Quest Dual 150 Overhead Dehumidifier

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Sale price$1,994.99 Regular price$2,099.95


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Quest Dual 150 Overhead Dehumidifier

If space is an issue, choose the Dual 150. The Quest Dual 150 Overhead Dehumidifier will move dry, hot air throughout your greenhouse and indoor gardening space and removes up to 150 pints of water under standard operating (AHAM) conditions (80-F, 60%) while the onboard dehumidistat carefully monitors indoor humidity conditions.


  • Extremely Energy Efficient: The Dual 150 was designed to provide improved value while still offering solid performance and energy efficiency. The Quest Dual 150 performs at over 4.9 pints per kWh compared to the Dual 155 at 7.3 pints per kWh.

  • Small and Compact: If space is an issue for you, then choose this dehumidifier. Only 26' long  and 19.4 inches high this unit is powerful yet compact.

  • Hands-Free Monitoring of Indoor Humidity: Unlike other dehumidifiers, this overhead Quest unit has an onboard dehumidistat and operates via three humidity levels – dry, normal, and humid. Depending on the settings, the unit will kick on when the humidity rises above the preset and will turn off when the humidity is reduced 4 – 6% relative humidity.

  • Overhead or Floor Installation: Unlike traditional dehumidifiers, the Quest Dual 150 Dehumidifier can be mounted overhead, freeing up floor space for a variety of growing needs. This installation can be completed via the Quest hanging bracket with chains, allowing for more room. While overhead installation is recommended, the Quest 150 can easily be installed on the ground floor for growers whose needs may change on a day-to-day basis.

  • Ideal for Mid Sized Areas: This unit is ideal for mid sized spaces where regulating humidity is really important. Before purchasing, consider the facility square footage, frequency of feeding, and water net usage for selecting the right Quest dehumidifier. To get answers to any specific questions about your facility and which unit is right for you, please reach out to us directly to have an expert contact you with all the information you need. 

  • Easy Installation- Plug & Play: In addition to overhead installation, the Quest 150 Dehumidifier is a plug and play dehumidifier, requiring no intricate installation process with circuits and wiring for ground or floor installation. The units feature an on-board low voltage terminal block that makes it easy to wire to external controls.

  • Dual Air Distribution – Features the Quest Dual Air Distribution for optimal dry air circulation throughout spaces.

  • Low Amp Usage – Environmentally-friendly and good on energy, this unit only uses 11.6 amps.

  • Made in the USA: The Quest Dual 150 is proudly made in the USA.

  • Long Lasting- 5 Year Warranty: These dehumidifiers are extremely strong and durable. Quest will back up your purchase with a 5-Year Warranty on the sealed system, and a 1-Year Warranty on Parts and Labor.

  • Quest Dual 150 Overhead Dehumidifier

  • Owners Manual

  • 2 Filter Doors

  • 4 Feet

  • 2 Compressor Plugs

  • 1 Drain Hose

  • 1 Drain Adaptor

  • Industrial Use: Indoor Gardening / Greenhouse

  • Pint Capacity: 150 pints

  • Low Temperature Operation (41 degrees F and Under): No

  • Low Grain Refrigerant (LGR): No

  • Desiccant: No

  • Internal Condensate Pump: No

  • Auto-Restart: Yes

  • Color: Cream

  • Filter Type: MERV-8

  • Continuous Drain Capable: Yes

  • Drain Hose Diameter: 0.75 or 0.625 in.

  • Safety Certifications: ETL

  • Drain Hose Included: Yes

  • Wi-Fi Capable: No

  • Controls: Manual

  • Weight: 95 lbs.

  • Ductable: Yes

  • Drain Hose Length: 8 ft.

  • Bluetooth Capable: No

  • Water Container: No

  • Maximum Amperage: 11.6 Amps

  • Fan Operation Can Run Continuously or Only When Dehumidifying

  • Number of Fan Speeds: 1

  • Casters: No

  • Maximum Cubic Feet per Minute (CFM): 430 CFM

  • Depth: 26 in.

  • Energy Star: No

  • Full Bucket Indicator/Auto Shutoff: No

  • Maximum Wattage: 1300 W

  • Refrigerant Type: R-410A

  • Energy Factor: 2.29 L/kWh

  • Voltage: 110-120 V

  • Width: 14.5 in.

  • Height: 21 in.

  • Automatic Defrost: Yes

  • Power Cord Length: 10 ft.

  • Humidistat: Yes

  • Lowest Operating Temperature: 56 degrees

  • Number of Filters: 1

Order shipment preparation takes 3 days. Once shipped orders usually take 2 weeks to be delivered. These are estimations; delivery can be delayed for reasons beyond our control. You can always contact us to know the exact delivery time once you placed an order with us. Have a look at our shipping policy here.

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