Cut energy use and control humidity precisely with a dehumidifier engineered for high-volume grow operations.

The Quest 506 Grow Dehumidifier is built for large-scale cultivation, hydroponics, and controlled agricultural facilities, delivering 500 pints per day of moisture removal at an industry-leading 9.2 pints per kilowatt hour (at 80°F, 60% RH).

Designed for 277V or 208/230V power compatibility, this model allows direct installation into existing electrical setups without needing costly buck-boost transformers or rewiring. Its low amp draw frees up electricity for lighting, ventilation, and automation systems, making it the smartest choice for energy-conscious operations.

With patented M-CoRR™ Technology, onboard digital controls, and a streamlined, space-saving design, the Quest 506 is built to maximize efficiency, reduce excess heat, and maintain precise humidity control—no compromises, no wasted power.

Features

• Overhead or ground placement – Built to fit what works for your space.
• Widest operating range – Of temperature and relative humidity.
• UL rated and ETL listed – The highest safety standard.
• Integrated handles & hanging points – For easier movement and installation.
• Long power cord – For extended reach.
• MERV 13 filtration – Superior filtration removes more harmful contaminants from the air, such as dust, pollen, and mold, as well as bacteria and some viruses.
• Environmentally-conscious refrigerant – Reducing greenhouse gas emissions, R454B boasts a 78% lower GWP.
• Industry’s lowest amp draw – More efficient units have less heat output and free up electricity for other equipment.

What's Included?

• Quest 506 Dehumidifier

Download Resources

• Product Manual
• Spec Sheet