Heating and Cooling Near Me
1.The heat exchange efficiency is increased by 10%, the refrigerant charge is reduced by 27%, and the volume of the unit can be effectively reduced by more than 20%
2. Remote intelligent services
3. Applicable to multiple scenarios and working conditions
4. Low operation and maintenance costs
5. The falling film evaporation technology has been granted a national patent
Heating and Cooling Near Me
Energy Efficient & Reliable – Core Technologies Redefining Performance
4 Core Technologies for Superior Performance
Real-Time Flow Control – Boosts energy efficiency by 10%
Patented Falling Film Evaporation – 10% higher heat exchange, 27% less refrigerant charge, 20% more compact design
High-Efficiency Oil Separation – 3-stage separation ensures stable, oil-free operation
IoT Remote Monitoring – Real-time diagnostics & fast troubleshooting for worry-free maintenance
Patented Falling Film Tech – Smarter Energy Savings
Features our national patented falling film evaporation (Patent No. ZL201520313780.5), ensuring uniform refrigerant distribution for maximum heat transfer efficiency in a smaller footprint.
Stable & Durable Operation
GRAD’s patented oil separation system uses collision, gravity, and filtration to eliminate oil carryover, preventing liquid slugging and ensuring long-term reliability.
Wide-Ranging Applications
Comfort Cooling: Shopping malls, hotels, offices, airports, stadiums
Process Cooling: Electronics, pharmaceuticals, chemicals, power, machinery
Smart Remote Services – Proactive Support
24/7 IoT monitoring enables instant fault detection and rapid response for seamless operation.

Shandong GRAD Group is a large modern enterprise with over two decades history. Our business started in 1993, with staff of over 2200, we are focus on R&D, production, marketing, installation and maintenance for central air conditioning system and G R P composite material products. We are committed to providing customers with one-stop central air-conditioning and FRP composite material product solutions.
For central air conditioning products, we have production facility covering 450000 sqm, we can offer products for the whole system including chillers, heat pumps, cooling towers, A H U s, F C U s and ventilation products. To better participate international project, we have C T I, C E, A H R I certificates to guarantee our products quality.
For G R P composite material products, we have production facility covering 700000 sqm. With its feature of light weight, high strength, anti-corrosion and long service life, the G R P products are ideal replacement for steel products. We can offer process like vacuum injection, G R P winding, S M C mould pressing, molding pultrusion and hand paste. Based on different process, we can offer clients customized products.
GRAD international business starts in 2009, now its products have been exported to 100 countries and regions.
GRAD, as a flagship enterprise in central air conditioner and G R P composite material products industry, is dedicated to be a one-stop supplier for global purchasing agents.








