Energy-efficient air conditioning solutions engineered for performance, reliability, and easy installation. From compact split systems to powerful rooftop units — tailored cooling for every space.
Essential information at a glance — special air conditioning systems that cool air directly, integrating filtration, temperature reduction, dehumidification, heating, and humidification in one unit.
Special air conditioning systems that cool air directly. Unlike other systems, they don't need water pipes or cooling towers. Instead, these smart machines use refrigerant to cool air right away.
As a leading Direct Expansion (DX) Units Manufacturer, SongXin makes these systems for buildings of all sizes. From small offices to huge factories, these units work everywhere.
| Feature | Benefit | Best For |
|---|---|---|
| Energy Savings | Up to 30% less energy use | Commercial buildings |
| Space Saving | 50% less room needed | Small buildings |
| Quick Installation | Plug-and-play setup | Fast projects |
| Temperature Control | Precise ±1°C control | Hospitals, labs |
Performance Metrics
Ultra-quiet operation
Long-lasting reliability
Understanding how these systems work is simple. Every DX system has two main parts — this process happens continuously, keeping your building comfortable all day long.
The outdoor unit compresses refrigerant gas, increasing pressure and temperature
Hot gas moves to the condenser where it cools down and becomes liquid
Cooled refrigerant flows to the indoor unit through the expansion valve
Indoor unit uses cold refrigerant to cool the air directly and continuously
No water circulation needed — refrigerant cools air directly for instant comfort.
Minimal infrastructure required — no cooling towers, no chilled water piping.
Direct heat exchange process delivers up to 30% energy savings versus chilled water systems.
Over 20 years of manufacturing experience in HVAC systems, delivering reliable and innovative cooling solutions worldwide.
Complete product range covering residential, commercial, and industrial applications with customizable solutions.
Global certifications and compliance ensuring the highest quality standards and international market access.
24/7 technical help with multilingual support team ready to assist with installation, maintenance, and troubleshooting.
Comprehensive coverage protecting your investment with industry-leading warranty terms and conditions.
Ability to modify units according to specific requirements, ensuring perfect fit for unique applications and environments.
12–50 kW
Specially designed for temporary structures and outdoor applications with fast deployment and portable design.
100–520 kW
Large-capacity packaged units installed directly on building rooftops, saving indoor space with high air volume output.
12–150 kW
Consists of separate outdoor condensing units and indoor air-handling units for flexible, independent zone control.
20–200 kW
Hidden installation connected with air ducts for multi-zone cooling/heating with invisible, low-noise design.
| Category | Capacity | Installation | Best For |
|---|---|---|---|
| Tent Air Conditioners | 12–50 kW | Portable | Temporary structures |
| DX Rooftop Units | 100–520 kW | Rooftop | Large buildings |
| DX Split System | 12–150 kW | Split | Small–medium spaces |
| Ducted DX Units | 20–200 kW | Concealed | Multi-zone comfort |
DX units deliver reliable cooling/heating performance with compact design and flexible installation, perfect for diverse environments requiring efficient climate control.
Commercial
Perfect for offices, retail stores, and educational facilities requiring flexible climate control.
Industrial
Precision climate control for manufacturing, laboratories, and critical infrastructure.
Hospitality
Comfort-focused solutions for hotels, healthcare facilities, and public venues.
Temporary
Portable solutions for military operations, emergency response, and temporary installations.
Energy-efficient operation with optimal performance
Adaptable to various space constraints
Consistent cooling and heating in all conditions
Fast installation and immediate operation
SongXin DX Units feature advanced engineering with premium components ensuring superior performance, durability, and reliability.
High-strength aluminum alloy with anodized surface treatment.
Color-coated steel with polyurethane foam insulation.
Aluminum construction with sealing gaskets.
Dual-inlet fans with internationally renowned motors.
High-strength aluminum with precise control.
Multiple options: metal, electrostatic, carbon.
Electric, hot water, or steam coils available.
Electrode steam, misting, or membrane types.
Precision Engineering Excellence — Every component is meticulously designed and rigorously tested to ensure optimal performance, energy efficiency, and long-term reliability in demanding applications.
Get instant answers to common questions about our DX Units, from technical specifications to customization options.
Our DX Units cover 15–75 kW for ducted models, up to 510 kW for rooftop models, ensuring flexibility for small to large-scale projects.
Yes, we offer both fixed-speed and inverter-driven options to meet different energy efficiency requirements.
Absolutely. Our units are tested for reliable operation between -20°C and 55°C, making them suitable for tropical, desert, and cold climates.
We provide on-site guidance, online commissioning support, and detailed installation manuals. For large projects, we can arrange engineer visits.
Yes. We support custom configurations for industrial, commercial, and healthcare applications, including advanced filtration, humidification, and sterilization modules.
Our technical experts are ready to provide detailed answers and customized solutions for your specific requirements.
