Portable Water Chillers Industrial
1.It can operate stably in an ultra-low temperature environment of -35℃
2. Precise frost measurement, rapid defrosting, reduced defrosting frequency, and shortened defrosting time
3. Mobile APP operation, fault warning, and online diagnosis
4. It operates efficiently within an ultra-wide ambient temperature range of -35℃ to 43℃
5. COPh > 2.6 exceeds the national standard energy efficiency limit value, and IPLV(H) exceeds the national standard first-level energy efficiency
GRAD Air Source Heat Pump: Smart, Efficient, and Versatile
The GRAD air source heat pump features an innovative NB-IoT remote control module, enabling smartphone app operation, fault alerts, and online diagnostics—no on-site personnel needed. It operates efficiently in extreme temperatures (-30°C to 43°C) and delivers hot water up to 60°C, compatible with radiators, underfloor heating, and central air systems.
Patented intelligent defrosting technology minimizes frost buildup, reducing defrost frequency and downtime. Additional advantages include:
Modular design for customizable solutions
Space-saving (no dedicated machine room)
Eco-friendly & energy-efficient
Quiet, high-performance operation
Broad applicability for diverse heating/cooling needs
Product Advantages
1. Lower Initial Investment
✅ No machine room needed – Installed outdoors, saving space and construction costs.
✅ No cooling towers, wells, or buried pipes – Reduces installation complexity and upfront expenses.
2. Energy Efficient & Eco-Friendly
⚡ 75% lower electricity costs vs. electric heating.
🌿 Zero emissions – No combustion, no fumes, no fire hazards.
3. Extreme Climate Performance
❄️ Heats reliably at -35°C & cools efficiently up to 48°C – Ideal for harsh environments.
🔄 Wide model range – Customizable solutions for diverse needs.
4. Smart, Automated Control
📱 Remote monitoring & adjustment – No on-site staff required, cutting labor costs.
5. Reliable & Safe Operation
🛡️ Multiple protection systems – Real-time fault detection and alerts for uninterrupted performance.
Ideal for: Homes, businesses, and industrial applications seeking cost-effective, low-maintenance, and high-efficiency heating/cooling.
About us
Establised in 1993, GRAD Group covers an area of 1.15 million square meters and has more than 2,000 employees, with an annual output value of nearly 4 billion yuan. GRAD Group's main business: central air conditioning chiller and terminal products, FRP water tank, FRP winding pipe, FRP storage tank, wind turbine cabin cover, environmental protection equipment, and other more than 130 varieties. GRAD Group is the pillar enterprise of the “Dezhou Central Air-Conditioning City” named by the China Refrigeration and Air-Conditioning Industry Association. It ranks the top 10 among central air-conditioning enterprises in the country, The top 3 composite material enterprises，and gets the first-class qualification for the installation of national electromechanical equipment and the second-class qualification for air purification engineering. GRAD Group can undertake central air conditioning engineering, purification engineering construction.
GRAD sales network covers over 100 countries and regions like America, Australia Indonesia, Malaysia, UAE, Thailand, Nigeria etc and has established branch company in USA, and set up offices in Cambodia and Thailand to make overall layout of global market.
Express and payment
1. Packing: Standard Export Carton Packing or plywood package.
2. Delivery Day: 20 days after deposit is confirmed.
3. Delivery Term: FOB,CIF,CFR or EXW are welcomed.
4. Payment Term: T/T,30% deposit,70% before delivery or 100% Irrevocable L/C at sight.
5. Warranty: Warranty for 12 months from the date of shipment from the factory.
6. Payment Currency: USD,EUR or CNY.
7. For sample or small quantity one or two, We suggest Express DHL etc.
