This air to water heat pump is published with the manufacturer’s full specification — 220V~Inverter, 8.5KW/12.5KW. Made by Nulite New Energy (guangzhou) Co., Ltd. (7 years on the platform, typical reply ≤1h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Air To Water Heat Pump
- Model Number: NL-B245II/R32
- Power Source: Electric
- Voltage: 220V~Inverter
- Heating Capacity: 8.5KW/12.5KW
- Housing Material: Stainless Steel
- Refrigerant: R32/R290
Technical Specifications
| Type | Air Source Heat Pump |
|---|---|
| Heating Capacity | 8.5KW/12.5KW |
| Energy Efficiency Rating | Class A+++ |
| Application | Hotel, Household, Outdoor, Commercial, Restaurant |
| Refrigerant | R32/R290 |
| Storage / Tankless | Instant / Tankless |
| Compressor | Scroll Compressor |
| Installation | Freestanding |
| App-Controlled | Yes |
| Housing Material | Stainless Steel |
| Feature | Easy Installation, Easy Operation, Energy-Saving, High Efficiency |
| Power Source | Electric |
| Warranty | 2 Years |
| After-Sales Service Provided | Free Spare Parts |
| Operating Language | English |
| Private Mold | Yes |
| Packaging Types | Corrugated Box |
| Place Of Origin | Guangdong, China |
| Brand | NULITE |
| Model Number | NL-B245II/R32 |
| Function | House Heating/ Hot Water |
| Voltage | 220V~Inverter |
| Working Ambient Temperature | Minus -25C – 46C |
| Sound Level | <55dB |
| Controller | wired controller(WiFi supported) |
| Net / Gross Weight | 120KG /145KG |
| Max Hot Water Temperature | 60°C |
| Selling Units | Single item |
| Single Package Size | 90X35X125 cm |
| Single Gross Weight | 90.0 kg |
Product Details




2. Providing different sizes of heating power: 3.0~8.5kw, 5.0~12.5kw
3. Rated heating capacity: 2kw, 3.3kw.
environmental-friendly.
5. Core components are offered by the world famous brands.
7. Extra powerful from the 2 kw electric heater.
8. Certifications: ISO9001, CE, CB, 35℃A+++/ 55℃A++ erP etc..
9. Providing OEM customization.






Saving your energy: input power is changed with the exterior context.


Double DC fans make them possible: keep the low noise and improve the air intake efficiency simultaneously.


Straightforward panel interface: Using iconic to illustrate features which is beneficial to fasting learning of how to control the heat pump especially for the elderly.
With RS485 interface: Realize the communication externally.






Unit | NL-B245II/R32 | NL-B345II/R32 | ||
Rated heating capacity | KW | 3.0~8.5 | 5.0~12.5 | |
Rated hot water capacity | KW | 3.0~8.0 | 5.0~12.0 | |
Rated cooling capacity | KW | 2.5~5.0 | 4.0~7.0 | |
Heating power consumption | KW | 1.0~2.0 | 1.0~3.3 | |
Voltage | V/Hz | 220V-240V – Inverter- 1N | ||
Refrigerant | / | R32 | ||
Rated heating water temperature | °C | Hot water: 55℃ / Heating:45℃ / Cooling:12℃ | ||
Operation ambient temperature | °C | (-25℃ — 43℃) | ||
Pipe diameter | mm | DN20 | ||
WI-FI function | / | √ | ||
ErP Energy class | 35℃A+++/ 55℃A++ | |||






Custom Service | Sorts of punches make us available to meet the requirements of OEM of our clients. That means distributors are able to order different appearances of heat pumps through our custom service. | ||||||
Assembling | Heat pump assembly begins at Nulite manufacturing after finishing collecting the components which are from renowned brand. | ||||||
Automatic Refrigerant Charging | R32, R290, R134A, R410A, R407C etc., are filled into the heat pump after being produced on the automatic lines where're right next to the refrigerant filling device. | ||||||
Inspection | Every single heat pumps would not pass until being examined the data and performance by our inspectors. | ||||||














Our engineers who are among the top in China have developed a range of high efficient heat pumps since we’ve been specializing in the heat pump industry for more than 20 years.
OEM/OEM service is offered so as to make our distributors’ SKUs becoming distinct from other heat pumps.
Expert Tips
Offering the professional advice on choosing the befitting model, solution, etc. is always the strength of our client service online.
A: We are trade&manufacturing integrated company. Good product modern factory in Guangzhou City & Heyuan City. with OEM service provided, MOQ> 20 Units.
Q: How long for your heat pump delivery time?
A: Generally it is 1-5 working days if the goods are in stock. or it is 15-25 working days if the goods are not in stock, it is according to quantity.
Q: Do you also provide other kinds of heat pump?
A: ASHP of EVI(9KW-132KW) / Swim Pool(5KW-150KW) / Domestic Hot Water Heat Pump(80L-300L tank size)/Fan coil( wall mounted/floor standing/ceiling/cassette types of fan coils)
Q: What are the benefits of heat pump? #
A:Lower your heating bills.Comparing with traditional electric heater, air source heat pump can save 70% of electricity. Reduce your carbon emission. Air source heat pumps are highly efficient. In fact, up to 4 times more efficient than typical boilers, and reduce your air carbon emission by producing clean, renewable energy for which the government will pay you. Low maintenance and long lifetime. The lifetime of an air source heat pump is typically around 20 years. No time and weather restriction.Air source heat pump can work at different weather and all year around. Intelligent control, no need for maintenance.Whole units is with intelligent automatically control, no need professional guy for maintenance. One unit with multiple functions.One machine can achieve 3 functions in one (heating/cooling/hot water) , convenient and affordable.
Q: What is your terms of payment for heat pump?
A: Payment<= 5000USD, 100% in advance. Payment>= 5000USD, 30% T/T in advance ,balance before shipment. AIibaba trade assurance payment available. L/C Payment available.


Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1–49 set: US $1300 / set
- 50–99 set: US $1200 / set
- 100+ set: US $1100 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this air to water heat pump?
The standard minimum order quantity is 1 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 2 Years warranty. Spare parts and technical support remain available after the warranty period.
Can the air to water heat pump be supplied for my local voltage?
The standard configuration is 220V~Inverter. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Nulite New Energy (guangzhou) Co., Ltd., based in China. The company 7 years as a verified Alibaba.com supplier, Trading Company. Browse the full Nulite New Energy (guangzhou) Co., Ltd. range on HVACR Nexus.
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