Your Professional Air To Water Heat Pump Supplier
Zhejiang CEN New Energy Stock Co., Ltd. was established in 2001 and specializes in heat pump water heating solutions. With integrated R&D, manufacturing, and sales, we provide reliable heat pump controllers, water heaters, and tanks for residential and engineering markets worldwide.
Proven Industry Experience
With over 20 years of experience in thermal control and heat pump technology, we have long ranked among the top suppliers of solar water heater controllers in China, ensuring stable quality and mature engineering capability.
Complete In-House Manufacturing System
We operate our own heat pump, control system, and water tank production lines, supported by a 50,000 m² factory. This vertical integration allows consistent quality control, reliable delivery, and flexible project support.
Certified Products and Professional Testing
Our heat pump products are CE certified by TUV and tested in a GMP-certified laboratory, covering 1HP–30HP units under extreme temperatures from -30°C to 52°C, meeting the performance and safety expectations of global markets.
Parameter
|
Model |
DCI03PS-H3DS |
DCI05PS-H5DS |
DCI06PS-H5DS |
DCI08P-H8DS |
|
|
Power supply |
V/ Hz |
220V/50Hz |
380V/50Hz |
||
|
Dry/Wet bulb: 7/6℃; Water inlet/outlet: 35/40℃ |
|||||
|
Heating capacity |
kW |
10.50 |
14.71 |
16.23 |
20.20 |
|
Input power |
kW |
2.15 |
3.13 |
3.51 |
4.33 |
|
COP |
/ |
4.88 |
4.70 |
4.63 |
4.66 |
|
Dry/Wet bulb: 7/6℃; Water inlet/outlet: 45/50℃ |
|||||
|
Heating capacity |
kW |
10.60 |
14.89 |
15.97 |
20.00 |
|
Input power |
kW |
2.79 |
4.01 |
4.63 |
6.05 |
|
COP |
/ |
3.80 |
3.71 |
3.45 |
3.31 |
|
Dry/Wet bulb: 7/6℃; Water inlet/outlet: 47/55℃ |
|||||
|
Heating capacity |
kW |
10.15 |
13.60 |
15.25 |
19.64 |
|
Input power |
kW |
3.39 |
4.26 |
5.00 |
6.34 |
|
COP |
/ |
2.99 |
3.19 |
3.05 |
3.10 |
|
Dry/Wet bulb: -7/-8℃; Water inlet/outlet: 30/35℃ |
|||||
|
Heating capacity |
kW |
7.58 |
12.12 |
14.48 |
16.51 |
|
Input power |
kW |
2.32 |
3.66 |
4.52 |
5.25 |
|
COP |
/ |
3.27 |
3.32 |
3.20 |
3.15 |
|
Dry/Wet bulb: -20/-21℃; Water inlet/outlet: 30/35℃ |
|||||
|
Heating capacity |
kW |
4.51 |
7.32 |
8.47 |
10.45 |
|
Input power |
kW |
2.19 |
3.26 |
3.85 |
4.85 |
|
COP |
/ |
2.06 |
2.25 |
2.20 |
2.16 |
|
Dry/Wet bulb: 35/24℃; Water inlet/outlet: 23/18℃ |
|||||
|
Cooling capacity |
kW |
10.40 |
14.93 |
16.17 |
20.17 |
|
Input power |
kW |
2.35 |
3.51 |
4.10 |
5.03 |
|
EER |
/ |
4.43 |
4.25 |
3.94 |
4.01 |
Types of Air To Water Heat Pump
The air to water heat pumps produced by our company mainly include the following types
01
Inverter Heat Pump
Inverter heat pump is a highly efficient HVAC system with a variable-speed compressor that adjusts its output (like a dimmer switch) to precisely match heating or cooling needs, rather than just turning fully on or off like traditional systems, resulting in consistent temperatures, quieter operation, and significant energy savings by avoiding wasteful start/stop cycles.
02
DHW Heat Pump
DHW pump (Domestic Hot Water pump) is a device that circulates hot water in a building's plumbing system, either for instant hot water at fixtures (recirculation pumps) or as part of an energy-efficient system that heats water using ambient air (DHW heat pumps).
03
Commercial Heat Pump
Commercial heat pump is an all-in-one HVAC system for businesses that heats and cools by moving heat using refrigerant, acting like an air conditioner in reverse for heating. These energy-efficient systems use electricity to transfer heat from outside (air, ground, or water) indoors for warmth and reverse the process to cool inside spaces.

Energy Efficiency
Air-to-water heat pumps are highly energy efficient. They can deliver several units of heat energy for each unit of electricity consumed. By utilizing the ambient heat from the outdoor air, they provide a more efficient heating method compared to traditional heating systems.
Renewable Heating Source
Air-to-water heat pumps utilize the heat energy naturally present in the outdoor air, which is a renewable resource. Unlike fossil fuel-based heating systems, heat pumps do not rely on depleting resources and contribute to reducing greenhouse gas emissions.
Versatility
Air-to-water heat pumps can provide both space heating and domestic hot water. They can be used for underfloor heating, radiators, fan coil units or even for heating swimming pools. They offer flexibility in meeting various heating needs within residential, commercial and industrial settings.
Reduced Operating Costs
With their high energy efficiency, air-to-water heat pumps can help lower heating costs compared to traditional systems. Although the initial installation cost may be higher than traditional heating systems, the long-term savings in energy bills can outweigh the upfront investment.
Environmentally Friendly
Air-to-water heat pumps have a lower carbon footprint compared to fossil fuel-based heating systems. By using renewable heat energy from the air, they reduce reliance on non-renewable energy sources and contribute to lower greenhouse gas emissions, promoting environmental sustainability.
Long Lifespan
Heat pumps are known for their durability and long lifespan. With proper maintenance and care, an air-to-water heat pump can provide reliable heating for many years, offering a sustainable heating solution.
Easy Installation
Air-to-water heat pumps are relatively easy to install, especially in retrofit situations. They do not require the addition of extensive ductwork or fuel storage systems, making them suitable for a variety of buildings and applications.
Applications of Air To Water Heat Pump
In Modern Homes
● Home Heating: Air-to-water heat pumps are perfect for heating your home during cold winters. Not only are they great at heating, but they also reduce your energy costs. These systems are designed with smart control features that allow you to change the heat intensity and other features.
● Hot Water Supply: Imagine having to bathe in cold water during the winter. You certainly wouldn’t want to experience that. Thankfully, you don’t have to if you have hot water heat pump.
● Underfloor Heating and Cooling: As many homes transition from radiators to underfloor heating, air-to-water heat pumps are ideal with this design. Compared to radiator heating, this modern method is more comfortable and doesn’t take up space in your home, and can even provide radiant floor cooling.
In Businesses and Industries
● Hot Water Supply: Commercial buildings like hotels that require large amounts of hot water for guests and daily operations often use air-to-water heat pumps. This capability is crucial in industries like textile dyeing and food processing that require lots of hot water. These systems are advantageous because they can produce a large amount of hot water at a low cost.
● Commercial Heating – Heat pumps are ideal for industrial buildings that primarily use radiant floor heating. Adding multiple heat pumps is the most cost-effective means to heat large building, built on slabs with in-floor radiant piping.

- Ensure proper insulation in your home to minimize heat loss by working.
- Set the thermostat to the most comfortable yet energy-efficient temperature.
- Regularly replace air filters to maintain good airflow.
- Keep the outdoor unit clear of debris and vegetation for optimal airflow.
- Consider installing a programmable thermostat to optimize heating and cooling schedules.
- Clean out sediment from water storage tanks every 2 years. (need to determine timing)
- Ensure to use an antifreeze solution is being used within your system.
Ordering Process
- Please tell us the model with quantity and other requirement which you needed.
- We issue the Proforma Invoice to you after confirmed the price and other details.
- We arrange the order production upon receipt of confirmed PI and your deposit.
- After the goods is ready, we will inform you the shipment date and other informations by email at the same time.
Packaging and Shipping
|
Packaging |
Corrugated Box |
|
Shipping |
Shipping by sea, by air, by express are acceptable. According to your requirements. |
Our Factory
Zhejiang CEN New Energy Stock Co., Ltd. was established in year 2001, in the early time, the company mainly produces solar water heater controllers and other related products.In 2009,General Manager Xia Qing decided to transform the product,especially set up the heat pump department.


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As one of the most professional air to water heat pump manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale cheap air to water heat pump from our factory. For custom service, contact us now.






