Quest 375 by Quest – Big Room. Big Power. Big Dry.

Heavy-duty humidity control, no compromises

💬 The Quest 375 is a high-capacity beast built for serious growers, drying rooms, and climate-controlled facilities. This 50Hz powerhouse removes a massive 170 litres of moisture per day with a super-efficient 3.6 L/kWh rating - and it does it without hogging your amps or roasting your room.

With M‑CoRR multi-coil tech, next-gen digital controls, and MERV 13 filtration, this unit brings pro-grade performance and precision into any high-demand grow space. Plus, it’s CE-rated, compact for its class, and built to hang or sit wherever you need it.

Best part? It actually performs at the temps and humidity levels we grow in - no inflated numbers, no mystery specs. Just honest, elite-level moisture control.

🔹 Key Features

💧 170L/Day Dehumidification – Smashes moisture fast in large grow rooms or drying setups.

⚙️ M‑CoRR Efficiency – Delivers 3.6 L/kWh while staying cooler than other high-capacity units.

🧠 Advanced RH Control – Onboard digital interface with precise 1% RH setpoints, maintenance alerts, and external control compatibility.

🛠️ How to Use It

Drop it in place or mount it overhead using integrated hang points - no special kits required. Plug in the 6m cord, dial in your RH, and let the smart controller handle the rest. Designed for continuous, reliable operation with auto-restart, dark mode, and smart diagnostics for easy servicing.

🌟 Grow Guys Tips

This is the dehu you want if you’re running a full room or drying bulk harvests. Keep the MERV 13 filter clean for optimal airflow and check system indicators regularly for peak performance. Want even better climate control? Pair it with a smart controller via the terminal block for total integration.

🧃 Perfect For

Large-scale commercial grows, industrial drying rooms, or any facility needing tight, energy-smart humidity control. Designed for 50Hz regions - perfect for Australia, NZ, UK, and beyond.

📦 Specs & Stuff

• Water Removal:

  • 170L/day @ 26.7°C, 60% RH

  • 231 pints/day @ 23.9°C, 50% RH

• Efficiency:

  • 3.6 L/kWh | 7.6 Pints/kWh

• Power Draw: 2,550W | 9.3A @ 230V

• Airflow: 950 CFM

• BTUs: 23,100 total

• Unit Size: 83.6cm (L) x 60.2cm (W) x 62.5cm (H)

• Weight: 97.51 kg

• Temp Range: 13°C – 35°C

• Filter: MERV 13 | 50.8 x 55.8 x 5.1 cm

• Fan Type: Variable Speed EC Motor

• Mounting Options: Freestanding or overhead (threaded rod compatible)

• Drain Port: 1.9 cm Threaded NPT

• Refrigerant: R454B | 62 oz

• Control: Onboard digital w/ external terminal support

• Power Cord: 6m FEM IEC 60320-C13

• Breaker Size:

  • UK: 13A

  • AU/EU: 16A

• Certifications: CE Rated

• Warranty: 3 Year Limited

🚀 When you’ve got big grow energy, you need big control

Take charge of your environment like a pro. Chuck the Quest 375 in your cart and crush humidity before it crushes your crop.