Quest Dual 155 Overhead Series Dehumidifier
– 155 Pints/Day, 120V, MERV 11 Filtration

The Quest Dual 155 Overhead Series Dehumidifier is a high-efficiency commercial solution engineered for reliable humidity control in grow operations, industrial facilities, and sensitive technical environments. Designed to remove up to 155 pints of moisture per day, it delivers exceptional performance while significantly reducing energy costs compared to conventional dehumidifiers. Its versatile design supports overhead mounting or ducted installation to manage humidity in adjacent or separate spaces, making it an ideal choice for flexible, space-conscious applications. With plug-and-play operation, robust safety certifications, and dependable auto-restart functionality, the Quest Dual 155 provides consistent, worry-free performance.

Key Features & Benefits

• 155 Pints/Day Moisture Removal – Efficiently controls humidity in commercial and controlled environments.

• High Energy Efficiency – Delivers industry-leading performance with lower energy consumption for reduced operating costs.

• Overhead or Ducted Installation – Mount overhead or connect via ductwork to dehumidify a separate room or enclosed space.

• Plug-N-Play Setup – Simple installation with a long power cord for fast deployment.

• MERV 11 Air Filtration – Helps capture airborne particles to support cleaner, healthier air.

• Auto-Restart Protection – Automatically resumes operation after power outages for uninterrupted humidity control.

• UL Rated & ETL Listed – Built to meet rigorous safety and performance standards.

• California Title 24 Compliant – Approved for both ducted and non-ducted installations in regulated environments.

Technical Specifications

• Capacity: 155 Pints/Day

• Efficiency: 7.3 Pints/kWh

• Energy Factor: 3.5 L/kWh

• Power Supply: 110–120 VAC, 1 Phase, 60 Hz

• Current Draw: 8 Amps

• Operating Range: 56°F – 95°F

• Air Filtration: MERV 11

• Unit Dimensions: 38 in L × 20.25 in W × 21.75 in H

Performance Overview

The Quest Dual 155 is designed to balance high moisture removal with energy-conscious operation, making it ideal for facilities where long runtimes and utility savings matter. Its ability to operate as a standalone overhead unit or as part of a ducted system allows precise humidity management without occupying valuable floor space. Engineered for durability and ease of use, the Dual 155 delivers stable environmental control while minimizing maintenance and downtime.

Ideal Uses & Applications

• Hydroponics, aeroponics, aquaponics

• Greenhouses, nurseries, indoor & vertical farming

• Commercial grow operations & CEA facilities

• Seed storage and urban agriculture

• Laboratories, research & product development facilities

• Server rooms, data centers & electronics storage

• Clean rooms, cold storage & mechanical rooms

• Industrial spaces, warehouses & distribution centers

About the Brand

Quest Climate is a trusted leader in high-performance dehumidification systems for agricultural, industrial, and commercial applications. Quest products are known for energy efficiency, durable construction, and dependable operation in mission-critical environments.

Take control of humidity with a proven, energy-efficient solution—choose the Quest Dual 155 Overhead Series Dehumidifier for flexible installation, reliable performance, and long-term operational savings.