Ducted AC

REF-DU

Discover our professional ducted AC systems, the perfect solution for seamless climate control. Our comprehensive range of ducted air conditioner units features advanced centrifugal fan technology and flexible installation options. From compact low-ESP models to high-static pressure systems, we provide complete HVAC duct supplies for residential and commercial applications. Experience quiet operation, efficient performance, and customizable configurations with our reliable duct AC solutions.

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Refria Ducted AC Solutions

Professional ducted air conditioner systems for superior air distribution in residential and commercial applications

Professional Ducted AC Solutions

Our comprehensive range of ducted air conditioner units provides complete HVAC solutions for residential and commercial applications. From low to high static pressure models, we offer the perfect duct ac system for any installation requirement.

12K-60K

Capacity Range

30-200Pa

Static Pressure

3 Speeds

Fan Control

Key Advantages of Ducted AC Systems

Refria's ducted AC systems combine advanced air distribution technology with flexible installation options, offering comprehensive solutions for various residential and commercial applications.

Completeducted air conditioner systems for comprehensive HVAC solutions

Advanced centrifugal fan technology for superior air flow with minimal noise

Flexible installation options with multiple air return configurations

Multiple static pressure options from 30-200Pa for various hvac duct supplies

Comprehensive protection systems for reliable duct acoperation

Compatible with standard hvac duct supplies for easy installation

Ducted AC Unit Series

Our professional ducted air conditioner series includes five specialized models designed to meet diverse installation requirements and performance needs. Each unit is engineered with advanced features to ensure optimal performance in any duct ac system configuration.

Low ESP Short Ducted Unit

• Capacity: 12K-24K Btu/h

• Compact 815mm length design

• V-shaped evaporator

• Ideal for space-constrained installations

Medium ESP Ducted Unit

• Capacity: 18K-60K Btu/h

• Ultra-thin 260mm profile

• 30Pa standard (up to 70Pa) static pressure

• Optional filter available

High ESP Ducted Type Unit

• Capacity: 48K-60K Btu/h

• 120Pa standard static pressure

• Fresh air intake capability

• Long-distance air supply

Standard Ducted Unit

• Various capacity options

• Medium to high ESP

• DC motor technology

• Wide application flexibility

Constant Air Flow Unit

• Various capacity options

• Up to 200Pa static pressure

• Automatic air flow adjustment

• Consistent performance in variable conditions

Ducted AC Technical Specifications

Model Type	Capacity Range	Static Pressure	Dimensions	Special Features
Low ESP Short Ducted	12,000-24,000 BTU/h	Low ESP	815mm length	Short body, V-shaped evaporator
Medium ESP Ducted	18,000-60,000 BTU/h	30Pa (up to 70Pa)	260mm thickness	Ultra-thin design, optional filter
High ESP Ducted Type	48,000-60,000 BTU/h	120Pa standard	Standard	Fresh air intake, long distance air supply
Standard Ducted Unit	Various	Medium to High ESP	Standard	DC motor, wide application
Constant Air Flow	Various	Up to 200Pa	Standard	Automatic air flow adjustment

Note:

All our ducted air conditioner units include flexible installation options and are compatible with standard hvac duct supplies. Contact our team for specific model specifications and custom requirements.

Advanced Duct AC Features

Centrifugal Fan Technology

Aviation-grade centrifugal fan blades with specialized air tunnel design and anti-vibration measures increase air flow while reducing noise in our duct hvacsystems.

Multi-Speed Control

Three fan speed settings provide flexibility to meet different airflow requirements, ensuring optimal comfort with our ducted air conditionerunits.

Comprehensive Protection

Multiple protection systems ensure long-term stable operation of your duct ac system with automatic restart functionality for uninterrupted performance.

Optional Features & Accessories

Condensate Water Pumps

• Up to 700mm head capacity

• Efficient condensate drainage

• Ideal for challenging duct acinstallations

Air Filtration Systems

• PM2.5 particle removal

• Long-term filter effectiveness

• Easy removal from grilles for cleaning

Controller Options

• Wired and wireless options

• Standard and optional models

• Suits various duct hvac system requirements

Ideal Applications

Hotel Rooms

• Low ESP short ducted units

• Compact 815mm length design

• Space-constrained installations

Office Buildings

• Medium and high static pressure units

• Complex duct systems

• Professional air distribution

Residential & Commercial

• Flexible installation options

• Constant air flow units

• Renovation and new construction

Why Choose Refria Ducted AC Systems

Complete Range of Solutions

Comprehensiveducted air conditioner solutions for every application, from compact installations to high-static pressure requirements.

Advanced Air Distribution

Centrifugal fan technology with specialized air tunnel design for optimal air flow and quiet operation in our duct hvacsystems.

Flexible Installation

Multiple air return configurations and compact designs for various space constraints in both residential and commercial applications.

Comprehensive Protection

Multiple protection systems ensure reliable duct ac operation with automatic restart functionality for uninterrupted performance.

Multiple Pressure Options

Static pressure options from low to high ESP (up to 200Pa) to meet various hvac duct suppliesrequirements.

Standard Compatibility

Compatible with standard hvac duct supplies for easy installation and integration with existing systems.

Important Notes

All Refria ducted AC systems are manufactured under ISO 9001 quality standards.
Performance data based on standard test conditions. Specifications subject to change without notice.
For complete technical specifications and customization options for our ducted air conditioner products, please contact our technical team.

Refria Ducted AC Systems Support

Comprehensive warranty, technical support, and FAQs for your ducted air conditioner systems and HVAC duct supplies

12-Month Warranty for Ducted AC Systems

We provide a 12-month warranty period for our ducted air conditioner units, calculated from the date the customer receives the goods. During this warranty period, we will provide free repair services, including free replacement parts, for any failures caused by product material or workmanship quality issues in your duct ac system.

12

Months Warranty

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Free Parts Replacement

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Free Repair Services

Warranty Coverage Includes:

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Manufacturing defects in centrifugal fan blades and motors

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Faulty components in V-shaped evaporator coils

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Issues with three-speed fan control systems

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Problems with factory-installed protection systems and PCBs

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Defects in optional water pumps and filtration systems

⚠️ Warranty Exclusions

Normal wear and tear, damage due to improper installation, incorrect hvac duct supplies usage, unauthorized modifications, or damage caused by external factors such as power surges or natural disasters.

Technical Support for Ducted AC Systems

We offer dedicated email support to assist with installation, operation, and maintenance questions for your ducted ac systems and related hvac duct supplies.

✉️

Email Support

sharon.pan@refria.com

Contact us for technical questions, installation guidance, or operational issues with your duct hvac systems

⏱️

Response Time

Within 24 hours

(1 business day) for technical inquiries

Before Contacting Support

•

Your ducted air conditioner model type (Low/Medium/High ESP, Constant Air Flow)

•

Unit capacity and static pressure specifications

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Description of the installation environment and duct configuration

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Photos of the installation site and any issue areas

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Details about your hvac duct supplies and accessories used

Frequently Asked Questions about Ducted AC Systems

What is the difference between Low, Medium, and High ESP ducted units?

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Our ducted ac systems are categorized by static pressure capabilities to suit different installation requirements:

Low ESP Units (12K-24K Btu/h)

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Compact 815mm short body design

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Ideal for hotel rooms and small spaces

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V-shaped evaporator for efficient heat exchange

Medium ESP Units (18K-60K Btu/h)

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Ultra-thin 260mm profile design

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30Pa standard static pressure (customizable to 70Pa)

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Optional PM2.5 filtration available

High ESP Units (48K-60K Btu/h)

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120Pa standard static pressure

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Suitable for long-distance air supply

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Fresh air intake capability

Choosing the Right System

Choosing the right duct hvac system depends on your duct length, layout complexity, and air distribution requirements.

What installation flexibility do your ducted AC units offer?

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Our ducted air conditioner systems provide multiple installation options to accommodate various space constraints and hvac duct supplies configurations:

Air Return Options

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Rear air return for standard installations

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Bottom air return for specific space requirements

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Easy conversion between return methods

Space Adaptability

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Short body units (815mm) for tight spaces

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Ultra-thin units (260mm) for low-clearance installations

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Multiple unit shapes (L-type, U-type, Narrow-type)

Duct Connection Flexibility

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Compatible with standard round and rectangular ducts

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Various static pressure options for different duct lengths

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Constant air flow models maintain performance in variable conditions

Versatile Applications

This flexibility makes our duct ac systems suitable for hotels, offices, residential buildings, and renovation projects.

What optional features are available for ducted AC systems?

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Our ducted air conditioner systems offer several optional features to enhance performance and functionality:

Condensate Management

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Optional water pumps with 700mm head capacity

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Helps discharge condensate water quickly in challenging installations

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Essential when gravity drainage isn't feasible

Air Quality Enhancement

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Long-term PM2.5 filters for improved indoor air quality

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Filters easily removable from grilles for cleaning

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Multi-direction filter access for convenience

Control Options

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Wired controllers (standard on most models)

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Wireless controllers for flexible installation

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Multiple controller types (Wred, Wired, Wireless, Diamond)

Fresh Air Capability

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Fresh air intake duct connections on high ESP models

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Maintains indoor air freshness while providing cooling

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Integrated with main air return system

Customization Benefits

These optional features allow customization of your duct hvac system to meet specific project requirements and enhance user comfort.

What protection systems are included in your ducted AC units?

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Our ducted ac systems include comprehensive protection measures to ensure long-term stable operation:

Multi-stage protection against electrical faults

Automatic restart function after power interruption

Motor overload and overheating protection

System pressure monitoring and control

Freeze protection for evaporator coils

Short circuit and reverse phase protection

Advanced Safety Features

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Fan motor anti-vibration measures for reduced noise

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Aviation-grade centrifugal fan blades for reliability

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Special air tunnel design for optimal airflow

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Moisture-resistant PCB for enhanced durability

System Reliability

These protection systems work together to prevent unit damage and ensure your ducted air conditioner operates safely and efficiently, even in demanding conditions with complex hvac duct supplies configurations.

How do I maintain and clean my ducted AC system?

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Proper maintenance is essential for optimal performance of your duct ac system:

Regular Maintenance Tasks

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Clean or replace air filters every 3-6 months

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Inspect and clean evaporator coils annually

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Check condensate drainage system for blockages

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Verify proper operation of water pumps if installed

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Inspect ductwork for leaks or damage

Professional Service Recommendations

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Annual professional inspection of electrical components

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Biannual cleaning of centrifugal fan and air tunnel

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Regular verification of static pressure performance

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System performance check before cooling season

⚠️ Filter Maintenance Tips

Standard filters: Clean with warm water and mild detergent • PM2.5 filters: Follow manufacturer replacement schedule • Filter access: Available from multiple directions for easy maintenance

Maintenance Benefits

Regular maintenance ensures your ducted air conditioner operates efficiently and extends the lifespan of both the unit and your hvac duct supplies.