- Heat Pump Tech Since 1988! Contact us now for high quality heat pump!
- info@china-heatpump.com
New product- 40KW R290 inverter air to water heat pumps
R290 inverter air to water heat pumps to replace boiler perfectly
11/20/2025
R290 75℃ High Temp All in One Heat Pump Water Heater
12/11/2025
R290 40KW Inverter Heating Cooling Heat Pump
- KOLANT DC inverter multifunctional heat pump provide Heating, Cooling + Domestic Hot Water in one solution.
-
Ultra-high 40KW power output.
-
Heating over 1,000 square meters.
- Install easily
- Save installation costs
Kolant Natural Eco Refrigerant R290(GWP=3)
Environmental-friendly is always the primary goal of our company, Kolant PolarHeat heat pump operates on R290, a natural cooling medium consisting of propane. This choice is driven by its negligible impact on Ozone Depletion Potential (ODP) and minimal Global Warming Potential (GWP), aligning with the EU’s carbon neutrality objectives.Leveraging the exceptional thermodynamic properties of R290 alongside our cutting-edge heat pump technology, Kolant R290 Heat heat pump delivers outstanding performance, even in the most frigid conditions.
By integrating ecological considerations with economic efficiency, Kolant R290 heat pump is a step towards a greener future without compromising on comfort and functionality.
Comfortable feeling with accurate control
KOLANT R290 DC inverter heat pump Can regulate its own heating capacity from 20% to 100% according to the actual heat requirement. In this way, the water system water temperature can be steadily controlled with a very small deviation of 0.5℃, so as to create a comfortable feeling for end users in home.
Kolant heat pump working range ambient temperature -30℃
KOLANT R290 DC inverter heat pump can work under environment temperature -30℃
Getting much higher water temperature during low environment temperature
Heating capacity 40%~60% higher than normal heat pumps,
COP 10%-20% higher than other heat pumps.
All the key components are from leading suppliers to make sure the quality and lifetime.
The Intelligent Bottom PositiveVentilation design incorporates a large fan to effectively ventilate any potential R290 leakage.
Built inside Special R290 leakage sensor to give warning at any r290 leakage to protect the user and heat pump.
Special Explosion-proof design including Hermetic electric control box, Excellent sealability.
European Standard Seasonal COP Energy Class A+++
Kolant PolarHeat R290 Series attains EU Energy Efficie ncy rating of A+++ at 35℃ water temperature and A++ at 55℃ water temperature.
Heating/cooling+DHW Funtion In One Solution
Kolant Polar heat pump is multifunctional heat pump which can satisfy Space Heating, cooling and domestic water heating of the whole family demand in one solution.This ensures usersnot only enjoy enhanced performance but also experience cost savings through a more economical choice.
Intelligent touch screen controller
Colorful screen controller Intuitive interfaceTouch-key design
Wifi module inside Modbus protocol.Mobile APP remote control .
Easy setting Monitor unit status and energy consumption.
Remote control with Wifi APP
By downloading our APP in your mobile phone, it is possible for you to conveniently control a DC inverter heat pump from KOLANT at any time, anywhere. Just imagine that you turn on your heat pump and set it to a comfortable temperature before you leave office, then you will enjoy the pleasant environment as soon as you get home
Technical Data
| Model name | RJ-400H/SN9-BPR | ||
| Power supply | V / Ph / H | 380V/50Hz | |
| Heating A 7/6℃ W 30/35℃ |
Capacity | kW | 38.9 |
| Rated input | kW | 8.17 | |
| COP | 4.76 | ||
| Heating A 7/6℃ W 40/45℃ |
Capacity | kW | 38 |
| Rated input | kW | 9.57 | |
| COP | 3.97 | ||
| Heating A 7/6℃ W 50/55℃ |
Capacity | kW | 36.3 |
| Rated input | kW | 11.52 | |
| COP | 3.15 | ||
| Heating A -7/-8℃ W 30/35℃ |
Capacity | kW | 31.8 |
| Rated input | kW | 9.23 | |
| COP | 3.41 | ||
| Heating A -12/-14℃ W 30/35℃ |
Capacity | kW | 28.8 |
| Rated input | kW | 9.76 | |
| COP | 2.95 | ||
| Heating A -20/-℃ W 30/35℃ |
Capacity | kW | 24.4 |
| Rated input | kW | 10.42 | |
| COP | 2.34 | ||
| Cooling A35/24℃ W 23/18℃ |
Capacity | kW | 38.6 |
| Rated input | kW | 9.34 | |
| EER | 4.13 | ||
| Seasonal space heating energy efficiency class |
LWT at 35℃ | A+++ | |
| LWT at 55℃ | A++ | ||
| SCOP | LWT at 35℃ | 4.47 | |
| LWT at 55℃ | 3.87 | ||
| SEER | LWT at 7℃ | 4.42 | |
| MOP(Maximum overcurrent protection) | A | 18.1 | |
| Water pressure drop | kPa | 50 | |
| Refrigerant system pressure (Max. / Min.) | 3.1 MPa/1.5MPa | ||
| Refrigerant | Type | R290 | |
| GWP value | 3 | ||
| Equivalent CO2 | Ton | 0.0049 | |
| Compressor | Type | DC inverter | |
| Brand | HITACHI | ||
| Quantity | 1 | ||
| Capacity | kW | 29.26 | |
| Input | kW | 7.66 | |
| Fan motor | Fan type | Axial Fan | |
| Motor type | Brushless DC motor | ||
| Motor Quantity | 2 | ||
| Speed | rpm | 300~850 | |
| Throttle type | Electronic expansion valve | ||
| Water side heat-exchanger | High efficiency tank | ||
| Sound power level6 | dB | 53 | |
| Water resistance | IPX4 | ||
| Water pipe connection | Inlet | mm | DN50(2”) |
| Outlet | mm | DN50(2”) | |
| Net/Gross weight | Net | kg | 235 |
| Dimension (L×H×D) | Net | mm | 1365x525x1875 |
| Packing | mm | 1385x590x2035 | |
| Operating temperature | Cooling | ℃ | – 5 to 43 |
| Heating | ℃ | – 30 to 35 | |
| DHW | ℃ | -30 to 43 | |
Kolant R290 DC inverter air to water heat pump can provide heating, cooling and DHW function in one solution. It is Much more Higher efficiency than other air source heat pump.
With R290 refrigerant and most advance European technology to work well in Minus -25ºC, COP 9 at low load test condition for our R290 DC Inverter air source Heat Pump with Heating and Cooling and domestic hot water functions,
A+++ energy class inverter air to water heat pump.
Main Features:
1. Heating/Cooling+ DHW function in one solution for our R290 inverter air to water heat pumps.
2. Much more higher COP than other DC inverter heat pump.
3. High COP at 75C outlet water temp to replace gas boiler perfectly without electric heater assistant.
4. Kolant heating cooling DHW function heat pump can be combined with gas boiler, solar heating system and other heating system intelligently.
5. All water access parts are stainless steel or copper to keep safe, healthy and non-pollution for our R290 inverter air to water heat pump
6.Secondary heat source auto switching function enable Kolant heat pump to heat together with the existing or second heating system. Inner thermostat to Swift automatically between 2 heat sources base on the target outdoor temperature preset by the user. We have special control function for the 2nd heat source working together with our R290 inverter air to water heat pumps.
6. Weather Compensation Function, Auto target water temp curve according to different ambient temp.
Wide Working Range
| Outdoor ambient air temperature range | |||
| Cooling | Heating | Domestic Hot Water | |
| Maximum | 52 | 30 | 46 |
| Minimum | 15 | -35 | -35 |
| Leaving water temperature range | |||
| Cooling | Heating | Domestic Hot Water | |
| Maximum | 18 | 75 | 75 |
| Minimum | 5 | 15 | 30 |
Inner Parts:
Quality for reliability and save maintenance cost for Kolant R290 DC inverter heating cooling DHW heat pump:
Our parts are always choosend with the top brand in the world
Heat exchanger: SU316 food grade material plate heat exchanger.
Electronic expansion valve: Saginomiya Brand EEV with accurate control to get 10% higher than other thermo expansion valve.
Four way valve: Saginomiya brand of Japan
The above parts enable our R290 inverter heat pump to be trouble free products.
Applications for Kolant R290 DC inverter heating cooling DHW heat pump:
Free functions combination: heating, cooling with or without domestic hot water.
Flexiable installation. Compatible with :
Floor heating and cooling.
Fan-coils and low temp radiators.
Solar water heating.
For more application or special application, please contact us by email or drop us a line at the foot of this page. We’d like to help you to design for more application for your room heating, cooling and DHW function in one solution with Kolant R290 DC inverter heating cooling DHW heat pump.
