Photo of 506



High-Capacity Series

With patented coil technology - unlike anything else on the market.

Water Removal

506 Pints/Day

63.2/239.4 Gallons/Liters

Supply Voltage

230V, 60 Hz

11 Amps

Powerful and efficient, the Quest 506 is the industry’s first 500-pint dehumidifier and is perfect for agricultural applications as well as tough commercial spaces. Its 506 pint capacity makes it one of the most powerful commercial dehumidifiers on the market.

Commonly used in indoor growing facilities, greenhouses, warehouses and other large industrial areas, the 506 dehumidifier is available for a variety of uses and installations. This Quest dehumidifier is proudly made in America, can be hung or placed on the floor, and offers an impressive MERV 13 filtration system.


  • Agriculture
  • Distribution & Logistics
  • Energy & Utilities
  • Food & Beverage
  • Industrial & Manufacturing
  • Inside Self-Storage
  • Natural Supplements
  • Science & Technology
  • Sports & Recreation

MERV 13 Filtration

Captures dangerous airborne particles


Intake and exhaust kits are available

UL Rated and ETL Listed

The highest T7 standard

High Effiency Performace

No dehumidifier is more efficient

Made in the USA

Built to last

Integrated Handles

For easy movement

Patent Pending Coil Technology

Unlike anything else on the market

Overhead or Ground Placement

Built to fit what works for your space


5 Year


Starting at $7,213.95

Product Specifications

Part Number
Power (Watts)
2700 @ 80°F and 60% RH
Supply voltage
220-240 VAC - 1 Phase - 60 Hz.
Current Draw (Amps)
Water Removal (Pints/Day)
Efficiency (Pints/kWh)
Air Filter
Unit Dimensions
28.9”W X 33.8”H X 44.7”L (73.4CM X 85.9CM X 113.5CM)
Unit Weight
280 lbs