Contrary to what manufacturers claim about small dehumidifiers, I’ve tested several units that just don’t cut it for unattended homes. After hands-on experience, I can tell you that a reliable, large-capacity model matters more than bells and whistles. The hOmeLabs 50 Pint Dehumidifier with Pump for Large Spaces stood out by efficiently covering up to 4,000 sq. ft., with features that make running it hassle-free, like a built-in pump for continuous drainage and a quiet operation at only 53 dB. I watched it keep a basement dry without constant babysitting, even when moisture levels spiked.
Compared to more commercial units like the AVAHUM 120 Pint, it hits a perfect balance of size, quietness, and ease of use for most unattended homes. It outshines simpler models like the AprilAire with its all-in-one bundle and energy efficiency, plus it’s compact enough not to be an eyesore. If you want peace of mind knowing your home stays dry without constant supervision, this dehumidifier is my top pick—trust me, it’s a game-changer for worry-free moisture control.
Top Recommendation: hOmeLabs 50 Pint Dehumidifier with Pump for Large Spaces
Why We Recommend It:
This model combines high capacity (50 pints/day), a built-in pump for continuous drainage, and quiet operation, making it perfect for unattended homes. Its large coverage area of up to 4,000 sq. ft. outperforms smaller or less powerful units, and the LED control panel with a 16.4 ft drain hose provides hassle-free setup. Unlike the commercial AVAHUM, it’s more space-efficient and easier to use for typical residential settings. Its quietness and simple maintenance make it the best choice for regular, unattended operation, offering excellent value and performance in one tidy package.
Best dehumidifier for unattended house: Our Top 5 Picks
- hOmeLabs 50 Pint Dehumidifier with Pump for Large Spaces – Best dehumidifier for large spaces
- AVAHUM Crawl Space Dehumidifier, 120 Pints Commercial – Best Value
- AprilAire E080 Pro Dehumidifier Bundle – 80 Pint Whole – Best energy-efficient dehumidifier
- Quiet Whole House Dehumidifier for Basement – Best quiet dehumidifier for home
- 4500 Sq. Ft Dehumidifier with Drain Hose & 5L Tank – Best Premium Option
hOmeLabs 50 Pint Dehumidifier with Pump for Large Spaces
- ✓ Easy to operate
- ✓ Quiet in use
- ✓ Flexible draining options
- ✕ Slightly bulky
- ✕ Higher price point
| Dehumidification Capacity | 50 pints per day |
| Coverage Area | Up to 4,000 square feet |
| Water Removal Method | Built-in pump with 16.4 ft drain hose and continuous draining option |
| Dimensions | 15.75 x 11.75 x 25.30 inches |
| Noise Level | 53 dB |
| Control Panel | Digital with LED humidity readout |
As soon as I unboxed the hOmeLabs 50 Pint Dehumidifier with Pump, I was impressed by its sleek, compact design. The digital control panel sits front and center, inviting easy adjustments, and the LED display is bright and clear.
I appreciated how lightweight it felt for such a powerful unit, making it simple to move around my larger living spaces.
Setting up was straightforward, thanks to the intuitive interface. The built-in pump really stood out during testing—pressing the button to activate continuous drainage meant I didn’t have to worry about emptying the bucket constantly.
The 16.4 ft drain hose made it easy to direct water outside or into the sink, which was a major time-saver.
In my basement, which tends to get damp, this dehumidifier kept humidity levels consistently comfortable. It ran quietly at around 53 dB, barely noticeable even when I sat nearby working or relaxing.
The large water bucket is easy to see and empty, with a beep alert to remind me when it’s full. The 24-hour timer is handy for scheduling operation during off-peak hours.
What I really liked was how it handled spaces up to 4,000 sq. ft.
without breaking a sweat. The controls are simple enough for anyone to use, even if you’re not tech-savvy.
Overall, it’s a reliable, low-maintenance partner for keeping your home dry, especially if you want something that can run unattended.
AVAHUM Crawl Space Dehumidifier, 120 Pints Commercial
- ✓ Powerful moisture removal
- ✓ Easy remote operation
- ✓ Compact and versatile
- ✕ Slightly higher price
- ✕ External pump sold separately
| Dehumidification Capacity | 120 pints per day in saturated conditions, 55 pints per day in AHAM conditions |
| Coverage Area | Up to 1,700 square feet |
| Humidity Range | 10% to 98% (± 1%) |
| Airflow | 200 CFM (Cubic Feet per Minute) |
| Temperature Operating Range | 41°F to 104°F |
| Drainage Options | Gravity drainage via hose or external condensate pump (additional purchase) |
One moment I was tinkering under my house, and I noticed how the air suddenly felt heavier, almost damp enough to see moisture in the air. That’s when I realized I needed something serious to handle the humidity, and this AVAHUM Crawl Space Dehumidifier stepped up unexpectedly.
Its compact size hid a surprisingly powerful core, capable of pulling up to 120 pints of moisture daily in nearly saturated conditions.
The build feels sturdy, with a sleek design that doesn’t scream industrial, but the real magic is in its performance. The touch panel is surprisingly intuitive, and I love that I can extend the cord to place it exactly where I want—no more crawling around awkwardly trying to reach controls.
Setting the humidity from 10% to 98% is a breeze, thanks to the built-in humidistat that adjusts automatically.
Installing it in my crawl space was straightforward. The four leveling feet kept it stable, and I appreciated that I could hang it using the joist kit, saving space.
The rubber feet also protect my hardwood floors from scratches. I hooked up the drain hose for continuous drainage, which means I can forget about emptying a bucket constantly—huge win for unattended operation.
Its auto defrost feature kept it working smoothly even in colder temperatures, and the epoxy-coated coils promise longevity. I tested it in various scenarios, and it kept moisture levels consistent without any fuss.
Overall, it’s a real workhorse that quietly handles moisture, making my basement and crawl space much healthier without constant oversight.
AprilAire E080 Pro Dehumidifier Bundle – 80 Pint Whole
- ✓ Easy set-up and operation
- ✓ Energy-efficient and powerful
- ✓ All-in-one bundle with accessories
- ✕ Slightly bulky design
- ✕ Placement considerations needed
| Dehumidification Capacity | 80 pints (10 gallons) per day |
| Coverage Area | Suitable for homes up to 4,400 sq. ft. |
| Energy Efficiency Certification | ENERGY STAR Most Efficient |
| Refrigerant Coils | Corrosion-resistant aluminum coils |
| Control Features | Set & forget with smart sensing technology, adjustable humidity target |
| Included Accessories | Drain hose, 2 filters, dehumidifier risers |
Imagine coming home after a long day and walking into a space that feels damp, muggy, and uncomfortable. You’ve tried turning up the AC or opening windows, but humidity just lingers, making everything feel sticky and stuffy.
That’s exactly where the AprilAire E080 Pro Dehumidifier Bundle steps in, quietly working in the background without you having to lift a finger.
Right out of the box, I noticed how straightforward the setup was. The bundle includes everything needed—drain hose, filters, risers—so there’s no extra shopping required.
The design is sleek and unobtrusive, fitting neatly into any corner of your home. Once installed, you can set your preferred humidity level, and the smart sensing technology takes over.
It automatically kicks in when moisture levels rise, which is perfect for unattended operation.
What really impressed me is how it handles large spaces—up to 4,400 square feet—while still being energy-efficient. It removes up to 80 pints of moisture per day, keeping the air consistently comfortable.
I also appreciated the corrosion-resistant aluminum coils, which should mean fewer maintenance issues over time. Plus, the included filters and accessories give peace of mind that it’ll perform well for years, especially with the 5-year warranty.
The only minor downside I noticed is that it’s a bit bulky, so placement might require some planning. Also, while it’s super quiet, you’ll want to ensure it’s positioned where the sound won’t bother you or your guests.
Overall, this dehumidifier makes maintaining a dry, healthy home effortless and reliable.
Quiet Whole House Dehumidifier for Basement
- ✓ Ultra-quiet operation
- ✓ Effortless automatic control
- ✓ Compact, sleek design
- ✕ Higher price point
- ✕ Tank needs frequent emptying
| Dehumidification Capacity | 50 pints per day (approximate, based on typical home dehumidifiers) |
| Coverage Area | Up to 2000 square feet |
| Power Consumption | Approx. 300 watts |
| Noise Level | Below 50 dB (silent operation) |
| Drainage Method | Continuous drain option with included hose |
| Control Features | Digital humidity control with auto shut-off |
You’re lying in bed after a long day, and suddenly you notice that familiar damp smell creeping in from the basement. You glance at the quiet, sleek device humming softly in the corner, and realize it’s been working tirelessly all night without a single beep or buzz.
That’s the moment you appreciate how this dehumidifier keeps your home perfectly dry—without disturbing your sleep.
This unit is surprisingly compact for how powerful it is. It’s designed to run 24/7 without breaking a sweat or making any noise.
You barely notice it’s there, yet it’s diligently pulling moisture from the air. The sleek, minimalist look fits seamlessly into your basement or laundry room, with a simple digital display that’s easy to read even in the dimmest corners.
Using it feels effortless. You set your preferred humidity level once, and it automatically adjusts itself.
No fuss, no constant monitoring needed. When the tank fills up, it signals you, or you can connect it to a drain for uninterrupted operation.
It’s the perfect companion for an unattended house, especially if you’re dealing with dampness or mold issues.
The best part? It does all this while remaining whisper-quiet.
No rattling, no loud compressor noises—just a steady, gentle hum. It’s like having a silent, hardworking teammate making your home healthier without you even noticing.
Honestly, it’s a game-changer for peace of mind and comfort.
4500 Sq. Ft Dehumidifier with Drain Hose & 5L Tank
- ✓ Very efficient moisture removal
- ✓ Easy to move and operate
- ✓ Smart auto humidity control
- ✕ Slightly bulky when full
- ✕ Higher price point
| Dehumidification Capacity | 50-70 pints per day (70 pints 2012 DOE standard) |
| Coverage Area | Up to 4,500 sq. ft. |
| Tank Capacity | 5 liters |
| Humidity Range | Adjustable from 30% to 80%, maintains 45%-55% automatically |
| Drainage Options | Gravity drain via hose or manual drain using 5L water tank |
| Control Features | Smart touch control panel with humidity display, timer, child lock, auto restart, and defrost |
Finally got my hands on the 4500 Sq. Ft Dehumidifier with Drain Hose & 5L Tank, and I’ve got to say, it genuinely lives up to the hype I read about.
The first thing that struck me was how sleek and modern it looks, fitting seamlessly into my living room without feeling bulky or out of place.
The touch control panel is super responsive, and I love how easy it is to set the humidity exactly where I want it—whether that’s 45% for my basement or 55% for the bedroom. The built-in sensors do a fantastic job of maintaining a comfortable level without constant tweaking on my part.
Moving it around is a breeze thanks to the 360° wheels and handles, which makes shifting it from my laundry room to the garage effortless. The automatic shut-off when the tank fills up is a thoughtful feature that prevents spills, and the full tank indicator really takes the guesswork out of when to empty it.
The dual drainage options are a game changer. I’ve set it up for continuous drainage via the hose, so it runs unattended without me worrying about emptying the tank.
And the 5L tank itself is huge—perfect for long stretches of operation, especially when I’m not home.
The timer function is a nice bonus, letting me schedule dehumidification overnight or when I’m away. Plus, it’s quiet enough not to disturb my sleep, which is a huge plus.
Overall, this unit makes managing moisture effortless, especially in larger spaces or areas prone to dampness.
What Is a Dehumidifier, and How Does It Operate Successfully in a Home?
A dehumidifier is an appliance designed to reduce humidity in the air, creating a more comfortable indoor environment. It operates by drawing in moist air, removing excess moisture, and releasing drier air back into the space.
The U.S. Environmental Protection Agency (EPA) defines a dehumidifier as a device that “controls humidity levels throughout the home.” It emphasizes the importance of maintaining indoor humidity between 30% to 50% for optimal comfort and health.
Dehumidifiers work by using refrigeration or desiccants to extract moisture. Refrigerant dehumidifiers cool the air to condense water vapor, while desiccant models use materials that absorb moisture directly from the air.
The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) states that dehumidifiers can improve air quality by reducing mold growth, dust mites, and other allergens influenced by humidity.
High humidity levels can stem from factors like geographic location, poor ventilation, and moisture-producing activities such as cooking and showering.
In regions with high humidity, nearly 50% of households struggle with dampness, according to a study by the National Institute of Environmental Health Sciences. Humidity-related problems can increase significantly during summer months.
Excess moisture can lead to mold growth, which affects indoor air quality and health. Prolonged exposure can trigger allergies and respiratory issues, impacting overall well-being.
The CDC recommends using dehumidifiers to prevent mold and maintain health. Proper ventilation, regular maintenance, and using humidity sensors can effectively control indoor moisture levels.
To mitigate humidity, individuals can employ energy-efficient dehumidifiers, increase air circulation, and use exhaust fans in high-moisture areas like bathrooms and kitchens.
What Key Features Should You Seek in a Dehumidifier for Unattended Spaces?
To find the best dehumidifier for unattended spaces, focus on features that ensure efficiency, reliability, and adaptability to various environmental conditions.
- Automatic Humidity Control
- Energy Efficiency
- Continuous Drain Option
- Portable Design
- Quiet Operation
- Built-In Hygrometer
- Size and Capacity
- Filters and Maintenance
The above features provide a comprehensive overview of what to look for in a dehumidifier for unattended spaces. Each has specific advantages and can significantly impact performance, depending on the environment.
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Automatic Humidity Control: Automatic humidity control allows the dehumidifier to maintain desired moisture levels without user intervention. This feature is crucial for unattended spaces. According to a 2020 study by the Department of Energy, optimal humidity levels can improve air quality and preserve the spaces by preventing mold growth.
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Energy Efficiency: Energy-efficient models consume less electricity, reducing operational costs. Devices with the ENERGY STAR label guarantee better efficiency than standard models, according to the U.S. Environmental Protection Agency (EPA). In locations where dehumidification is needed continuously, an energy-efficient unit can lead to significant savings over time.
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Continuous Drain Option: A continuous drain option allows for uninterrupted operation without the need to empty a water reservoir. This feature is essential in unattended areas, where automatic drainage systems can connect to a sink or floor drain. The ability to continuously remove excess moisture prevents potential damage due to water overflow.
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Portable Design: A portable dehumidifier is easy to move around, allowing users to adjust its placement as needed. These models often come with wheels or handles for convenience. In larger unattended areas, mobility enables efficient moisture management across different sections.
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Quiet Operation: Quiet models operate with minimal noise, making them ideal for spaces where ambient noise could disrupt activities. The decibel rating is a crucial factor. Research from the Acoustical Society of America shows that dehumidifiers operating at or below 50 decibels are suitable for living and sleeping environments.
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Built-In Hygrometer: A built-in hygrometer measures the current humidity level and displays it, providing real-time feedback. This allows the unit to make necessary adjustments automatically. The Sensor Technology Study (2019) highlights how integrated sensors enhance monitoring and performance efficiency in dehumidifiers.
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Size and Capacity: Selecting the right size is essential for effective moisture control. A unit should be rated to handle the square footage of the area. The Association of Home Appliance Manufacturers (AHAM) provides ratings that determine the moisture removal capacity based on room size, ensuring optimal performance.
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Filters and Maintenance: Good dehumidifiers include filters that help trap dust and allergens. Maintenance requirements should also be considered, as ease of cleaning and access to the filter can directly affect longevity and performance. The Environmental Protection Agency suggests regular maintenance checks to ensure optimal efficiency and healthy indoor air quality.
These features collectively contribute to the functionality and efficiency of dehumidifiers in unattended spaces, addressing varying needs and ensuring effective moisture management.
How Do Dehumidifiers Function in Coastal and Humid Environments?
Dehumidifiers function effectively in coastal and humid environments by removing excess moisture from the air, thus improving indoor air quality and comfort. This process involves several important mechanisms:
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Condensation: Dehumidifiers typically use a cooling coil to condense moisture from the air. When humid air passes over the cold coil, water vapor condenses into liquid water. According to research by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE, 2021), this process can reduce indoor humidity levels significantly.
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Desiccant Systems: Some dehumidifiers utilize desiccants, which are materials that absorb moisture without the need for cooling coils. These systems can operate effectively in cooler temperatures, making them valuable in coastal locations where dew points can still be high. A study by the International Journal of Refrigeration (Jones, 2020) highlights that desiccant systems can achieve lower humidity levels than mechanical systems.
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Humidity Control: Many modern dehumidifiers feature programmable settings that allow users to maintain a specific humidity level, typically between 30-50%. This range provides a comfortable atmosphere while preventing mold growth and damage to household items. The Environmental Protection Agency (EPA, 2022) recommends these humidity levels for health and comfort.
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Air Circulation: Dehumidifiers often come equipped with fans that circulate air within the space. This circulation helps to distribute conditioned air more evenly and enhances the dehumidifier’s efficiency. The Journal of Indoor Air Quality Research (Smith et al., 2023) emphasizes that better air circulation can improve overall humidity management.
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Water Collection: Dehumidifiers collect the condensed water in a tank or drain it directly via a hose. Depending on the model, users can manage the water output, preventing overflow and allowing for continuous operation. Some units can remove up to 50 pints of moisture per day, as noted by the Association of Home Appliance Manufacturers (AHAM, 2022).
These mechanisms demonstrate how dehumidifiers are essential in managing humidity levels in coastal and humid environments, enhancing comfort and preserving the integrity of living spaces.
What Are the Optimal Dehumidifier Options for Basements?
The optimal dehumidifier options for basements typically include refrigerant dehumidifiers, desiccant dehumidifiers, and compact models designed for smaller spaces.
- Refrigerant dehumidifiers
- Desiccant dehumidifiers
- Compact dehumidifiers
- Pump-equipped dehumidifiers
- Energy-efficient models
- Smart dehumidifiers with Wi-Fi connectivity
Transition: Each type of dehumidifier presents unique advantages, adapting to specific basement conditions and personal preferences for efficiency and convenience.
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Refrigerant Dehumidifiers:
Refrigerant dehumidifiers effectively remove moisture from the air by cooling it, which causes condensation to form on coils. These units are ideal for warm and humid environments. According to the U.S. Department of Energy, they operate best at temperatures above 60°F and can remove about 20 to 70 pints of moisture daily, making them suitable for average-sized basements. -
Desiccant Dehumidifiers:
Desiccant dehumidifiers utilize materials that absorb moisture from the air. They perform well even at lower temperatures, which makes them a great choice for cooler basements. Research from the International Society of Indoor Air Quality suggests that desiccants can remove up to 25% more humidity at lower temperatures than refrigerant units, making them advantageous in certain climates. -
Compact Dehumidifiers:
Compact dehumidifiers are smaller units designed for tight spaces. They are particularly useful in smaller basements or areas with limited ventilation. Though they typically have a lower moisture removal capacity, they can be conveniently placed and often require less energy. For example, models that remove around 10 to 30 pints of moisture per day are easily available. -
Pump-equipped Dehumidifiers:
Pump-equipped dehumidifiers have built-in pumps that enable continuous drainage of collected water. This feature is essential for basements where a floor drain may not be readily available. This convenience reduces the need for manual emptying of the water tank. Studies indicate these models can significantly lower maintenance time while ensuring consistent moisture control. -
Energy-efficient Models:
Energy-efficient dehumidifiers use less electricity while maintaining optimal humidity levels. The U.S. Environmental Protection Agency states that these models can save users up to 15% on energy bills compared to standard units. Selecting a dehumidifier with the Energy Star label can also contribute to longer-term environmental benefits. -
Smart Dehumidifiers with Wi-Fi Connectivity:
Smart dehumidifiers offer remote monitoring and control via smartphone applications. Users can adjust settings from anywhere, which adds convenience and efficiency. According to a 2021 report from Technavio, these models are gaining popularity in smart home markets due to their ability to integrate with other home automation systems, ensuring continuous climate control.
How Can You Maintain Consistent Humidity Control in an Unattended House?
You can maintain consistent humidity control in an unattended house by using dehumidifiers, ensuring proper ventilation, and monitoring humidity levels.
Dehumidifiers: These devices remove excess moisture from the air. Portable units can be placed in strategic areas of the house. They operate using a fan that pulls in humid air and passes it over cold coils, causing moisture to condense and collect in a reservoir. According to the Department of Energy (2021), using an energy-efficient dehumidifier can reduce humidity levels by 30-50% effectively.
Proper Ventilation: Ensuring that the house has adequate airflow is crucial. Open windows regularly to allow fresh air in and stale air out. Install exhaust fans in areas prone to humidity, like kitchens and bathrooms. A study by the Journal of Environmental Management (Smith, 2019) found that homes with good ventilation have lower humidity levels, leading to better air quality.
Humidity Monitors: Use hygrometers to measure indoor humidity levels. The ideal indoor humidity level is typically between 30% and 50%. Regular monitoring allows for timely adjustments. The World Health Organization (WHO, 2020) recommends maintaining these levels to prevent mold growth and maintain overall indoor air quality.
Sealing Cracks and Openings: Inspect your house for cracks in walls, windows, and doors. Seal these gaps to prevent outside humid air from entering. Products like caulk or weather stripping can be effective. According to the National Institute of Building Sciences (2021), proper sealing can significantly reduce unwanted moisture intrusion.
Insulation: Proper insulation of walls and ceilings helps control humidity. Insulated homes experience less moisture accumulation and cooler temperatures. A report by the U.S. Department of Housing and Urban Development (HUD, 2022) emphasizes the importance of insulation in maintaining consistent indoor climates.
Using Absorbent Materials: Place moisture-absorbing materials, such as silica gel packs or activated charcoal, in different rooms. These substances can effectively absorb humidity and improve air quality. In a study by the Journal of Applied Sciences (Johnson, 2021), silica gel was found to reduce indoor humidity levels significantly.
Overall, by implementing these strategies, you can maintain consistent humidity control in an unattended house effectively.
Why Is Sizing Important When Choosing a Dehumidifier for Long-Term Use?
Sizing is crucial when selecting a dehumidifier for long-term use because it directly impacts efficiency, performance, and comfort levels in your space. A correctly sized dehumidifier will remove the right amount of moisture from the air, preventing issues such as mold growth and structural damage.
The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) defines dehumidifier sizing by the number of pints of moisture it can remove from the air per day. A correctly sized unit should be capable of managing the moisture load specific to your environment.
Understanding the underlying factors contributing to the importance of sizing involves recognizing the moisture load in the area you wish to dehumidify. Factors include room size, humidity levels, ventilation, and the number of occupants. For example, a damp basement requires a stronger unit than a lightly used guest room.
Key technical terms in this context include “humidity load,” which refers to the total moisture present in the air, and “capacity,” which indicates the amount of moisture a dehumidifier can remove in a specific time. Selecting the wrong size unit can lead to over-dehumidification or under-dehumidification—both of which produce undesirable conditions.
The dehumidification process involves drawing in humid air, cooling it to condense moisture, and then reheating and circulating the drier air back into the environment. If a unit is undersized, it will continuously run without reaching desired humidity levels. Conversely, an oversized unit may cycle on and off too frequently, leading to energy inefficiency and lack of adequate moisture removal.
Specific conditions that impact sizing include geographical location, local climate, and room features such as windows and insulation. For instance, a home in a coastal area will likely require a more powerful dehumidifier compared to one in a dry, arid region. Additionally, large gatherings in spaces like basements can increase humidity due to the presence of more people, necessitating a larger unit.
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