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Comprehensive HVAC Solution for Seafood Factories: Combining AHU Dezenno.MAX and Rotor Dezenno

06/08/2025

Demanding export markets like the EU, Japan, and the United States require not only high-quality seafood products but also a production process with strictly controlled environments. Simply installing a few standalone dehumidifiers to prevent condensation is no longer enough to meet these standards.

To reach the highest export standards, a modern seafood factory needs a comprehensive air handling system. DeAir offers a cutting-edge solution that combines the power of the AHU Dezenno.MAX and the Dezenno Rotor Dehumidifier.

Dezenno.MAX high-capacity air handling unit (AHU)
A comprehensive HVAC system is the key to meeting stringent export standards.

1. Why is Dehumidification Alone Not Enough for a Modern Seafood Factory?

An ideal food production environment is not just dry; it must be simultaneously controlled across 4 core pillars. Focusing on one factor while ignoring the others will result in a piecemeal and ineffective solution.

THE 4 PILLARS OF AN IDEAL SEAFOOD PRODUCTION ENVIRONMENT

💧

Humidity

Prevents condensation, inhibits bacterial growth.

🌡️

Temperature

Slows microbial growth, preserves the product.

🍃

Cleanliness

Removes dust, bacteria, and mold spores via filtration.

💨

Pressure

Creates positive pressure to prevent contaminated air from entering.

A standalone dehumidifier only solves 1/4 of the problem. A comprehensive solution must control all four factors.

2. The Comprehensive Solution from DeAir: The Combined Power of an AHU and a Rotor Dezenno

If the factory is a living body, this system is its lungs and heart, ensuring an absolutely "healthy" environment.

2.1. The Role of the AHU Dezenno.MAX: The "Lungs" of the Factory

The Dezenno.MAX Air Handling Unit (AHU) is responsible for supplying a high-quality incoming air stream, with functions including:

  • Ventilation & Fresh Air Supply: Provides oxygen and clean air to the facility.
  • Air Filtration: Integrates various filter stages (G4, F8, HEPA) to remove up to 99.9% of dust and microorganisms.
  • Temperature Control: Includes heat exchange coils to precisely control the incoming air temperature.
  • Positive Pressurization: Maintains positive pressure for cleanrooms, preventing contaminated air from infiltrating.

2.2. The Role of the Dezenno Rotor Dehumidifier: The "Heart" of the System

The high-quality air stream from the AHU is then passed through the Dezenno Rotor Dehumidifier. This is the "heart" of the system, performing the core task: treating and reducing the air's humidity to ultra-low levels, which is especially critical for cold areas.

Dezenno Rotor Dehumidifier by DeAir
The Dezenno Rotor handles the intensive dehumidification for the system.

3. Practical Operating Model in Different Zones of a Seafood Factory

COMPREHENSIVE HVAC SYSTEM APPLICATIONS

▶ Processing & Preparation Area: The AHU provides a stream of bacteria-filtered and cooled air. The Rotor Dezenno then thoroughly removes moisture. The Result: a CLEAN - COOL - DRY environment that completely prevents condensation and contamination.


▶ Blast Freezer & Ante-Room: The AHU supplies an ultra-dry air stream (treated by the Rotor) into the ante-room in front of the cold storage door. This stream creates an "air curtain," preventing moist ambient air from rushing in every time the door is opened, completely eliminating frost and condensation issues.


▶ Packaging & Finished Goods Warehouse: The system maintains a CLEAN - DRY - COOL environment, protecting the packaging and quality of the product before shipment, ensuring goods reach the customer in the highest quality condition.

4. Superior Benefits of an Integrated Solution

  • Comprehensive Control of 4 Factors: Meets the most stringent requirements for a production environment.
  • Ensures Highest Export Standards: Helps businesses easily achieve certifications like HACCP, ISO 22000, BRC, etc.
  • Energy Efficiency: An integrated, synchronously designed system is more energy-efficient than operating multiple separate units.
  • Synchronized System, Centralized Control: The entire system can be integrated into the factory's BMS (Building Management System) for centralized monitoring and control.

ELEVATING VIETNAM'S SEAFOOD FACTORIES

To compete in the international market, seafood factories need to upgrade from standalone devices to comprehensive, integrated air handling systems. DeAir is a trusted partner with the full capability to consult, design, and manufacture these complex HVAC systems right here in Vietnam.

DEAIR JOINT STOCK COMPANY

Email: operation@deair.com.vn

Hotline: 0925 977 579 (Ms. Tâm) | 0914 205 850 (Ms. Hòa)

Website: deair.com.vn