highlights
Industrial-Grade Hot Water, Smarter and Greener — AirProz Commercial Hot Water Heat Pump
High
Capacity
Reliable Operation
Smart
Control
Energy
Efficient
What Is the AirProz Commercial Hot Water Heat Pump?
The AirProz AT Series is a high-efficiency commercial hot water heat pump engineered for large-scale hot water demand. Available in five models from 18kW to 47kW, it delivers water temperatures up to 60°C with a COP of up to 4.34, making it a reliable commercial heat pump water heater for hotel projects, factories, schools, and more. Built with R410A refrigerant and a smart full-automatic controller, it operates across an ambient range of -15°C to 43°C — no manual intervention required.
AirProz delivers proven heat pump water heater energy savings through industry-leading COP performance — using as little as 4.2kW input to generate 18kW of heat output. Every unit ships factory-direct with full quality control, multi-protection safety systems, and RS485/Modbus smart connectivity. Backed by years of commercial project experience, AirProz supports OEM, ODM, and private-label programs. For buyers seeking reliable energy-efficient hot water solutions, AirProz is a trusted manufacturing partner. Learn more about heat pump efficiency standards at ENERGY STAR.
Benefits
Top COP
COP up to 4.34 for maximum energy efficiency.
Modbus Ready
RS485 mainboard enables full BMS integration.
Auto Control
Smart controller runs without manual operation.
Wide Range
Operates reliably from -15°C to 43°C ambient.
Hot Water
Delivers high water temperature up to 60°C.
Multi-Guard
Six built-in protections ensure stable operation.
Heat Any Type of Space:
- Hotels & Resorts
- Hospitals & Clinics
- Office Buildings
- Schools & Universities
- Industrial Facilities
- Shopping Malls
- Apartments
- Sports Centers & Gyms
- Wellness Centers
- Restaurants & Cafeterias
- Laundry Facilities
- Public Bathhouses & Spas
- Government Buildings
- Transportation Hubs
- Green Buildings
- Cold Climate Zones
Great customer reviews
The AirProz AT Series is designed for straightforward commercial installation. All models run on 380–415V / 3-phase / 50Hz power supply. Water connections range from male 25mm (AT-019K / AT-022K) to female 32mm (AT-032K / AT-038K) and male 40mm (AT-045K). Units can be installed outdoors within the specified ambient range. The RS485 port allows seamless integration with existing building management systems via Modbus protocol. For large projects, multiple units can be cascaded to meet higher capacity demands. Always refer to the installation manual and consult a qualified HVAC engineer before commissioning.
Installation
At AirProz, we believe in one mission — Innovating Comfort, Accelerating the Energy Transition. Every system we deliver is built upon this vision: combining advanced technology, reliable performance, and everyday comfort for homes and businesses around the world.
Our products are developed in partnership with some of the most experienced and trusted HVAC manufacturers in the industry.
Through rigorous testing and continuous innovation, we ensure that every AirProz solution meets the highest standards of efficiency, durability, and design.
From cooling to heating, we are redefining how comfort is created and sustained — making clean energy not just a choice, but the new standard.
AirProz Commercial Heat Pump Water Heater
Large Capacity-This large capacity commercial heat pump water heater covers 18kW–47kW output range.
Dual Compressor-AT-032K and AT-038K feature dual compressors for redundancy.-
Low Noise-Noise level as low as ≤57dB for quiet commercial environments.
Eco Refrigerant-Uses R410A refrigerant for environmentally responsible operation.
High Flow-Water flow volume up to 9,500 L/h meets high-demand applications.
specs
System Information
| Model No. | AT-019K | AT-022K | AT-032K | AT-038K | AT-045K |
| Power Supply | 380~415V/3/50Hz | ||||
| Heating Capacity (KW) | 18.00 | 22.00 | 32.00 | 38.00 | 47.00 |
| Rated Input Power (KW) | 4.20 | 5.15 | 7.40 | 8.75 | 10.82 |
| Rated Current (A) | 7.51 | 9.21 | 13.51 | 15.64 | 19.34 |
| COP | 4.29 | 4.27 | 4.32 | 4.34 | 4.34 |
| Max Power Input(kW) | 7.20 | 8.70 | 12.00 | 13.90 | 16.23 |
| Max Current(A) | 12.90 | 15.60 | 21.60 | 24.85 | 29.01 |
| Water flow volume(L/h) | 4000 | 4500 | 6900 | 8000 | 9500 |
| Water Pressure Drop(kPa) | 50 | 50 | 60 | 60 | 65 |
| Compressor qty. | 1 | 1 | 2 | 2 | 1 |
| Fan motor qty. | 1 | 1 | 2 | 2 | 1 |
| Dimensions(L*W*H)(mm） | 752*691*1000 | 752*691*1000 | 1410*748*1000 | 1410*748*1000 | 1250*1076*1870 |
| Noise(dB) | ≤57 | ≤57 | ≤59 | ≤59 | ≤65 |
| Net Weight(kg) | 155 | 155 | 259 | 259 | 450 |
| Water connection(mm) | male 25 | male 25 | female 32 | female 32 | male 40 |
| Gross Weight(kg) | 163 | 163 | 269 | 269 | 462 |
| Packing Dimensions(L*W*H)(mm） | 792*741*1151 | 792*741*1151 | 1460*798*1151 | 1460*798*1151 | 1250*1076*1870 |
Features
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