Performance
& Efficiency
A+ Energy Rating
COP up to 3.88 — outstanding seasonal efficiency for combined heating and hot water, significantly reducing energy bills.
Max Outlet Temperature 70°C
Delivers high-temperature water for radiators and domestic use — no need to replace existing heating systems.
180L + 65L Integrated Tank
SS316 stainless steel domestic hot water tank (180L) with 65L buffer tank — all built into one compact cylindrical unit.
Low Noise — 52 dB(A)
Whisper-quiet operation at only 52 dB(A) — ideal for indoor and basement installations near living spaces.
Sustainable
& Future-Ready
-
R290 Natural Refrigerant
Eco-friendly refrigerant with low GWP and superior thermodynamic performance — a responsible choice for modern homes.
-
Low Carbon Operation
Meets energy saving goals and green building standards across Europe.
-
Top-Blow Cylindrical Design
Innovative top-blow airflow optimises heat distribution and enables easy installation even in tight indoor spaces or basements.
Smart Control
& Installation
Flexibility
Built-in WiFi & Smart Controller
LED display with integrated WiFi enables remote control, scheduling, and real-time monitoring from anywhere via smartphone.
Easy Indoor & Basement Installation
Compact cylindrical footprint (640×640 mm) allows installation in basements, utility rooms or tight indoor spaces without outdoor unit.
ALL-IN-ONE Solution
for Heating & Hot Water
R290 ALL-IN-ONE Heat Pump | 180L Integrated Tank | A+ | Built-in WiFi
Technical Specifications
| Parameter | J12HWH |
|---|---|
| Heating Performance — A7/6°C | |
| Heating Capacity (kW) | 2.25 |
| Power Input (kW) | 0.58 |
| COP | 3.88 |
| General Information | |
| Operating Air Temperature (°C) | -5 to +45 |
| Max. Outlet Water Temperature (°C) | 70 |
| Noise Level dB(A) at 1m | 52 |
| Airflow (m³/h) | 250 |
| Max Power Input (kW) | 8.58 |
| Max Current (A) | 38 |
| Power Supply | 220V–240V~ / 50Hz |
| Refrigerant | R290 |
| Compressor Brand | GMCC |
| EEV Brand | SANHUA |
| 4-way Valve Brand | SANHUA |
| Heat Pump Coil Material | Microchannel |
| WIFI Control | Yes |
| Controller | LED display |
| Water Tank | |
| Domestic Hot Water Tank Volume (L) | 180 |
| Buffer Tank Volume (L) | 65 |
| Tank Material | Stainless steel |
| Inner Tank Material | SS316 |
| Inner Tank Thickness (mm) | 1.5 |
| Tank Insulation Thickness (mm) | 45 |
| Auxiliary Heater — Hot Water (kW) | 3 |
| Auxiliary Heater — Buffer Tank (kW) | 8 |
| Connections | |
| Hot Water Outlet | G3/4" |
| Cold Water Inlet | G3/4" |
| Water Drain Size | G1/2" |
| Condensed Water Outlet | G1/2" |
| Max Discharge Pressure (bar) | 26 |
| Max Suction Pressure (bar) | 10 |
| Dimensions & Weight | |
| Net Dimensions L/W/H (mm) | 640 × 640 × 1980 |
| Package Dimensions L/W/H (mm) | 700 × 700 × 2115 |
| Net Weight (kg) | 132 |
| Casing Material | Galvanized sheet steel |