Air Cooled Pump
Product Advantages
- Low upfront cost, no machine room requiredOutdoor direct installation; eliminates machine room, cooling tower, well drilling and buried piping, cutting initial investment greatly.
- Energy-efficient, eco-friendly & safeSaves 75% power vs electric heating; no combustion or waste gas unlike conventional boilers, free of fire & explosion hazards.
- Modular assembly, flexible capacity expansionUp to 16 modules combinable to match varying building loads; supports phased investment and easy later capacity upgrade.
- Wide working temperature, strong adaptabilityStable heating at -30℃~25℃ and reliable cooling at -30℃~48℃ ambient temperature.
- Full intelligent control, unattended operationReal-time running monitoring & automatic load-based capacity regulation; no on-site attendant needed to save labor cost.
- Multi-protection design for dependable operationGraded startup lowers grid current impact; multi-protection with automatic real-time fault alarm.
Air Cooled Pump
Air source heat pumps transfer heat from low-temperature ambient air to high-temperature sides for energy conservation.
Backed by nearly 20 years of project experience, GRAD air source heat pumps & chillers integrate mature design and manufacturing technologies featuring low-temperature high-capacity heating, multi-layer anti-freezing, intelligent defrosting and smart control. Boasting stable performance, wide working conditions and diversified models, our products serve public facilities including hotels, malls, offices, exhibition centers, airports and stadiums, as well as electronics, pharmaceutical, textile, chemical, metallurgical, power and machinery industries for customized air-conditioning demands.
Heat pump unit
●Offering hot water for all the year, compared with solar energy, not affected by environmental weather, it can also make hot water in rainy days, hot water temperature 30-60 adjustable;
●Two series of various specifications for customers to choose, suitable for customers in different regions.
● Normal ambient temperature (-15-48)
● Low temperature applicable ambient temperature (-30-48)
● Anti-corrosion and anti-rust heat exchanger, long-term use can ensure good water quality
●Suitable for hotels, bathing centers, schools, hospitals, families, enterprises and institutions that need central heating water.
About us
Shandong GRAD Group is a leading modern industrial group with more than 30 years of heritage since our founding in 1993. Employing over 1,500 people, we specialize in the R&D, manufacturing, sales, installation and after-sales service of central air conditioning systems and FRP composite solutions. We are dedicated to delivering integrated one-stop solutions to customers worldwide.
Central Air Conditioning Division
Our air conditioning production base covers 450,000 ㎡, enabling us to provide a full-system product portfolio including:
Water chillers & heat pumps
Cooling towers
Air handling units (AHUs)
Fan coil units (FCUs)
Ventilation equipment
To support global projects, our products hold internationally recognized certifications: CTI, CE, AHRI, ensuring consistent quality and compliance with global standards.
FRP Composite Division
Our FRP production facility spans 700,000 ㎡.
FRP composites deliver light weight, high strength, excellent corrosion resistance and long service life, making them a superior alternative to traditional steel.
We offer advanced manufacturing processes:
Vacuum infusion
Filament winding
SMC compression molding
Pultrusion
Hand lay-up
With these capabilities, we provide full customization to meet client specifications.
Global Reach
GRAD began international operations in 2009. Today, our products are exported to 100 countries and regions across the globe.
As a flagship enterprise in the air conditioning and FRP composites industry, GRAD is committed to being your trusted one-stop partner for global procurement.






