Quest 506 High-Efficiency Overhead Dehumidifier with M-CoRR Technology

 – 500 Pints/Day, 277V, MERV-13 Filtration

The Quest 506 High-Efficiency Overhead Dehumidifier (277V) is engineered for facilities that demand extreme moisture removal with maximum electrical efficiency. Delivering an impressive 500 pints of moisture removal per day, this commercial-grade unit leverages patented M-CoRR™ Technology to recycle excess heat, achieving industry-leading efficiency while minimizing BTU output into the space. Designed specifically for 277V infrastructure, the Quest 506 eliminates the need for buck-boost transformers and reduces amp draw, freeing electrical capacity for other critical equipment. With flexible installation options, advanced air filtration, and durable construction, it’s a powerful solution for large-scale humidity control.

Key Features & Benefits

• 500 Pints/Day High-Capacity Performance – One of the most powerful commercial dehumidifiers available for large, high-moisture environments.

• Patented M-CoRR™ Technology – Recycles excess heat to deliver exceptional efficiency while reducing heat load and HVAC demand.

• Optimized for 277V Electrical Systems – Low amp draw supports commercial and industrial facilities without additional transformers.

• Industry-Leading Energy Efficiency – Achieves up to 9.2 pints/kWh, significantly lowering long-term operating costs.

• MERV-13 Air Filtration – Removes dust, pollen, mold spores, bacteria, and select airborne pathogens to improve indoor air quality.

• Flexible Installation Options – Supports overhead mounting or ground placement for adaptable system design.

• Commercial-Grade Reliability – ETL/UL/CSA certified, California Title 24 compliant, and backed by a 5-year warranty.

• Made in the USA – Engineered and assembled in Madison, Wisconsin for consistent quality and durability.

Technical Specifications

• Capacity (80°F / 60% RH): 500 Pints/Day

• Efficiency: 9.2 Pints/kWh

• Energy Factor: 4.4 L/kWh

• Power: 2,250 W

• Voltage: 277 V

• Current Draw: 8.2 Amps

• Airflow: 1,150 CFM

• Total BTU: 30,500

• Operating Temperature: 56–95°F

• Air Filter: MERV-13 (18 in x 20 in x 2 in)

• Refrigerant: R454B (62 oz)

• Drain Connection: 3/4 in Threaded NPT

• Power Cord: NEMA L7-20P

• Certifications: ETL / UL / CSA

• Dimensions: 28.9 in L × 27 in W × 44.8 in H

Performance Overview

The Quest 506 277V is purpose-built for continuous-duty environments where humidity control directly impacts productivity, crop health, and equipment longevity. Its high-capacity refrigeration system removes extreme moisture loads efficiently while minimizing heat rejection into the space. Combined with MERV-13 filtration, the unit not only controls humidity but also improves air quality, creating healthier, more stable conditions across large commercial and industrial facilities.

Ideal Uses & Applications

• Large-scale indoor farming & CEA facilities

• Commercial greenhouses & nurseries

• Hydroponics, aeroponics, aquaponics

• Seed storage & urban agriculture hubs

• Warehouses & distribution centers

• Laboratories & research facilities

• Cold storage & mechanical rooms

• Industrial spaces & military warehouses

About the Brand

Quest Climate is a leader in high-efficiency dehumidification solutions for agricultural, commercial, and industrial applications. Known for advanced engineering, durable construction, and long-term energy savings, Quest products are trusted worldwide in mission-critical environments.

When electrical efficiency, massive capacity, and long-term reliability are essential, the Quest 506 High-Efficiency Overhead Dehumidifier (277V) delivers unmatched performance—engineered for scale, built to last, and backed by a 5-year warranty.