CE Certification Air Cooler Water Defrosting Evaporator for Cold Storage - China Suppliers & Factory Solutions Factories, Exporter

In the refrigeration industry, maintaining optimal temperatures is essential for preserving perishable goods, and an electric defrost evaporating unit plays a vital role in this process. Our Air Cooler is high-quality heat exchange equipment designed for various cold storage applications, including high temperature, medium temperature, low temperature, civil cold storage, and combined cold storage, Our water defrost Air Cooler utilizes warm water to efficiently melt frost accumulation on the evaporator coil, thereby preventing clogging and ensuring efficient operation. These water defrost systems are designed to activate at predetermined intervals or when frost levels exceed specific thresholds. When activated, warm water circulates over the evaporator coil, melting frost and allowing the unit to operate at peak efficiency, As a leading supplier and factory in China, we are committed to providing reliable and durable refrigeration solutions that meet the diverse needs of our customers. Choose our Air Cooler to ensure optimal performance and efficiency in your cold storage facilities

Product Description

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Products Description
Our water defrost Air Cooler: W-series air coolers are divided into three series: W-SD, W-SL and W-SJ types, used differently as evaporators in medium temperature, high-temperature, and low-temperature cold storages.

W series water defrost air coolers have compact structure, light weight, easy installation, fast air circulation in the storage, and it can balance storage temperature.

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Product Details

The Air Cooler needs to be used with the refrigeration compressor unit. According to the required storage temperature, the corresponding air cooler should be selected.

🌡️ W-SD — Suitable for cold storage with a storage temperature from -5°C to 5°C (23~41°F). Can store fresh foods, vegetables and other items.
❄️ W-SL — Suitable for cold storage with a storage temperature from -15 to -25°C (5~-13°F). Suitable for freezing/refrigerated beef, mutton, fish, and seafood.
🧊 W-SJ — Suitable for cold storage with a storage temperature of -25°C to -40°C (-13~-40°F). Mainly used for quick-frozen poultry, seafood, dairy products, etc.
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Blowing and Mounted Types
Ceiling Mounted
Oblique Side Blow
Oblique Side Blow
Standard Side Blow
Standard Side Blow
Double Side Blow
Double Side Blow
Floor Stand
Standard Top Blow
Standard Top Blow
Vertical Side Blow
Vertical Side Blow
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Key Features
Cabinet
Steel Plate Cabinet with plastic spray
Corrosion proof
Color can be customized
Copper tubes
Mechanically expanded copper tubes
High heat exchange efficiency
Fan Motor
Long distance air throw cowl available
Refrigerant: R404A, R507A, R22, etc.
Aluminum foil
Blue hydrophilic aluminum foil
More types of AL foil available
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Model Description
Model Selection Guide
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Specifications
Series Water Defrost Air Cooler Model Specification
Model Area (m²) Defrost Temp Installation Blow Type Fan Motor Fan Type Fin
WaterElecHot FJ/D/LRoofObliqueDoubleFloorVertMaErEBMQtyOuterAxialLightHydroOther
HT-WS-3030-2-
HT-WS-4040-2/3
HT-WS-6060-2/3
HT-WS-100100-3/4
HT-WS-2002004
HT-WS-4004004
HT-WS-6706704
Note: ● Standard | ○ Optional
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Why Choose Water Defrost?

Water defrost air coolers are an important part of modern cold storage solutions. Its efficient cooling capacity combined with automatic water-based defrost ensures that perishable goods are stored under optimal conditions. With energy-efficient design, advanced temperature control and durability, air cooler units are ideal for a variety of applications, from food and pharmaceutical storage to cold chain logistics and industrial refrigeration.

⚡ Energy Efficiency
Using warm water for defrost is often more energy efficient than electric heating, thus reducing operating costs.
🔄 AUTO-DEFROST
The automatic defrost feature enables hands-free operation, maintaining optimal performance without manual intervention.
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Frequently Asked Questions
QWhat is the difference between W-SD, W-SL, and W-SJ air cooler series?
The three series are designed for different temperature ranges: W-SD for medium-temp (-5°C to 5°C), W-SL for low-temp (-15°C to -25°C), and W-SJ for ultra-low-temp (-25°C to -40°C).
QWhat refrigerants are compatible with these air coolers?
The W-series air coolers are compatible with multiple refrigerants including R404A, R507A, and R22.
QWhat mounting and blowing types are available?
Options include ceiling-mounted (Oblique, Standard, Double Side Blow) and floor-stand (Standard Top, Vertical Side Blow) installations.
QHow does the water defrost system save energy?
It leverages the thermal energy of warm water to melt frost on coils, which consumes less electrical energy compared to traditional electric heating elements.
QCan the cabinet color and fin material be customized?
Yes, the cabinet spray coating supports custom colors, and various fin types like blue hydrophilic or standard light foil are available.
QWhat is the evaporating area range?
The series covers a wide range from 30 m² up to 670 m², suitable for various cold storage sizes and capacities.

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