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

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

The Quest 506 High-Efficiency Overhead Dehumidifier is engineered for extreme moisture loads in large-scale agricultural, commercial, and industrial environments. With an exceptional capacity of up to 500 pints per day, it ranks among the most powerful commercial dehumidifiers available. Built with patented M-CoRR™ Technology, the Quest 506 recycles excess heat to achieve industry-leading efficiency while minimizing heat output to reduce HVAC demand. Designed for overhead or ground installation, this heavy-duty unit combines massive performance, advanced filtration, and long-term reliability to maintain optimal environmental conditions in mission-critical spaces.

Key Features & Benefits

• Massive 500 Pints/Day Capacity – Designed for high-moisture environments such as large grow facilities, greenhouses, and warehouses.

• Patented M-CoRR™ Technology – Recycles heat during dehumidification to maximize efficiency and minimize excess heat output.

• Industry-Leading Energy Efficiency – Delivers up to 9.2 pints/kWh, significantly reducing operating costs at scale.

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

• Flexible Installation Options – Supports overhead mounting or ground placement for adaptable facility integration.

• Optimized for 208/230V Power – Low amp draw delivers high output without overloading electrical infrastructure.

• 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: 208 / 230 V

• Current Draw: 9.88 A @ 230 V | 10.92 A @ 208 V

• 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 6-20P

• Certifications: ETL / UL / CSA

• Dimensions: 28.9 in L × 34.1 in W × 44.8 in H

Performance Overview

The Quest 506 is purpose-built for continuous-duty operation where humidity control directly impacts crop yields, equipment longevity, and operational efficiency. Its high-capacity refrigeration system removes extreme moisture loads while maintaining stable temperatures and reduced HVAC demand. Combined with MERV-13 filtration, the Quest 506 not only controls humidity but also improves indoor air quality, protecting plants, products, and personnel in large, demanding 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 global leader in high-efficiency dehumidification systems 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 maximum moisture removal and energy efficiency are non-negotiable, the Quest 506 High-Efficiency Overhead Dehumidifier delivers unmatched performance—engineered for scale, built to last, and backed by a 5-year warranty.