Address
304 North Cardinal St.
Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM

Advantage 3: Refrigerant Pump Energy-Saving Solution
Refrigerant pump free-cooling unit as standard across the entire series



Dual Power Engines
Inverter Compressor Drive Mode: Grade 1 energy efficiency
Hybrid Drive Mode (Inverter Compressor + Refrigerant Pump): Higher than Grade 1 energy efficiency
Pure Refrigerant Pump Drive Mode: Far exceeding Grade 1 energy efficiency

High Efficiency and Energy Savings
From the south to the north China, energy savings gradually increase, leading to a higher return on investment Nationwide Adoption
CoolFree products have expanded from the Yellow River Basin to the Pearl River Basin
5.5kW~22.5kW

Unit Performance Advantages
Highly Integrated Design — “Dual Engines, Three Modes”
The refrigerant pump and condenser are combined into a single unit, achieving a high degree of integration

Unit Efficiency Advantages
Ultra-high operating Energy Efficiency Ratio (EER) with excellent performance throughout the year.
Fully inverter-driven refrigerant pump with power consumption ≤ 200W, representing the industry’s best.
All models come standard with the environmentally friendly refrigerant R410A.
27kW/32kW

Fully sealed metal-welded refrigerant circulation pump with no sealing components, ensuring zero leakage
Intelligent monitoring of all energy-saving circulation parameters provides a clear view of unit status at all times, ensuring more reliable operation
Highly integrated design features the industry’s most compact refrigerant pump module, allowing more flexible installation
Unit Performance Advantages
Applicable across an ultra-wide range of system resistances, with adaptive adjustment of pump head for smarter unit operation
New-generation stepless variable capacity control technology delivers higher system energy efficiency; the refrigerant pump module consumes less than 300W in energy-saving circulation mode, representing the industry’s best performance
Fully sealed metal-welded refrigerant circulation pump with no sealing components, ensuring zero leakage
Intelligent monitoring of all energy-saving circulation parameters provides a clear view of unit status at all times, ensuring more reliable operation
Highly integrated design features the industry’s most compact refrigerant pump module, allowing more flexible installation
Advantage 4: Intelligent Control





7-inch touchscreen with graphical interface — user-friendly
Self-developed and self-manufactured, ensuring information security
Stores up to 500 alarm records
Coordinated inverter components for intelligent, precise control
Cooling Factor (CLF) for optimized energy efficiency
Carbon emission data — carbon reduction targets at a glance
Early-warning management of refrigerant shortage
Optional 16 energy-saving cards for even better energy performance
Advantage 5: High-Quality Components
PTC Electric Heater
Dual protection of temperature and current
Self-feedback temperature regulation
Hot-swappable replacement for easy maintenance
Far-Infrared Humidifier
Long service life and fast humidification rate
Stronger adaptability to water quality
Compliant with China’s mandatory CCC certification
Advantage 6: Flexible Design

Maintenance Time-Saving
Brand-new indoor/outdoor unit appearance, blending practicality with a modern tech aesthetic
15% larger return air inlet area on the indoor side
Full front-side maintenance — washable filters and removable major components
Easy Installation
5.5 kW–22.5 kW units come pre-charged with refrigerant and fitted with quick connectors
Built-in low-ambient components, universal for outdoor units — simpler installation
Space-Saving Layout
5.5 kW–22.5 kW: fluorine pump and condenser combined in one unit for a high level of integration
Compact outdoor unit design saves installation space

