Description
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.
Payment & Security
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Customer Reviews
This is the real deal. No mucking around, just a quality product that does what it's supposed to.
I'm so glad I got this. It's made a massive difference to my plants. They're looking healthier than ever.
Top quality gear. It's built like a tank and performs flawlessly. Wouldn't hesitate to recommend it.
This is a fantastic product. It's made my grow so much more efficient. I'll definitely be shopping here again.
I'm blown away by the quality of this. It's a proper piece of equipment. Five stars from me.
This is a must-have for any serious grower. It's made a huge difference to my setup.
Top-notch stuff. You can feel the quality. It's a proper piece of equipment that's built to last.
Absolutely brilliant product! Exceeded my expectations in every way. The quality is top-notch and it works perfectly. Cheers to the team for the great service.
Been using this for a few weeks now and I'm seriously impressed. Solid build and does exactly what it says on the tin. My plants have never looked healthier.
Absolute game-changer. Fair dinkum, this is the best bit of kit I've bought in ages. Does exactly what you need it to do, no mucking about. Too easy!


