







DryPrime 50 Highlights
Max Capacity
Room Size
Tank Volume
Noise Level
Gasbye DryPrime 50 Dehumidifier for Up to 4500 Sq. Ft.
Powerful Moisture Removal - Up to 115 Pints/Day, No Inflated Claims
Ultra-Quiet Comfort – Runs at only 44 dB, quieter than a normal conversation
3 Drain Options - Choose tank, hose, or adapter for hassle-free use
ENERGY STAR® Most Efficient 2024 Certified
DryPrime 50 Highlights
Max Capacity
Room Size
Tank Volume
Noise Level
Popular upgrades
1 sustainability feature
This product has sustainability features recognized by trusted certifications.
Discover more products with sustainability features. Learn more
Description
- [43-Pound Solid Build with 5 Rows of Copper Tubing] The Gasbye DryPrime dehumidifier pulls up to 115 pints/day at 86°F, 80% RH, 73 pints/day at 80°F, 60% RH, and 50 pints/day at 65°F, 60% RH. Since we don’t inflate the pints/day performance figures, what you see is what you get. Dimensions: 11" D × 15" W × 24" H, which may be larger compared to some other "mini" models with inflated pints/day ratings
- [Most Efficient 2025 Energy Star] The DryPrime dehumidifier isn't just powerful—it's "Most Efficient 2025" certified. Perfect for large spaces like basements, garages, and living rooms, all while keeping energy costs low. Energy Star Unique ID: 3417537. Note: The "Most Efficient 2023" standard has expired, and many dehumidifiers can't meet the 2025 requirements. The reason? They simply don't use enough copper inside
- [45dB Queit Compressor] The DryPrime dehumidifier operates at around 45dB and is relatively quiet, making it ideal for medium to large spaces like basements, garages, and living rooms. In these areas, it won’t disturb you while chatting with family, watching TV, or relaxing on the sofa
- [Triple Draining Flexibility] Choose from a spacious 1.7Gal tank for manual drainage, an included 5-foot hose for direct connection to floor drains, or an included garden hose adapter for extended disposal with your garden hose
- [Auto-restart] The dehumidifier automatically resumes its previous settings after a power outage
- [𝟮-𝗬𝗲𝗮𝗿 𝗤𝘂𝗮𝗹𝗶𝘁𝘆 𝗖𝗼𝘃𝗲𝗿𝗮𝗴𝗲] If you purchased our dehumidifier based on a statement in our listing and feel it doesn't meet your expectations after use, you can directly contact Gasbye Support for a 𝗙𝗨𝗟𝗟 𝗥𝗘𝗙𝗨𝗡𝗗 or 𝗙𝗥𝗘𝗘 𝗥𝗘𝗣𝗟𝗔𝗖𝗘𝗠𝗘𝗡𝗧. In addition, all replacement units we provide are 𝗕𝗥𝗔𝗡𝗗 𝗡𝗘𝗪, not refurbished. You can trust Gasbye—we stand behind our products with confidence.
Pairs well with

Gasbye DryPrime 50 Dehumidifier for Up to 4500 Sq. Ft.
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Shipping Information
Orders are typically processed within 1–2 business days and delivered within 3–7 business days.
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Customer Support
We're always happy to help — feel free to reach out with any questions.
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Warranty
Every product includes a 1-year warranty — register yours to get 1 extra year of protection.
How can I efficiently keep a large basement (up to 4,500 sq. ft.) dry and comfortable?
The key is using a dehumidifier that truly works for large spaces. Our DryPrime 50 dehumidifier can remove up to 115 pints of moisture per day, effectively keeping walls, floors, and stored items dry.
It’s quiet enough to run in the background while you use the space, energy-efficient for long-term use, and offers flexible drainage options so you don’t have to empty the tank constantly. Even if the power goes out, it remembers your settings and resumes automatically.


Gasbye 4500 Sq. Ft. Dehumidifier - WTI's Point Of View
From WTI on YouTube

Smart Humidity Control
If your target is 50% RH, the compressor stops when the internal sensor reads 47% RH. The fan (only using tens of watts) runs briefly to make use of leftover coil cooling—boosting efficiency and reducing waste.
Once humidity rises to 53% RH, the compressor restarts automatically. In the event of a power outage, the unit will resume its previous settings as soon as power is restored.
Auto Shut-Off & Restart

Triple Drainage Options
- Empty the water from the water tank.
- Connect to the provided5-foot Drain Hose(included).
- Extend with 3/4-inch Male Garden Hose Adapter(included).
Tank, Hose, or Garden Adapter
Easy to move, easy to clean, easy to enjoy
Our DryPrime 50 dehumidifier removes up to 115 pints/day at 86°F, 80% RH; 73 pints/day at 80°F, 60% RH; and 50 pints/day at 65°F, 60% RH.
We don’t inflate these performance figures—what you see is what you get.
*Dimensions: 11" D × 15" W × 24" H. This unit may be larger than some “mini” models that overstate their pints/day ratings.
One dehumidifier, dry every corner
From living room to basement, DryPrime 50 keeps your spaces dry, quiet, energy-efficient, and hassle-free.
Tech specs
Performance
Features
General
Warranty
User Manual
Click to View Online: DryPrime 50
Included in the Box
DryPrime-50-B * 1
User Manual * 1
3/4-inch Male Garden Hose Adapter * 1
5-foot 1/2-inch Drain Hose * 1
16.4-foot Drain Hose * 1(Extra Gift, Not Included in Packge)
Model. Which is best for you?
–115 Pints/day at 86°F, 80% RH
–73 Pints/day at 80°F, 60% RH
–50 pints/day at 65°F, 60% RH
–75 Pints/day at 86°F, 80% RH
–50 Pints/day at 80°F, 60% RH
–36.5 pints/day at 65°F, 60% RH
–75 Pints/day at 86°F, 80% RH
–50 Pints/day at 80°F, 60% RH
–36.5 pints/day at 65°F, 60% RH
4,500 sq. ft.
4,500 sq. ft.
4,500 sq. ft.
1.72 Gallons
1.45 Gallons
1.45 Gallons
Yes,replaceable
44 dB
44 dB
44 dB
– Manual Drainage
– Continuous Gravity Drainage
– Portable Continuous Drainage
– Manual Drainage
– Continuous Gravity Drainage
– Pump Continuous Drainage
– Manual Drainage
– Continuous Gravity Drainage
– Portable Continuous Drainage
FAQs - Pick your dehumidifier
For product issues, please visit our Troubleshooting page.
How can I compare the true dehumidifying capacity of different dehumidifiers?
Check the weight! Why? A dehumidifier's performance largely depends on the amount of copper inside. More copper means better dehumidifying power and energy efficiency. So, how can a lightweight unit claim such high capacity?The trick is that dehumidifying capacity varies with temperature and humidity—the higher these are, the more effective the unit appears. For example, the Gasbye DryPrime-50 model, weighing 43 pounds, pulls up to 115 pints/day at 86°F, 80% RH, 73 pints/day at 80°F, 60% RH, and 50 pints/day at 65°F, 60% RH. Some dehumidifiers claim 52 pints/day at 86°F, 80% RH but weigh just 34.6 pounds. Others even claim 100 pints/day at an extreme 95°F, 90% RH yet weigh only 30.9 pounds. You'll find that these lightweight models highlight their performance in high-temperature, high-humidity conditions to show inflated numbers. If you compare the dehumidifying capacity under the same temperature and humidity conditions, I’m confident you’ll see that Gasbye dehumidifiers offer great value for the price. We don’t mislead customers by labeling a mini-sized unit as a 100 pint/day dehumidifier (measured at 95°F, 90% RH) and then charging you over $200 for it.
Does the warm air from a dehumidifier increase AC costs in summer? Why do some dehumidifiers emit more warm air than others?
Dehumidifiers work similarly to air conditioners, which also emit warm air during operation. Although this warm air slightly increases the AC's cooling energy use, it reduces the AC's dehumidification burden. By letting your air conditioner (2000-3000 watts) focus on cooling rather than dehumidifying, running a dehumidifier (500 watts) will typically lower your overall energy bill. Stronger dehumidifiers emit more warm air, while weaker ones emit less. We’ve observed that some consumers are pleased when their new dehumidifier emits less warm air than their old one. However, this often simply means that the new unit has a lower dehumidifying capacity. As mentioned above, the amount of warm air emitted by the dehumidifier does not increase your electricity bill. In fact, it can actually reduce it (counterintuitive but true—you can search for more information if interested.)
What's the difference between 300-500 watt compressor dehumidifiers and 60-100 watt semiconductor-based dehumidifiers? Which is more energy-efficient?
In terms of cooling technology, compressor dehumidifiers are 5-6 times more efficient than semiconductor-based ones. Although a semiconductor-based dehumidifier consumes only 60-100 watts and seems more energy-efficient, you would need a bunch of them to effectively dehumidify a space larger than 300 sq ft. In contrast, a single 300-500 watt compressor dehumidifier can quickly reduce the humidity in a large room.
What environments are compressor-based dehumidifiers suitable for?
The Gasbye DryPrime-50 is a compressor-based dehumidifier with an internal compressor that causes vibrations and noise. It operates at around 45dB and is relatively quiet, making it ideal for medium to large spaces like basements, garages, and spacious living rooms. In these areas, it won’t disturb you while working or watching TV. However, it’s not recommended for use in small spaces like bedrooms.
Is ENERGY STAR the same as ENERGY STAR Most Efficient? Are ENERGY STAR Most Efficient 2023 and ENERGY STAR Most Efficient 2024 the same?
The US EPA has set two certification standards for dehumidifier energy efficiency. The ENERGY STAR certification indicates good energy efficiency, while the ENERGY STAR Most Efficient certification recognizes the top-performing products in energy efficiency. In 2024, the US EPA raised the most efficiency standards. Gasbye is the fastest brand to meet this new standard. This is because big brands often have large inventories of older models that need to be sold before introducing new standards, which can take 3-4 years.