Quest 375 Overhead Dehumidifier - 170L / Day

Quest 375 50Hz Dehumidifier

High-Capacity. Energy Efficient. Built for Serious Growers.

The Quest 375 50Hz is engineered for large-scale environments where precise humidity control and maximum efficiency are critical. Designed specifically for 50Hz regions, it’s the ideal solution for commercial grow rooms, large drying facilities, and industrial applications.

With a 20% more compact design, the Quest 375 delivers higher performance with reduced heat output, making it easier to integrate into modern grow systems without adding unnecessary thermal load.

Key Features

High-Capacity Moisture Removal
Removes up to 170L per day, making it perfect for high-humidity, high-demand environments.

Industry-Leading Efficiency
Optimised energy performance reduces running costs while maintaining powerful dehumidification.

Reduced Heat Output
Designed to minimise added heat — helping maintain stable grow room temperatures.

Compact, Installation-Friendly Design
20% smaller footprint with integrated lift & hang points for easy overhead mounting.

Advanced Digital Control System

• Precise RH control
• Maintenance alerts
• Built-in diagnostics
• Dark mode for light-sensitive grow environments

Flexible Control Options
Compatible with external controllers via low-voltage terminal block.

Built for Reliability
Engineered and assembled in the USA, backed by a 3-year limited warranty.

Performance Overview

@ 26.7°C | 60% RH

• Water Removal: 170L/day
• Energy Factor: 3.6 L/kWh
• Power: 2,550W

@ 23.9°C | 50% RH

• Water Removal: 109L/day
• Energy Factor: 2.6 L/kWh

Technical Highlights

• Airflow: 950 CFM
• Operating Range: 13°C – 35°C
• Voltage: 230V
• Weight: 97.5 kg
• Refrigerant: R454B
• Drain: 1.9cm threaded NPT
• Fan: Variable speed EC motor
• Filter: MERV 13 (high-efficiency filtration)

Why Choose Quest 375?

✔ Built for large commercial environments
✔ High performance + energy efficiency
✔ Lower heat output than traditional units
✔ Easy install + advanced control system
✔ Proven reliability from a trusted US manufacturer

The Bottom Line

If you’re running a serious grow or drying operation, the Quest 375 50Hz delivers the power, efficiency, and control needed to maintain perfect environmental conditions — consistently.

Control your climate. Protect your yield. Maximise your results.