Modular Chiller
1. No Equipment Room Required, Lower Initial Cost
Direct outdoor installation with no need for a machine room, cooling tower, wells, or buried pipes—significantly reduces upfront investment.
2. High Efficiency & Energy Saving
Consumes 75% less electricity than electric heating. No combustion, no emissions, no explosion risks—safe and eco-friendly.
3. Modular & Flexible Design
Supports up to 16 units for easy capacity expansion and phased investment—ideal for projects of all sizes.
4. Wide Operating Range
Stable performance in ambient temperatures from -30℃ to 48℃, suitable for diverse climate conditions.
5. Smart Control, No Manual Monitoring
Intelligent system auto-adjusts output based on real-time load, reducing labor costs and simplifying management.
6. Reliable & Protected Operation
Soft-start modular design reduces grid impact. Multiple safety protections with real-time fault alarms ensure reliable performance.
Air source heat pump is a kind of energy-saving device that can make the heat flow from the low heat source air to the high heat source.
GRAD air source heat pump/chiller has accumulated nearly two decades of engineering practical application experience,condensed the essence of design,manufacturing and application,the unit has a number of core technologies such as low temperature and strong heat,multiple antifreeze,intelligent defrosting,intelligent control,high operational reliability,wide operating range,product diversity,Widely used in hotels,shopping malls,office buildings, exhibition halls, airports,stadiums and other public places,and it can meet the electronic,pharmaceutical,biological, light textile,chemical industry,metallurgy,electric power,machinery and other industries of technology on the different use of air conditioning system requirements.
Air-cooled modular cold (hot) water unit
● The use of electronic expansion valve intelligent adjustment of refrigerant flow, more accurate control, more reliable unit operation.
● The use of environmental protection R410A refrigerant, wide operating range, refrigeration operating environment temperature of 18 ~ 48℃, heating operating environment temperature range of -15 ~ 25℃, applicable to a wider range of areas.
Low ambient temperature air source heat pump/chiller
● Adopt the internationally leading EVI air jet high-efficiency compressor with turbine direct injection enthalpy, quasi-two-stage compression, the medium pressure gas supplement, increase the suction capacity of the compressor, improve the heating efficiency.
● The main valve and auxiliary valve are all intelligently and accurately adjusted by electronic expansion valve, and the refrigerant flow control is more accurate, improving the reliability and heat transfer efficiency of the unit.
● It can operate stably at -30℃ temperature, and is an ideal product for replacing boilers for heating in northern winter.
●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.
Air source heat pump unit outline diagram and basic diagram
About us
GRAD’s sales network covers more than 100 countries and regions, including the United States, Australia, Indonesia, Malaysia, the UAE, Thailand, Nigeria, and others. The company has established a branch in the USA and set up offices in Cambodia and Thailand to support its comprehensive global market strategy.
Manufacturer:Shandong GRAD Group Co.,Ltd.
Established Time:1993
Covers an area of:700,000sqm
Main products:Central air conditioners,ventilators ,GRP Composite material products,Environment protection products
Employment : 2500+ employees
Registered capital: ￥ 100 million
Equipment price : ￥370 million
Total capital :￥ 925 million
Annual output value: ￥over 3 billion
Design team:300+
Overseas offices:
1. Thailand and Cambodia offices
2. USA branch company
FAQ
Q1: Where is your loading port?
A: Our main loading ports are Qingdao, Shanghai, and Tianjin in China. Other ports can be arranged according to your requirements.
Q2: What are your company’s main products?
A: We specialize in central air-conditioning systems, ventilation equipment, and GRP (Glass Reinforced Plastic) composite material products.
Q3: What is the minimum order quantity (MOQ)?
A: The MOQ is 1 piece, but it may vary depending on specific product requirements.
Q4: What are your payment terms?
A: We accept T/T and L/C.
Q5: Where is your factory located?
A: Our factory is located in Dezhou, Shandong Province. It’s about 1 hour from Beijing and 4 hours from Shanghai by high-speed train. The nearest airport is Jinan Yaoqiang International Airport.
