Dehumidifiers

Condensation on glass creates a blurred view, with droplets forming streaks and a soft, diffused background.

Filter to your specific needs.

Capacity
Supply Voltage

Quest 700 50hz High Capacity Series

Model #4046320-XX

  • Capacity 332 Liters/Day
  • Efficiency 3.9 Liters/kWh
  • Supply Voltage 400V - 3 Phase
  • Current Draw 5.8 Amps
Details
White air filtration unit with green accents and visible mesh filters, featuring the "QUEST" logo on the side.

Quest 375 50Hz International Dehumidifier Series

Model #4046200-XX

  • Capacity 170 Liters/Day
  • Efficiency 3.6 Liters/kWh
  • Supply Voltage 230V, 50 Hz
  • Current Draw 9.3 Amps
Details
Quest 335 Image

Quest 200 50Hz International Dehumidifier Series

Model #4046100-NC

  • Capacity 90 Liters/Day
  • Efficiency 3.9 Liters/kWh
  • Supply Voltage 230V, 50 Hz
  • Current Draw 4.2 Amps
Details
White air purification unit with a textured filter, featuring a control panel and the "QUEST" logo prominently displayed.

Quest 100 50Hz International Dehumidifier Series

Model #4046590-XX

  • Capacity 44 Liters/Day
  • Efficiency 3.2 Liters/kWh
  • Supply Voltage 230V, 50 Hz
  • Current Draw 2.5 Amps
Details
Quest 100 dehumidifier showing MERV-13 air filter with black corrosion-resistant base and digital control panel
Discontinued

Quest 876 High Capacity Dehumidifer Series

Model #4037600

  • Capacity 876 Pints/Day
  • Efficiency 6.6 Pints/kWh
  • Supply Voltage 220-240V
  • Current Draw 24.7 Amps
Details
Quest Rhinelander
Discontinued

Quest 746 480V High Capacity Dehumidifier Series

Model #4037610

  • Capacity 746 Pints/Day
  • Efficiency 7.3 Pints/kWh
  • Supply Voltage 480V - 3 Phase
  • Current Draw 6.5 Amps
Details
Quest Rhinelander

Quest 746 480V High Capacity Series

Model #4046320

  • Capacity 730 Pints/Day
  • Efficiency 8.3 Pints/kWh
  • Supply Voltage 480V - 3 Phase
  • Current Draw 4.9 Amps
Details
White air filtration unit with green accents and visible mesh filters, featuring the "QUEST" logo on the side.
Discontinued

Quest 506 277V High Capacity Dehumidifier Series

Model #4036610

  • Capacity 506 Pints/Day
  • Efficiency 8.1 Pints/kWh
  • Supply Voltage 277V
  • Current Draw 10 Amps
Details
Photo of Quest 506 dehumidifier featuring a hexagon designed grill and green lift and hang points.
Discontinued

Quest 506 High Capacity Dehumidifier Series

Model #4036600

  • Capacity 506 Pints/Day
  • Efficiency 8.1 Pints/kWh
  • Supply Voltage 220-240V
  • Current Draw 11 Amps
Details
Photo of Quest 506 dehumidifier featuring a hexagon designed grill and green lift and hang points.

Quest 506 208/230V High Capacity Dehumidifier Series

Model #4046300

  • Capacity 500 Pints/Day
  • Efficiency 9.2 Pints/kWh
  • Supply Voltage 208-230V
  • Current Draw 9.9 Amps (230V) | 10.9 Amps (208V)
Details
White air filtration unit with a prominent "QUEST" logo and green handles, featuring two mesh filter panels.

Quest 506 277V High Capacity Dehumidifier Series

Model #4046310

  • Capacity 500 Pints/Day
  • Efficiency 9.2 Pints/kWh
  • Supply Voltage 277V
  • Current Draw 8.2 Amps
Details
White air filtration unit with a prominent "QUEST" logo and green handles, featuring two mesh filter panels.
Discontinued

Quest 335 277V High Efficiency Dehumidifier Series

Model #4042600

  • Capacity 350 Pints/Day
  • Efficiency 8.5 Pints/kWh
  • Supply Voltage 277V
  • Current Draw 6.8 Amps
Details
Quest 335 Image
Discontinued

Quest 335 208/230V High-Efficiency Dehumidifier Series

Model #4042500

  • Capacity 350 Pints/Day
  • Efficiency 9.3 Pints/kWh
  • Supply Voltage 208-230V
  • Current Draw 7.9A @208V / 6.9A @230V
Details
Quest 335 Image

Quest 335 277V High Efficiency Dehumidifier Series

Model #4046210

  • Capacity 345 Pints/Day
  • Efficiency 8.2 Pints/kWh
  • Supply Voltage 277V
  • Current Draw 6.3 Amps
Details
Quest 335 Image

Quest 335 208/230V High-Efficiency Dehumidifier Series

Model #4046200

  • Capacity 345 Pints/Day
  • Efficiency 8.2 Pints/kWh
  • Supply Voltage 208-230V
  • Current Draw 8.4A @208V / 7.6A @230V
Details
Quest 335 Image
Discontinued

Quest 706 50Hz International Dehumidifier Series

Model #4041800

  • Capacity 335 Liters/Day
  • Efficiency 3.4 Liters/kWh
  • Supply Voltage 230V, 50 Hz
  • Current Draw 18.6 Amps
Details
Quest Rhinelander

Quest 225 208/230V High Efficiency Dehumidifier Series

Model #4046100

  • Capacity 225 Pints/Day
  • Efficiency 7.6 Pints/kWh
  • Supply Voltage 208-230V, 60 Hz
  • Current Draw 6.1 @208V / 5.5 @230V
Details
White air purification unit with a textured filter, featuring a control panel and the "QUEST" logo prominently displayed.
Discontinued

Quest 225 208/230V High Efficiency Dehumidifier Series

Model #4042800

  • Capacity 225 Pints/Day
  • Efficiency 8.2 Pints/kWh
  • Supply Voltage 208-230V, 60 Hz
  • Current Draw 5.3 Amps
Details
New, sleek, Quest 225 dehumidifier with green handles, black logo, and digital control panel
Discontinued

Quest Dual 225 High Efficiency Dehumidifier Series

Model #4035400

  • Capacity 225 Pints/Day
  • Efficiency 6.1 Pints/kWh
  • Supply Voltage 220-240V
  • Current Draw 6.9 Amps
Details
quest-dual-165-dehumidifier
Discontinued

Quest Dual 205 Overhead Dehumidifier Series

Model #4033060

  • Capacity 205 Pints/Day
  • Efficiency 5.7 Pints/kWh
  • Supply Voltage 110-120V
  • Current Draw 13.2 Amps
Details
quest-dual-165-dehumidifier

Quest 205 High Efficiency Dehumidifier Series

Model #4046110

  • Capacity 200 Pints/Day
  • Efficiency 7.7 Pints/kWh
  • Supply Voltage 110-120V
  • Current Draw 10.0 Amps
Details
White air purification unit with a textured filter, featuring a control panel and the "QUEST" logo prominently displayed.

Quest Hi-E Dry 195 Portable Dehumidifier Series

Model #4046400

  • Capacity 195 Pints/Day
  • Efficiency 6.1 Pints/kWh
  • Supply Voltage 115V
  • Current Draw 12 Amps
Details
Quest Hi-E Dry 195
Discontinued

Quest Hi-E Dry 195 Portable Dehumidifier Series

Model #4036710

  • Capacity 195 Pints/Day
  • Efficiency 5.4 Pints/kWh
  • Supply Voltage 115V
  • Current Draw 13 Amps
Details
Quest Hi-E Dry 195
Discontinued

Quest CDG 174 Portable Dehumidifier Series

Model #4031170

  • Capacity 176 Pints/Day
  • Efficiency 7.7 Pints/kWh
  • Supply Voltage 110–120V
  • Current Draw 10 Amps
Details
quest CDG 174 dehumidifier
Discontinued

Quest Dual 165 Overhead Dehumidifier Series

Model #4037410

  • Capacity 165 Pints/Day
  • Efficiency 7.8 Pints/kWh
  • Supply Voltage 220-240V
  • Current Draw 3.6 Amps
Details
quest-dual-165-dehumidifier
Discontinued

Quest Dual 155 Overhead Dehumidifier Series

Model #4031490

  • Capacity 155 Pints/Day
  • Efficiency 7.3 Pints/kWh
  • Supply Voltage 110-120V
  • Current Draw 8 Amps
Details
quest-dual-105-dehumidifier
Discontinued

Quest Dual 150 Overhead Dehumidifier Series

Model #4034230

  • Capacity 150 Pints/Day
  • Efficiency 4.8 Pints/kWh
  • Supply Voltage 110-120V
  • Current Draw 11 Amps
Details
quest-dual-150-dehumidifier

Quest 155 High Efficiency Dehumidifier Series

Model #4046120

  • Capacity 145 Pints/Day
  • Efficiency 8.3 Pints/kWh
  • Supply Voltage 110-120V
  • Current Draw 6.9 Amps
Details
White air purification unit with a textured filter, featuring a control panel and the "QUEST" logo prominently displayed.

Quest Hi-E Dry 140 PORTABLE SERIES

Model #4045100-30

  • Capacity 135 Pints/Day
  • Efficiency 7.2 Pints/kWh
  • Supply Voltage 110–120V
  • Current Draw 6.8 Amps
Details
Quest HI-E Dry 140 portable dehumidifier with large wheels and extendable handle
Discontinued

Quest Dual 110 Overhead Dehumidifier Series

Model #4034220

  • Capacity 110 Pints/Day
  • Efficiency 5.8 Pints/kWh
  • Supply Voltage 110-120V
  • Current Draw 7.4 Amps
Details
quest-110-dual-dehumidifier
Discontinued

Quest Dual 105 Overhead Dehumidifier Series

Model #4032270

  • Capacity 105 Pints/Day
  • Efficiency 8.8 Pints/kWh
  • Supply Voltage 110-120V
  • Current Draw 4.9 Amps
Details
quest-dual-105-dehumidifier
Discontinued

Quest 100 High Efficiency Dehumidifier Series

Model #4041870

  • Capacity 100 Pints/Day
  • Efficiency 7.5 Pints/kWh
  • Supply Voltage 110-120V, 60 Hz
  • Current Draw 5 Amps
Details
Quest 100 dehumidifier showing MERV-13 air filter with black corrosion-resistant base and digital control panel

Quest 100 High Efficiency Dehumidifier Series

Model #4044590

  • Capacity 100 Pints/Day
  • Efficiency 7.5 Pints/kWh
  • Supply Voltage 110-120V, 60 Hz
  • Current Draw 5 Amps
Details
Quest 100 dehumidifier showing MERV-13 air filter with black corrosion-resistant base and digital control panel
Discontinued

Quest 155 50Hz International Dehumidifier Series

Model #4037400-XX

  • Capacity 71 Liters/Day
  • Efficiency 3.74 Liters/kWh
  • Supply Voltage 230V, 50 Hz
  • Current Draw 3.5 Amps
Details
White dehumidifier with a honeycomb filter and the logo "Quest Dehumidifiers" prominently displayed on the front.
Discontinued

Quest 70 High-Efficiency Dehumidifier Series

Model #4033750

  • Capacity 70 Pints/Day
  • Efficiency 5 Pints/kWh
  • Supply Voltage 110-120V
  • Current Draw 5.1 Amps
Details
quest-70-dehumidifier
Discontinued

Quest 70 50Hz International Dehumidifier Series

Model #4033810-XX

  • Capacity 26 Liters/Day
  • Efficiency 2.22 Liters/kWh
  • Supply Voltage 230V, 50 Hz
  • Current Draw 2.1 Amps
Details
White dehumidifier with a hexagonal logo and control panel, labeled "QUEST DEHUMIDIFIERS."

To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.