Quest 335 Dehumidifier – 277V, 345 Pints/Day High-Efficiency Moisture Control for Commercial Use
Heavy-duty 277V dehumidifier engineered for industrial grow rooms with built-in efficiency and performance advantages
The Quest 335 Dehumidifier (277V) delivers powerful humidity control tailored to commercial and industrial spaces that operate on 277V infrastructure. With a moisture removal capacity of 345 pints per day and industry-leading 8.5 pints per kilowatt-hour, it stands out as one of the most energy-efficient dehumidifiers available.
This model features M-CoRR Technology, Quest’s patented multi-coil refrigeration system that recycles heat to lower BTU output and reduce the burden on air conditioning. It also includes MERV-13 filtration, removing airborne particulates such as mold, mildew, and viruses to improve indoor air quality and reduce potential crop loss.
Achieve elite performance with the Quest 335 High-Efficiency Dehumidifier, designed for growers and commercial operations requiring dependable, large-volume humidity control.
The Quest 335 Commercial Dehumidifier is an ideal choice for grow rooms already equipped with 277V outlets, freeing up amperage for lighting, climate systems, or other key equipment.
✅ Key Features
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Removes up to 345 pints per day for large-scale moisture control
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8.5 pints/kWh efficiency = reduced energy costs
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277V operation with low 6.3A current draw — frees power for other systems
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Patented M-CoRR heat-recycling technology minimizes BTU output
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MERV-13 filtration is 20% more effective than MERV-11 filters
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Compatible with ducted or freestanding installations
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Meets California Title 24 energy standards
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Built and assembled in Madison, Wisconsin, USA
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Covered by a 5-Year Warranty
Quest 335 Commercial Dehumidifier: Built for High-Performance Grow Environments
This 277V model is the perfect choice for facilities with industrial power setups looking to maximize dehumidification while minimizing electrical load. The Quest 335 Commercial Dehumidifier offers seamless integration into grow operations using high-voltage outlets, helping growers maintain environmental consistency without overtaxing their power systems.
🌿 Ideal Applications
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Industrial indoor grow rooms and hydroponic setups
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Commercial greenhouses with 277V power access
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Cultivation facilities using high-output lighting
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Post-harvest drying or curing spaces
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Food or pharmaceutical manufacturing environments
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Title 24-compliant agricultural operations
Quest 335 High-Efficiency Dehumidifier: Air Quality and Electrical Efficiency Combined
The Quest 335 High-Efficiency Dehumidifier is designed with sustainability and performance in mind. The M-CoRR system recycles internal heat to reduce environmental load, while the MERV-13 air filter ensures you’re maintaining air purity and reducing the risk of airborne contaminants. With its compact design, the unit is easy to install and fits flexibly into overhead or ducted configurations.
Installation Options
Freestanding dehumidifier
Can be mounted overhead with use of 3/8″ Threaded Rod
P-Trap Requirements
🛠️ Maintenance Tips
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Replace the MERV-13 filter every 1–3 months depending on conditions
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Keep coils clean and drainage line clear for peak performance
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Ensure airflow is unobstructed in ducted setups
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Check for proper mounting support in suspended installs
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Pair with environmental controller (e.g., TrolMaster) for automation
🔒 Optimize Your Grow Room With the Quest 335 – Power, Efficiency, and Reliability in One
Built for serious growers and industrial operators, the Quest 335 delivers unmatched moisture removal, low heat output, and rock-solid reliability. Take full control of your grow environment while saving on energy costs—invest in the most efficient commercial dehumidifier in its class.
Specifications
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Moisture Removal: 345 Pints/Day @ 80°F, 60% RH
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Energy Efficiency: 8.5 Pints/kWh
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Voltage: 277V, 60 Hz
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Amperage: 6.3 Amps
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Wattage: 1,150 Watts
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BTU Output: 14,155 BTU/hr
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Dimensions (Unboxed): 26.8" L x 23.6" W x 20.9" H
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Shipping Dimensions: 36.0" L x 28.0" W x 30.0" H
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Weight (Unit): 130 lbs
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Shipping Weight: 240 lbs
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Filtration: MERV-13
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Certifications: ETL Listed, Title 24 Compliant
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UPC: 810017961597
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Product Code: 4046210
User Manual
FAQ
Q: What’s the difference between the 208/230V and 277V models?
A: The 277V version draws less amperage (6.3A), making it more efficient in facilities that already use 277V circuits—common for commercial lighting setups.
Q: What is M-CoRR technology and why does it matter?
A: M-CoRR is a patented multi-coil refrigeration system that recycles heat for greater energy efficiency and reduced room heat output.
Q: Can this unit be ducted?
A: Yes, it supports both ducted and freestanding installations and meets Title 24 requirements for either setup.
Q: What kind of filtration does it use?
A: It uses a MERV-13 filter, which captures mold, mildew, viruses, and other particulates without affecting airflow performance.
Q: Where is the Quest 335 manufactured?
A: It is engineered and assembled in Madison, Wisconsin, ensuring top-tier build quality.
Q: What warranty does the unit include?
A: It comes with a 5-year warranty on the compressor and coils, and 1 year on parts and labor.
Videos
Warranty
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5 Years – Compressor & Coils
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1 Year – Parts & Labor
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Covered by Quest’s U.S.-based support team for peace of mind