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White Quest industrial dehumidifier with M-CORR technology logo.
Quest 506 industrial dehumidifier, white with green handles, side mesh ventilation, and label.
White Quest industrial dehumidifier with M-CORR technology logo.
Quest 506 industrial dehumidifier, white with green handles, side mesh ventilation, and label.

Quest 506 277V High Capacity Dehumidifier

Official Quest Dealer Model: 4046310
$8,829.95 USD$8,499.00 USD$8,829.95 USD
 $8,829.95 USD
starting from 0% interest financing from /mo.

Payment Options

Options:Pay in Four, Pay Monthly
Amount:Up to $1,500 (Pay in 4)
Up to $10,000 (Monthly)
Schedule:Bi-weekly to Monthly
Term:6 weeks, 12 or 24 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Schedule:Bi-weekly to Monthly
Term:6 weeks, 6 or 12 months
Interest:0% to 35.99% APR*
Credit Check?Soft Check Only
Finance up to:$4,000
Must apply on a desktop device.
Schedule:Flexible
Term:Up to 36 months
Interest:Processing fee + interest
Lease-to-Own?Yes
Amount:$500 to $10,000
Looking to finance equipment under your corporation? Learn more about Business Financing
  • Removes 500 pints of moisture per day at 9.2 pints per kilowatt-hour
  • Patented M-CoRR technology recycles heat to reduce total facility cooling load
  • Operates on 277V at 8.2 amps with a wide temperature range of 56F to 95F
  • 5-year limited warranty
  • View More Details
Order today, ships between June 18 - July 2, 2026

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REBATE PROGRAM

Commercial Rebate Program

Licensed operations may qualify for up to a 60% rebate on qualifying equipment.

Rebate & Commercial Inquiry

Contact Information
THROUGH THE Cultivator's LENS Hands-On Evaluation

Who This Is For

  • You are wiring for a 277V circuit because you want to skip the cost and heat of bulky buck-boost transformers.
  • You are maximizing your room capacity because you only have limited amps left on your panel for humidity control.

What We Found

  • The 8.2 amp draw is the lowest we have seen for a 500 pint unit, which makes it much easier to balance your panel
  • We suggest using the overhead mounts for this model to keep floor space clear in high traffic commercial zones

What Users Say

  • Operators using these in large rooms say they stopped seeing humidity spikes when the outdoor temperature drops
  • Facility managers report lower electrical bills because these units pull less than half the power of older models

Quest 506 277V High Capacity Dehumidifier | M-CoRR™ High-Efficiency Climate Control

The Quest 506 277V removes 500 pints of moisture per day while maintaining a market-leading efficiency of 9.2 Pints/kWh. Designed for large-scale agricultural facilities, this industrial dehumidifier utilizes M-CoRR technology to recycle waste heat and reduce the total cooling load on your HVAC system. It meets stringent California Title 24 energy requirements, ensuring compliance in regulated commercial environments.

Quest 506 277V High Capacity Dehumidifier hero view
500Pints/DayWater removal capacity
9.2Pints/kWhEnergy efficiency
8.2AmpsCurrent draw
1,150CFMTotal airflow

In Detail

Quest 506 277V exhaust and installation detail

The Quest 506 is engineered for overhead installation in high-density cultivation environments where floor space is at a premium. By utilizing R-454B refrigerant, this unit reduces environmental impact while maintaining thermal stability during peak transpiration periods. The integrated handles and dedicated hanging points simplify the mounting process, allowing for a streamlined setup without the need for additional feet or bulky mounting brackets.

  • M-CoRR technology recycles excess heat to maximize moisture removal per kilowatt.
  • Onboard digital controls provide self-diagnostics and proactive filter change notifications.
  • Dark mode functionality eliminates light pollution to protect sensitive plant photoperiods.
  • MERV 13 filtration captures fine particulates to maintain air quality and equipment longevity.
  • The 277V configuration allows for direct connection to commercial power legs, reducing breaker requirements.

Features

M-CoRR Technology

This multi-coil refrigeration system recycles energy to provide higher efficiency than standard single-coil units.

Dark Mode Control

Limits light pollution by disabling onboard LEDs, preventing disruption of plant sleep cycles in sealed rooms.

MERV 13 Filtration

High-efficiency pleated filters remove mold spores and pollen to ensure a clean cultivation environment.

Industry Lowest Amp Draw

Draws only 8.2 Amps at 277V, freeing up breaker capacity for lighting and other critical facility equipment.

Compare the Quest Line

Capacity
Efficiency
Voltage
Best For
Quest 100Quest 100
100 PPD
7.5 Pints/kWh
110-120V
Small grow rooms or drying tents.
Hi-E Dry 140Hi-E Dry 140
135 PPD
7.2 Pints/kWh
110–120 VAC, 1 Phase, 60 Hz
Portable moisture control in logistics.
Quest 155Quest 155
155 PPD
8.5 Pints/kWh
110-120 VAC, 1 Phase, 60 Hz
Mid-sized residential or boutique grows.
Hi-E Dry 195Hi-E Dry 195
195 PPD
6.1 Pints/kWh
110–120 VAC, 1 Phase, 60 Hz
Portable high-capacity industrial use.
Quest 225Quest 225
225 Pints/Day
7.6 Pints/kWh
208-230V
Standard commercial 240V facilities.
Quest 335 230VQuest 335 230V
345 PPD
8.2 Pints/kWh
208–230 VAC, 1 Phase, 60 Hz
High-efficiency 240V commercial grows.
Quest 335 277VQuest 335 277V
345 Pints/Day @ 80 F | 60% RH
8.2 Pints/kWh @ 80 F | 60% RH
277V
Commercial 277V lighting circuits.
Quest 506 230VQuest 506 230V
500 PPD
9.2 Pints/kWh
208V-230V
Large scale 240V operations.
Quest 506 277VQuest 506 277VYou're viewing
500 PPD
9.2 Pints/kWh
277V
Maximum efficiency for 277V facilities.
Quest 746Quest 746
746 PPD
7.3 Pints/kWh
480V
Industrial 480V 3-phase facilities.

Technical Specifications

PERFORMANCE
Water Removal @ 80 F | 60% RH500 Pints/Day
Efficiency @ 80 F | 60% RH9.2 Pints/kWh
Energy Factor @ 80 F | 60% RH4.4 Liters/kWh
BTU (Total)30,500
CFM1,150 @ 0.0″ WG
ELECTRICAL
Supply Voltage277V
Current Draw @ 80 F | 60% RH8.2 Amps
Power2,250 Watts
Power CordNEMA L7-20P
PHYSICAL & FILTRATION
Operating Temperature56 F Min–95 F Max
Air Filter MERV RatingMERV 13
Air Filter Dimensions18″ x 20″ x 2″
Refrigerant TypeR454B
Drain Port Connection3/4″ Threaded NPT
Dimension6.75

Warranty

The Quest 506 includes a 5 Year Limited warranty covering defects in materials and workmanship. This duration ensures long-term reliability for commercial infrastructure investments. Trimleaf is an authorized Quest retailer; this unit ships with the full manufacturer warranty, valid for the original purchaser.

Owner's Manual

Product Manual

Frequently Asked Questions

Can I run the Quest 506 277V on a standard 240V residential circuit?

No, this unit requires a 277V supply voltage typically found in commercial 480V three-phase electrical systems. Attempting to run it on 240V will result in equipment failure or insufficient power for the compressor.

How does the R-454B refrigerant compare to R-410A?

R-454B is an A2L mildly flammable refrigerant with a significantly lower Global Warming Potential (GWP) than R-410A. It is the new industry standard for meeting environmental regulations while maintaining high thermal efficiency.

Does the dark mode completely disable all light sources?

Yes, dark mode is specifically designed to turn off the onboard digital display and status LEDs. This ensures no light pollution disrupts the dark cycle in sensitive cultivation environments.

Is this unit compliant with California Title 24 energy standards?

Yes, the 9.2 Pints/kWh efficiency rating exceeds the minimum requirements for California Title 24. This makes it a preferred choice for facilities undergoing strict energy audits or seeking efficiency rebates.

How often do the MERV 13 filters need to be replaced?

Filter life depends on the particulate load of your facility, but the onboard digital controls will provide a notification when a change is required. Standard practice in commercial grows is to inspect filters every 3 to 6 months.

Does the unit include a condensate pump for drainage?

The Quest 506 features a 3/4 inch threaded NPT drain port for gravity drainage. If your facility requires vertical moisture removal, an external condensate pump must be installed separately.

Happy To Help

Questions About This Product?

Our specialists are happy to help. Call us or send a message and we'll get back to you within one business day (most of the time within a few hours.)

Call (360) 800-5535

Why Trimleaf

Equipping home growers, craft producers, and commercial operations across North America since 2016.

10+
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Over 1,900 Verified Reviews
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