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In the modern commercial HVAC landscape, the Four Pipe Fan Coil Unit (FCU) represents the pinnacle of localized environmental control. Unlike traditional two-pipe systems, a four-pipe configuration utilizes separate heating and cooling coils with dedicated supply and return pipes. This enables simultaneous heating and cooling across different zones within the same building, providing unparalleled comfort for luxury hotels, premium office spaces, and high-tech medical facilities.
Our units are engineered for high-precision thermal exchange. By integrating with advanced DC Inverter Heat Pumps (as showcased in our product line), the 4-pipe system optimizes energy consumption by eliminating the "seasonal changeover" lag found in 2-pipe systems. This ensures that a building can provide cooling to a sun-drenched south-facing room while simultaneously heating a shaded north-facing conference room.
Sourcing from a leading China-based manufacturer like Guangdong Retro Pumps Co., Ltd. offers significant strategic advantages. With our headquarters in the Foshan HVAC cluster, we leverage an integrated supply chain—from high-grade copper coil fabrication to intelligent PCB assembly—ensuring a lower TCO (Total Cost of Ownership) without compromising on Tier-1 quality standards.
Guangdong Retro Pumps Co., Ltd. is a professional technology enterprise specializing in the research, development, manufacturing, and sales of advanced heat pump systems. The company is dedicated to creating sustainable and eco-friendly living environments by delivering energy-efficient, intelligent, and low-carbon heating and cooling solutions to global customers.
Founded in 2022 and headquartered in Foshan, Guangdong Province, Retro Pumps has rapidly developed into a modern and innovative manufacturer. The company is equipped with state-of-the-art facilities, including advanced water system laboratories, environmental simulation testing rooms, and comprehensive supporting production units.
Full CE, RoHS, and ErP compliance. Optimized for R290 and R32 low-GWP refrigerants to meet F-Gas regulations.
UL standards alignment and AHRI performance certification support for high-efficiency commercial retrofits.
T3 ambient temperature designs capable of maintaining performance in 50°C+ conditions with anti-corrosive coatings.
Adaptive voltage designs (50/60Hz) and compact footprints for high-density urban developments in Singapore and HK.
Founded & Rapid Scaling
Global Export Markets
Energy Efficiency Rating
Technical Support
The next generation of 4-pipe FCUs features Predictive Maintenance and AI-driven load balancing. By analyzing occupancy data, the system adjusts flow rates in real-time, reducing operational costs by up to 30%.
Ultra-quiet operation (as low as 19dB) is becoming the industry benchmark. Our units utilize BLDC (Brushless DC) motors to achieve silent performance suitable for high-end residential "Passive House" projects.
The shift from gas boilers to Air Source Heat Pumps as the primary hydronic source for 4-pipe systems is accelerating global efforts toward Net-Zero buildings.
Individualized guest comfort with instant heating/cooling toggle.
Precise sensible heat removal for server rack stability.
HEPA filtration integration with 4-pipe zone control.
Modbus/BacNet compatible units for BMS integration.
As a professional heat pump supplier and service provider, Retro Pumps is committed to delivering low-carbon, intelligent, and high-efficiency products while building long-term partnerships with customers worldwide.
To collaboratively create eco-friendly living environments and contribute to a greener, more sustainable future through innovative thermal energy solutions.
Innovation, Quality, Sustainability, and Customer-Centric Service. Striving to become a trusted global brand in the heat pump industry.
Retro Pumps