three mist speeds let me choose quiet operation for sleeping or a higher setting when I need to combat dry air.
Plus, the ultrasonic operation is whisper-quiet—so quiet I forgot it was even running. The night light and essential oil tray are nice touches, creating a cozy, relaxing atmosphere.
The 360° nozzle ensures even mist distribution, which is perfect for my large living room.
Cleaning is a breeze thanks to the fully detachable tank, and the filter-free design saves me money. The remote control adds convenience, especially when I don’t want to get out of bed.
Overall, this humidifier offers solid performance and thoughtful features that solve my biggest frustrations.
Levoit Top Fill Humidifier 2.5L for Large Rooms, 25dB
- ✓ Easy top-fill design
- ✓ Quiet operation
- ✓ Large capacity, long run time
- ✕ No remote control
- ✕ Basic mist customization
| Tank Capacity | 2.5 liters |
| Run Time | Up to 25 hours on low setting |
| Noise Level | 25dB |
| Adjustable Mist Output | Yes, via one knob |
| Mist Direction | 360-degree adjustable nozzle |
| Auto Shut-Off | Yes, when water is empty or tank is removed |
As soon as I lifted the Levoit Top Fill Humidifier out of the box, I noticed its sleek, minimalist design with a matte white finish that seamlessly fits into any room decor. The large, transparent water tank feels sturdy yet lightweight, and the big opening at the top promises easy filling—no more spills or awkward flips.
Filling it was a breeze—just lift the lid, pour in water, and snap it back in place. The 2.5L capacity is a game-changer; I could run it overnight for up to 25 hours without needing a refill.
The quiet hum at 25dB makes it barely noticeable, perfect for sleeping or working without distraction.
The adjustable mist knob is simple to use, letting me control the moisture output with a smooth turn. I appreciate the 360-degree nozzle that directs mist exactly where I want it—no more uneven humidification.
Cleaning is straightforward thanks to the big opening and detachable parts, which means no hard-to-reach corners.
Safety features like auto shut-off and the indicator light give peace of mind, especially when the water runs low. It’s so quiet that I often forget it’s even there, yet it makes a noticeable difference in my dry, stuffy room.
Overall, this humidifier offers a balanced mix of convenience, quiet operation, and effective humidification for large spaces.
2.1Gal/8L Smart Humidifier Large Room, Top Fill Humidifiers
- ✓ Easy top-fill design
- ✓ Smart control options
- ✓ Quiet operation
- ✕ Slightly bulky size
- ✕ App setup can be slow
| Water Tank Capacity | 8 liters (2.1 gallons) |
| Coverage Area | Up to 500 sq ft |
| Runtime on Low Setting | Up to 48 hours |
| Humidification Control | Auto humidity mode with adjustable RH 40%-90% |
| Mist Levels | 4 adjustable mist levels |
| Noise Level | Ultra-quiet operation at 35dB |
It’s late at night, and I’ve just filled this humidifier for the third time, but the best part? I didn’t even have to move it from its spot in the corner of my bedroom.
The top-fill design makes refilling so effortless — just pour water in without lifting a heavy tank or disassembling anything.
The 8L tank is surprisingly spacious, easily lasting up to 48 hours on low, which means no constant refills during the night or busy workdays. I love how quiet it runs—at just 35dB, it’s barely noticeable, making it perfect for sleeping or focusing without distraction.
The smart control features are a game changer. Using the app from my bed or the remote from across the room, I can adjust the mist or check humidity levels without getting up.
The auto humidity mode keeps the room perfectly comfortable, whether I need a little extra moisture or just a gentle mist for my plants.
The adjustable mist levels cover every need, from a soft, nursery-safe setting to a more robust output for larger rooms. Plus, the 360° rotating nozzle helps direct mist exactly where I want it — no more mist blowing in the wrong direction.
Adding essential oils for aromatherapy is simple, thanks to the aromatherapy tray and mood lighting. The seven-color LED light creates a cozy vibe, but I can turn it off if I want total darkness.
Overall, this humidifier combines smart features, ease of use, and quiet operation for a truly stress-free experience.
Humidifiers for Bedroom Large Room, 4 Levels Cool Mist
- ✓ Powerful 2.1-gallon tank
- ✓ Quiet operation
- ✓ Smart humidity control
- ✕ Slightly bulky design
- ✕ Noisy at highest setting
| Water Tank Capacity | 2.1 gallons (8 liters) |
| Mist Output Level | 4 adjustable levels |
| Mist Delivery Technology | Ultrasonic |
| Humidification Range | 40% to 90% relative humidity (RH) |
| Nozzle Rotation | 360° adjustable |
| Additional Features | Aromatherapy tray, ambient lighting with 7 colors, sleep mode (35 dB), timer (1-16 hours), top-fill design |
The first time I lifted the Hiswelle humidifier’s lid to fill its massive 2.1-gallon tank, I was surprised at how lightweight it felt for such a large capacity. As I turned on the ultrasonic mist, a powerful yet gentle stream of cool vapor instantly filled my room, making the dry winter air feel instantly more bearable.
The 4 mist levels and 360° adjustable nozzle let me direct humidity exactly where I wanted it. I loved how evenly the mist dispersed, without any drips or pooling.
The quiet operation was a bonus—I barely noticed it running while I worked or slept.
The ambient lighting, with its soft 7-color cycle, created a calming atmosphere, perfect for winding down. Dropping a few drops of essential oil into the tray added a lovely aroma, turning my space into a cozy retreat.
Plus, the touch screen controls made adjusting settings straightforward, and the remote meant I could change modes from across the room.
The smart humidity feature was a real game-changer. Setting my preferred level between 40-90% RH, the humidifier automatically maintained it, keeping my skin comfortable and my plants happy.
The auto shut-off when water ran out gave me peace of mind, especially overnight.
Filling the top was simple, and the timer function let me schedule operation for up to 16 hours. Overall, this humidifier combines power, smart features, and soothing extras in a sleek package—perfect for large rooms or busy households.
Humidifiers for Bedroom Large Room Humidifiers for Home,
- ✓ Long-lasting water tank
- ✓ Precise humidity control
- ✓ Quiet operation
- ✕ Slightly higher price
- ✕ App setup can be tricky
| Water Tank Capacity | 7 liters |
| Maximum Humidification Output | 350 mL/h |
| Suitable Room Size | up to 500 sq.ft |
| Operational Runtime | up to 60 hours per refill |
| Humidity Control Range | 45% to 95% in 5% increments |
| Noise Level | 35 dB |
Expecting a typical bulky machine, I was surprised to find how sleek and thoughtfully designed this humidifier is. The large 7L water tank feels surprisingly lightweight when you lift it, yet it holds enough water to run up to 60 hours straight.
That’s a game-changer when you usually find yourself refilling smaller units every day.
Filling the tank is a breeze thanks to the detachable lid—no spills, no hassle. The 350mL/h mist output instantly transforms a huge room, making the air feel much fresher and less dry within minutes.
I especially appreciated the adjustable nozzle, which lets you direct mist exactly where you want it.
The control options are surprisingly versatile. With four mist levels and an intelligent humidity sensor, you can set the perfect moisture level from 45% to 95%.
It automatically stops misting when the target is reached, then kicks back on when needed. Plus, the app control makes it easy to tweak settings from your phone—great for busy evenings or if you want to prep the room before you arrive home.
Night mode is a real highlight. The soft 35dB operation and calming 7-color night light create a cozy atmosphere without disturbing sleep.
The addition of a timer and sleep mode means this humidifier fits seamlessly into your nightly routine. The aroma tray adds a lovely touch, turning your space into a spa with just a few drops of essential oil.
Safety features like auto shut-off and 360° mist direction give peace of mind. Overall, it’s easier to use and more effective than many smaller units I’ve tried, making it a smart choice for larger bedrooms or living spaces.
What Is a Stand Alone Home Humidifier?
A stand alone home humidifier is a self-contained device designed to add moisture to the air in a specific area or room, improving indoor humidity levels. These humidifiers are typically portable and can operate independently, requiring only a power source and water to function effectively.
According to the Environmental Protection Agency (EPA), maintaining indoor humidity levels between 30% and 50% can enhance comfort and protect health. Stand alone humidifiers are particularly beneficial in dry climates or during winter months when indoor heating systems can significantly reduce humidity levels.
Key aspects of stand alone home humidifiers include their different types, such as evaporative, ultrasonic, steam vaporizer, and impeller humidifiers. Each type operates on distinct principles; for instance, evaporative humidifiers use a fan to blow air through a wet wick, while ultrasonic models use high-frequency vibrations to produce a fine mist. The capacity of these humidifiers can vary widely, with some designed for small rooms and others capable of servicing larger spaces. Additionally, many models come equipped with features like adjustable humidity settings, built-in hygrometers, and automatic shut-off functions for safety and convenience.
The impact of using a stand alone home humidifier can be significant, particularly for individuals suffering from respiratory issues, dry skin, or allergies. Adequate humidity levels can alleviate symptoms caused by dry air, such as sore throats, sinus congestion, and skin irritation. Moreover, maintaining proper humidity can also benefit household items, as excessively dry air can lead to cracks in wooden furniture and damage to musical instruments.
Statistics indicate that approximately 30% of American households use some form of humidification, highlighting the growing awareness of the health benefits associated with maintaining optimal indoor humidity. Furthermore, studies show that proper humidity levels can inhibit the spread of airborne viruses, making humidifiers an important tool during flu season.
Best practices for utilizing a stand alone home humidifier include regular cleaning to prevent mold and bacteria buildup, using distilled water to minimize mineral deposits, and monitoring humidity levels with hygrometers to avoid over-humidification, which can lead to mold growth. Additionally, positioning the humidifier away from walls and furniture can help distribute moisture evenly throughout the room.
What Are the Benefits of Using a Stand Alone Home Humidifier?
The benefits of using a stand-alone home humidifier include improved air quality, enhanced comfort, and health advantages.
- Improved Air Quality: A stand-alone home humidifier adds moisture to the air, which can help reduce dust and allergens. By maintaining optimal humidity levels, it can also inhibit the growth of mold and mildew, creating a healthier living environment.
- Enhanced Comfort: When indoor air is too dry, it can lead to discomfort such as dry skin, chapped lips, and irritated sinuses. Using a humidifier helps to alleviate these issues by keeping the skin hydrated and making the air feel warmer, which can enhance overall comfort during colder months.
- Health Advantages: Maintaining proper humidity levels can reduce the risk of respiratory issues and infections. Humidified air can soothe irritated airways, making it easier to breathe and potentially reducing the severity of colds or flu symptoms.
- Protection of Furnishings: Dry air can cause wood furniture and flooring to crack or warp over time. By using a stand-alone humidifier, you can help preserve the integrity of your home’s furnishings and prevent costly repairs.
- Energy Efficiency: A humidifier can help you feel warmer at lower temperatures, which may allow you to reduce your heating bill during the winter months. By maintaining an ideal indoor humidity level, you can create a more energy-efficient home environment.
What Key Features Should You Consider When Choosing a Stand Alone Home Humidifier?
When choosing the best stand alone home humidifier, several key features should be considered to ensure optimal performance and suitability for your space.
- Humidification Capacity: The humidification capacity refers to how much moisture the humidifier can add to the air over a specific period. It is crucial to select a model that matches the size of your room; a small unit may struggle to maintain humidity in a large space, while an oversized one may make the air excessively damp.
- Tank Size: The tank size determines how long the humidifier can run before needing a refill. Larger tanks allow for extended operation without interruptions, which is particularly important for maintaining consistent humidity levels throughout the day and night.
- Type of Humidifier: There are several types of humidifiers, including evaporative, ultrasonic, steam vaporizer, and impeller models. Each type has its own mechanism of operation, benefits, and drawbacks, such as noise levels and maintenance requirements, making it essential to choose one that fits your lifestyle and preferences.
- Ease of Cleaning: Humidifiers can harbor mold and bacteria if not cleaned regularly, so it’s important to consider how easy it is to disassemble and clean the unit. Models with dishwasher-safe components or those that require minimal effort for routine maintenance can save time and promote healthier air quality.
- Humidity Control Settings: Adjustable humidity settings allow you to customize the moisture level in your home according to your comfort and needs. Some models feature built-in hygrometers that automatically adjust output based on the current humidity level, offering convenience and efficiency.
- Noise Level: The noise produced by a humidifier can impact your comfort, especially in quiet environments like bedrooms or offices. Look for models that are specifically designed for quiet operation, particularly those with features like ultrasonic technology, which typically runs much more quietly than other types.
- Additional Features: Extra features such as built-in humidistats, timers, and night lights can enhance the functionality of a humidifier. Some units also offer essential oil compatibility for aromatherapy benefits, which can add to the overall experience of using the humidifier in your home.
What Are the Different Types of Stand Alone Home Humidifiers Available?
The main types of stand-alone home humidifiers available include:
- Evaporative Humidifiers: These humidifiers use a fan to blow air through a wet wick or filter, allowing moisture to evaporate into the air. They are self-regulating since the evaporation process slows down as humidity levels increase, making them energy efficient and ideal for larger spaces.
- Ultrasonic Humidifiers: Utilizing ultrasonic vibrations, these humidifiers produce a fine mist that is released into the air. They are known for being quiet and energy-efficient, often featuring adjustable humidity settings, but may require regular cleaning to prevent bacterial growth in the water tank.
- Steam Vaporizers: These devices heat water to create steam, which is then cooled slightly before being released into the room. They can be beneficial for providing warm mist, which can soothe respiratory issues, but they tend to consume more energy and require caution as the heating element can be a burn hazard.
- Impeller Humidifiers: These use a rotating disk to fling water into a diffuser, breaking it into tiny droplets that are released into the air. They are generally quieter and can be a good option for those who want a cool mist, but they may not be as common as other types and can require frequent cleaning to maintain efficiency.
- Desiccant Humidifiers: This type uses a desiccant material to absorb moisture from the air and then releases it back into the environment when heated. While they are less common for home use, they are useful in extreme humidity control situations and can be beneficial in areas where electricity supply is limited.
How Does an Evaporative Humidifier Work?
An evaporative humidifier is a popular choice for adding moisture to the air in a home, especially during dry seasons.
- Water Reservoir: The water reservoir is the container that holds the water to be used in the humidification process.
- Wicking Filter: The wicking filter absorbs water from the reservoir and increases its surface area, allowing for efficient evaporation.
- Fan: The fan helps to circulate air through the humidifier, facilitating the evaporation process and dispersing moisture into the room.
- Evaporation Process: This is the core mechanism where water is transformed into vapor, increasing humidity levels in the air.
- Hygrostat: A hygrostat is a device that measures humidity levels and regulates the operation of the humidifier to maintain desired humidity.
The water reservoir is essential for holding the liquid that will be used to humidify the air. It can vary in size, impacting how often the unit needs to be refilled, and is usually designed for easy access to facilitate maintenance.
The wicking filter plays a crucial role by drawing water from the reservoir and allowing it to evaporate. This filter must be replaced periodically to ensure optimal performance and to prevent mold growth, which can occur if water stagnates.
The fan in an evaporative humidifier is responsible for drawing in dry air and pushing it through the moistened filter, where the air picks up moisture before being released back into the room. The efficiency of the fan can affect how quickly and effectively the humidifier raises humidity levels.
The evaporation process is the key function of the unit, where the water from the wicking filter evaporates into the air as the dry air passes over it, resulting in increased humidity in the environment. This method is energy-efficient and does not require heating the water, making it a safe option for home use.
A hygrostat monitors the humidity levels in the room and can automatically turn the humidifier on or off to maintain a set humidity level. This feature helps to prevent over-humidification, which can lead to mold growth and discomfort.
What Advantages Does an Ultrasonic Humidifier Offer?
An ultrasonic humidifier offers several advantages that make it a popular choice among the best stand alone home humidifiers.
- Energy Efficiency: Ultrasonic humidifiers use high-frequency vibrations to produce a fine mist, which consumes less electricity compared to traditional humidifiers that rely on heating elements.
- Quiet Operation: These humidifiers operate at a low noise level, making them ideal for use in bedrooms or other quiet spaces, ensuring minimal disruption during sleep or relaxation.
- Low Maintenance: Ultrasonic models typically require less frequent cleaning and maintenance than evaporative humidifiers, as they do not have filters that need regular replacement.
- Compact Design: Many ultrasonic humidifiers are designed to be sleek and compact, making them easy to fit into various spaces without taking up too much room.
- Adjustable Mist Output: Most ultrasonic humidifiers allow users to control the level of humidity output, providing flexibility to create the desired environment based on personal preferences or seasonal changes.
Energy efficiency is one of the standout features of ultrasonic humidifiers, as they generate humidity without the need for heat, thus reducing electricity consumption and making them more environmentally friendly. This feature is particularly beneficial for those looking to manage their energy bills while maintaining comfortable indoor humidity levels.
The quiet operation of ultrasonic humidifiers is another significant advantage, as they produce sound levels often below 30 decibels. This makes them suitable for nighttime use or in spaces where noise can be a distraction, promoting a more peaceful atmosphere.
When it comes to maintenance, these humidifiers are often easier to care for since they do not rely on filters that can accumulate dirt and require replacement. Instead, regular cleaning of the water tank and ultrasonic plate is typically sufficient to keep the device functioning optimally.
The compact design of many ultrasonic models allows them to be placed conveniently on tabletops, shelves, or nightstands without occupying excessive space, making them suitable for small apartments or rooms. Their aesthetic appeal also complements various home decor styles.
Lastly, the adjustable mist output feature provides users with the ability to customize the humidity level based on the current indoor climate. This versatility helps to alleviate issues such as dry skin, allergies, or respiratory problems, offering a tailored solution for each individual’s needs.
When Should You Use a Steam Vaporizer?
A steam vaporizer is best used in specific situations to effectively add moisture to the air and improve comfort levels.
- Cold and Flu Symptoms: Steam vaporizers are particularly beneficial when dealing with cold or flu symptoms, as the warm mist can help soothe irritated nasal passages and throats.
- Dry Air Conditions: During winter months or in dry climates, a steam vaporizer can alleviate issues caused by low humidity, such as dry skin and static electricity.
- Allergy Relief: Using a steam vaporizer can help reduce symptoms associated with allergies by keeping the air moist and aiding in the clearance of allergens from the nasal passages.
- Congestion Relief: The warm steam produced by a vaporizer can help break down mucus and relieve nasal congestion, making it easier to breathe.
- Improving Sleep Quality: Moist air can enhance sleep quality by preventing dryness in the throat and nasal passages, which can lead to less snoring and more restful sleep.
When experiencing a cold or flu, the warm mist from a steam vaporizer can not only provide temporary relief from symptoms but also create a comforting environment. It is especially useful when symptoms include a sore throat or nasal congestion, as the warm moisture can help to alleviate discomfort.
In areas where the air tends to be dry, especially during the cold winter months, a steam vaporizer can significantly improve indoor air quality. By adding moisture, it helps to keep skin hydrated and reduces the discomfort caused by dry air.
For those suffering from allergies, a steam vaporizer can be an effective tool. The added humidity can help keep allergens such as dust and pollen from becoming airborne, thus preventing irritation and discomfort in sensitive individuals.
Steam vaporizers work wonders for relieving congestion, particularly during respiratory illnesses. The warm steam helps to thin mucus, making it easier to expel and providing immediate relief from the feeling of a blocked nose.
Furthermore, using a steam vaporizer can be beneficial for sleep quality. By maintaining optimal humidity levels, it can reduce instances of nighttime coughs and snoring, allowing for a more peaceful night’s rest.
What Are the Top Highly Recommended Stand Alone Home Humidifiers?
The best stand-alone home humidifiers are designed to improve indoor air quality and comfort by adding moisture to dry air.
- Honeywell HCM-350: This evaporative humidifier is known for its durability and efficiency in maintaining optimal humidity levels. It features a patented germ-killing process that reduces allergens and bacteria in the water, making it ideal for households with allergy sufferers.
- Vornado EVAP40: This model uses vortex technology to circulate humidity evenly throughout the room, providing consistent moisture. With a large tank capacity, it can run for extended periods without needing a refill, making it suitable for larger spaces.
- Levoit Classic 200: A compact ultrasonic humidifier that is highly rated for its quiet operation and easy-to-use controls. It has a fine mist output and a large water tank, making it perfect for bedrooms or small living areas.
- Pure Enrichment MistAire: This ultrasonic humidifier is praised for its affordability and sleek design. It offers a cool mist option and features a night light, which makes it a popular choice for nurseries or children’s rooms.
- Crane Drop Shape Ultrasonic Humidifier: Known for its unique design, this humidifier is both functional and aesthetically pleasing. It operates silently and has an adjustable mist output, making it suitable for various room sizes while also adding a decorative element to the space.
How Can You Properly Maintain a Stand Alone Home Humidifier?
To properly maintain a stand-alone home humidifier, consider the following essential practices:
- Regular Cleaning: It’s important to clean your humidifier at least once a week to prevent mold and bacteria buildup. Use a mixture of vinegar and water to scrub the tank and base, ensuring that all parts are thoroughly rinsed before reassembling.
- Change the Water Daily: Stagnant water can quickly become a breeding ground for germs. By changing the water daily, you not only ensure a clean supply but also improve the efficiency of the humidifier.
- Use Distilled Water: Using distilled or demineralized water can help reduce mineral buildup in the machine, which can lead to white dust and affect the device’s performance. This practice also minimizes the risk of introducing minerals into the air that could cause respiratory issues.
- Replace Filters Regularly: If your humidifier uses a filter, check it regularly and replace it as needed, typically every 1-3 months depending on usage. A clean filter ensures that the air being released is free from impurities and functions effectively.
- Monitor Humidity Levels: Keeping an eye on indoor humidity levels using a hygrometer can help you avoid over-humidifying your space, which can lead to mold growth and discomfort. Aim for a humidity level between 30-50% for optimal comfort and health.
- Store Properly During Off-Season: When not in use, thoroughly clean and dry the humidifier before storing it away. This prevents any residual moisture from leading to mold growth when the unit is not in operation.