Quest 335 High-Efficiency Overhead Dehumidifier with M-CoRR Technology 

– 345 Pints/Day, 208/230V, MERV-13 Filtration

The Quest 335 High-Efficiency Overhead Dehumidifier is engineered for large-scale commercial and industrial environments with extreme moisture demands. Capable of removing up to 345 pints of water per day, this powerful unit delivers industry-leading efficiency while minimizing heat output to reduce HVAC strain and operating costs. Powered by patented M-CoRR™ Technology, the Quest 335 uses a multi-coil refrigeration system to recycle energy for superior performance. With advanced digital controls, MERV-13 filtration, and a durable overhead-ready design, it provides reliable, long-term humidity control for mission-critical applications.

Key Features & Benefits

• 345 Pints/Day High-Capacity Performance – Designed for large grow facilities, water-intensive operations, and industrial spaces.

• Patented M-CoRR™ Technology – Multi-coil refrigeration system recycles heat to deliver exceptional efficiency with reduced heat output.

• Industry-Leading Efficiency – Achieves up to 8 pints/kWh, lowering energy consumption and long-term operating costs.

• MERV-13 Air Filtration with Filter Compensation – Captures dust, pollen, mold spores, and contaminants while maintaining consistent airflow as filters load.

• Overhead-Optimized, Heavy-Duty Design – Integrated handles and compact footprint simplify installation in space-constrained environments.

• Advanced Digital Controls – Onboard interface with optional external control compatibility for seamless system integration.

• Plug-and-Play Operation – Long power cord, auto-restart after power loss, and simple setup reduce installation time.

• Built for Reliability – Engineered and assembled in the USA and backed by a 5-year warranty.

Technical Specifications

• Capacity (80°F / 60% RH): 345 Pints/Day

• Efficiency: 8.0 Pints/kWh

• Energy Factor: 3.8 L/kWh

• Power: 1,700 W

• Voltage: 208 / 230 V

• Current Draw: 7.6 A @ 230 V | 8.4 A @ 208 V

• Airflow: 900 CFM

• Total BTU: 21,800

• Operating Temperature: 56–95°F

• Air Filter: MERV-13 (20 in x 22 in x 2 in)

• Refrigerant: R454B (58 oz)

• Drain Connection: 3/4 in Threaded NPT

• Certifications: ETL / UL / CSA

• Dimensions: 32.9 in L × 24.6 in W × 23.7 in H

• Weight: 215 lbs

Performance Overview

The Quest 335 is purpose-built for environments where humidity control directly impacts productivity, equipment protection, and product quality. Its high-capacity moisture removal and ultra-efficient operation make it ideal for continuous-duty applications. The integrated MERV-13 filtration system improves indoor air quality without sacrificing airflow, while filter compensation technology ensures stable performance over time—even in dusty or debris-prone environments.

Ideal Uses & Applications

• Hydroponics, aeroponics, aquaponics

• Greenhouses, nurseries, indoor & vertical farming

• Large commercial grow operations & CEA facilities

• Seed storage and urban agriculture

• Laboratories, research & product development facilities

• Water treatment and cold storage facilities

• Data centers, server rooms & electronics storage

• Clean rooms, mechanical rooms & industrial warehouses

About the Brand

Quest Climate is a global leader in high-efficiency dehumidification systems for agriculture, industrial, and commercial applications. Known for innovation, durability, and energy-saving performance, Quest products are engineered to deliver reliable environmental control in the most demanding conditions.

When moisture control can’t be compromised, rely on proven performance—choose the Quest 335 High-Efficiency Overhead Dehumidifier for maximum capacity, superior efficiency, and long-term reliability backed by a 5-year warranty.