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Quest 70 Overhead Dehumidifier - 26L / Day | Made in USA | Delivery Only

SKU: DHFR20101

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The Quest 70 is one of the most energy-efficient overhead type dehumidifiers on the market today. Removing 70 ppd (pints per day, 26L), the Quest 70 is a compact powerhouse! Best of all the Dual 155 can pay for itself giving you years and years of 24/7 trouble free operation.

Quest De-Humidifiers are essential for maintaining optimum humidity levels in a cultivation facility. This prevents issues with mould and disease, and allows for enhanced plant growth. Quest units are a staple in medical-grade cultivation facilities around the world. 

Like all Quest products, the Dual 70 is made in the USA using the very best components and materials available. Every one of our dehumidifiers comes with a 5 year warranty.

Quest has the most energy-efficient dehumidifiers available, using the least electricity and removing more pints of water per kWh at the widest temperature range. Quest’s innovative design also creates the lightest heat load on your HVAC, paying for itself in energy savings.


With overhead mount capability, Quest lets you maximize your grow space—and profits.


Made in Madison, WI, Quest meets or exceeds the highest standards (ETL listed/ UL certified). Plus, it’s backed by an industry-leading warranty.

Quest dehumidifiers will efficiently control humidity from germination to harvest, maintaining a growing environment that’s vital to the success of indoor and hydroponic gardening.

Protect your investment, your plants, and your profits with Quest.

Dehumidifier capacities are at the standard American rating condition of 80ºF and 60%RH.

  • 26 LITERS/DAY @ 26.7°C/60% RH
  • 2.1 AMPS
  • 30.5CM W X 30.5CM H X 53.3CM L

Important Note: Check Out The Link For Maintainace 


  • Unit: Quest 70
  • Part Number: 4033750
  • Blower: 150 CFM @ 0.0" WG
  • Power: 680 Watts @ 80°F and 60% RH
  • Supply Voltage: 110-120 VAC-1 Phase-60Hz
  • Amps: 5.1
  • Energy Factor: 2.37 L/kWh
  • Operating Range: 33°F-110°F

Minimum Performance @80°F and 60% RH:

  • Water Removal: 70 Pints/Day
  • Efficiency: 5.0 Pints/kWh
  • Air Filter: MERV-13, 12" x 12" x 1"
  • Power Cord: 8' - 115 Volt Grounded Plug
  • Drain Connection: 3/4" Threaded NPT or 5/8" Hose Barb
  • Warranty: 1 year 100% parts and labor 5 year sealed refrigerant system

Unit Dimensions:

  • Width: 21"
  • Height: 12"
  • Depth: 12"
  • Weight: 55lbs.

In The Box

  • [1] x Quest 70 Overhead Dehumidifier - 26L / Day
  • Energy Star Listed 
  • Large Capacity
  • MERV-13 Filtration
  • Low Temperature Operation
  • Low Voltage Control
  • Carbon Filtration