Sun-Ice Energy offers three ACTIVE PCM thermal storage unit series—wall column, window, and ceiling units—with airflow ranging from 53 m³/h to 225 m³/h (high speed) and nominal cooling capacities from 670W to 1075W.

Designed for flexibility, these units can be customized to meet specific requirements and associated in “daisy chain” to adapt to the room size.

• Energy Efficiency: unit total thermal storage capacity ranging from 1.73KWh to 3.75KWh
• Environmental Sustainability: eliminate health risks of indoor refrigerant leaks
• Versatile Installation: units can be positioned depending on different building structures
• Intelligent Control: to be used with the matching room controller which could achieve ±0.5℃ room temperature regulation
• Widely Use: to be fully compatible with standard 7℃ chilled water network and chillers.

Core PCM Specifications:

• High Energy Density: Stores 250 kJ/kg (68 Wh/kg) of thermal energy.
• Custom Phase Change Temperature: Anywhere between -40°C to +30°C for application-specific design.
• Exceptional Longevity: Service life of 50 years.
• Safe & Sustainable: Non-toxic, harmless, non-flammable, and fully recyclable.
• Extreme Cost Advantage: 1/20th the lifetime cost of equivalent lithium-ion electrical storage

Key Takeaway: This combination of high density, temperature-specific customization, longevity, and low cost is what enables our PCM Thermal Storage Units to be the practical, scalable core of a 24/7 renewable cooling system.

PCM Mass: 33.8 kg per unit

Storage Capacity: 2.3 kWh of cooling capacity per unit

Design: Modular terminal unit for integration into building HVAC systems.

Three type of PCM energy storage units

Engineered for a Superior Indoor Environment:

High Comfort Level: Consistent temperature and humidity.
Quiet Operation: Minimal acoustic disturbance.
Gentle Breeze Air Delivery: Draft-free, natural convection.
24-Hour Temperature Control: Powered by stored renewable energy.
Automatic Humidity Control: Integrated moisture management prevents mould and condensation.

Key Installation Guideline:

Optimal Sensor Placement: Install the control panel sensor at human height (1.1–1.3m) to reflect perceived occupant temperature accurately.

ICE WALL is based on a water-based phase change technology, freezing at 0°C to efficiently store and discharge thermal energy as required. Engineered in high-performance insulated energy storage boxes and complemented with an “ice box”.

• Energy Efficiency: ice wall thermal storage capacity ranging from 5.76 kWh to 34.56 kWh
• Environmental Sustainability: eliminate health risks of indoor refrigerant leaks
• Low Temperature Performance: ice wall can be easily used in low-temperature working conditions
• Intelligent Control: to be used with the matching room controller which could achieve ±0.5℃ room temperature regulation
• Widely Use: to be fully compatible with standard FCU