Monster Gardens Monster Gardens's hydroponic grow store industry providers offer the grow market’s best products at wholesale prices with customer service and FREE SHIPPING!
235 Classic Ct Suite B Rohnert Park, CA 94928, USA
Monster Gardens Phone: (707) 588-8844

(707) 588-8844   SALES & SUPPORT MON-FRI. 9:30AM-5:30PM PST  

Selection will refresh the page with new results

Quest 506 High-Efficiency Commercial Dehumidifier

In stock


Contact us at [email protected] or (707) 588-8844 for freight quote.

Quest 506 High-Efficiency Commercial Dehumidifier

Contact us at [email protected] or (707) 588-8844 for freight quote.

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.

MERV 13 Filtration

Captures dangerous airborne particles


Intake and exhaust kits are available

UL Rated And ETL Listed

The highest T7 standard

High Efficiency Performance

No dehumidifier is more efficient

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

Made in the USA

Built to last

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.

Versatile Uses and Installation

The Quest 506 is is common in large commercial environments thanks to its unique design:
  • Operates in any temperature between 56 and 95 degrees F.
  • A gravity drain hose is included for removing the excess moisture it collects. You can either drain it outside or into a reservoir.

Note: A remote humidistat is required for use. The Quest DEH 3000 R is designed to work with the Quest 506 dehumidifier.

Keeping Healthy and Comfortable Conditions

Transform an unworkable commercial environment into one that allows for ideal working and operational conditions. In addition to improving comfort, Quest dehumidifiers of this size prevent mold growth, corrosion and odors. Using a Quest overhead dehumidifier also saves floor space and keeps the drying unit out of the way.

Revolutionary & Efficient Design

The Quest 506 Overhead Dehumidifier removes an industry-leading 506 pints of moisture per day, but it’s also backed with one of the most efficient high capacity designs. In fact, this model is he company's second most efficient model available.

Quest's patent-pending coil technology, which is unique to this model, allows for higher efficiency in a smaller unit. It pulls only 11 amps and has a maximum efficiency of 8.1 pints/kWh. No high-capacity dehumidifier on the market can remove 500 pints of moisture in such a small frame.

Using less amps also means less heat comes off the unit, which is another bonus if you're using this model in growing spaces. It also features a high-efficiency impeller fan.

Easier Moisture Removal

Humidity can happen anywhere–not just next to a floor drain. Add the Quest Universal Condensate Pump move moisture horizontally and vertically. It offers the easiest moisture removal available and mounts directly to the unit, increasing flexibility in where your dehumidifier can be installed. The pump features a low profile to fit the unit's horizontal design. It is long-lasting, unobtrusive, and provides multiple options for the location of the dehumidifier.

Additional Features:

  • Long Power Cord:

    A 10-foot power cord makes it easy to install in just about any location.
  • Superior MERV 13 Filtration:

    Air exiting the dehumidifier is filtered with a MERV 13 filter, which catches tiny non-visible particles like smoke, smog, bacteria, microscopic allergens and debris.
  • 5-Year Compressor Warranty:

    Its backed with a 5-year compressor and refrigerant system warranty and 1-year parts and labor warranty.
  • Auto Restart:

    After power outages, this high capacity dehumidifier turns back on to its previous settings once power is restored.
  • Integrated Handle:

    Heavy-duty handles are integrated into the design if you need to move this dehumidifier. The threaded rod handles can attach to a 3/8-inch rod (not included) if you choose to use it as an overhead dehumidifier.
  • Low Voltage Control Option:

    Wire the remote dehumidistat using a low-voltage terminal block.
  • Reliable American Construction:

    Manufactured in Madison, WI, this Quest model meets or exceeds the highest standards or ETL/UL certifications.


More Information
SKU cc_ac_148
UPC 849969029116
Manufacturer Part Number 4036600
Distributor Part Number HGC700950, 700950