Protect your grow with a compact dehumidifier that delivers pro-level efficiency, flexible setup, and reliable performance day in and day out.

The Quest Dual 155 Dehumidifier is built for growers who don’t gamble with their environment. This high-efficiency, commercial-grade unit removes 155 pints of water per day while pulling far less power than cheap, inefficient units. Whether you're managing a sealed grow room, hydroponic setup, or large-scale commercial operation, this dehumidifier delivers precision moisture control to keep your plants in peak condition.

Designed for flexibility and reliability, it features multiple installation options—hang it overhead, mount it on a wall, or duct it into another space. With Plug-N-Play simplicity, Auto-Restart after power outages, and MERV 11 filtration, the Quest Dual 155 is built to work as hard as you do. Plus, it meets California Title 24 requirements, ensuring compliance with the toughest energy standards.

Features

• Overhead or ground placement – Built to fit what works for your space
• Long power cord – For extended reach.
• Digital control – Digital control interface with external control option.
• Widest operating range – Of temperature and relative humidity.
• Auto restart – Unit automatically defaults to prior settings in the event of a power outage.
• Compact unit – For mobility and a small footprint that won’t interfere with operations.
• UL rated and ETL listed – The highest safety standard.
• MERV 13 filtration – Superior filtration removes more harmful contaminants from the air, such as dust, pollen, and mold, as well as bacteria and some viruses.
• Assembled in Madison, Wisconsin – Built to last.

What's Included?

• Dehumidifier
• 4 x Feet
• 2 x Compressor Plugs
• Drain Hose
• Drain Adapter ¾” NPT PVC to 5/8” Hose Barb
  

Download Resources

• Quick Start Instructions
• Product Manual
• Spec Sheet