GreenTherm One
Heating & Cooling Heat Pump
PHNIX GreenTherm One is a highly integrated R290 heat pump designed to simplify residential heating, cooling and domestic hot water installation. By bringing key hydronic components together in one outdoor unit, it reduces separate equipment, on-site piping and connection work. Installers can complete projects faster with fewer potential installation errors, enabling a more repeatable system design and more projects from the same installation team.
Product Details
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Natural R290 RefrigerantA lower-impact refrigerant solution for future-ready residential heating. -
One Hour InstallationPlay-and-plug design educes on-site piping and installation work. -
A+++ Energy EfficiencyA+++ at both 35°C and 55°C, with a SCOP of 5.1 and 3.85 respectively. -
Year-Round PerformanceReliable operation from -25°C to 43°C. -
Up to 75°C Outlet Water Temp.Greater flexibility for underfloor heating, fan coils, radiators and domestic hot water. -
Quiet OperationSound power level of only 55 dB(A).
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Fast InstallationGreenTherm One integrates space cooling, heating and domestic hot water into one compact outdoor unit. With plug-and-play design and a built-in storage tank, it reduces separate hydraulic components and on-site piping, enabling installation in as little as one hour under prepared site conditions. The result is a cleaner system layout, lower installation workload and more usable space inside the home. -
Built-in Thermal Storage TankFresh Hot Water with No StagnationThe built-in tank stores thermal energy, while domestic hot water is freshly prepared on demand. As the hot water is not stored, no stagnant water zones are created. This helps reduce the risk of bacterial growth and ensures a more hygienic hot water supply. No additional sterilisation cycle is required under normal operation. -
Built-In SafetyGreenTherm One uses natural R290 refrigerant and incorporates multiple protection measures for safe and reliable operation. The integrated microbubble air separator continuously removes entrained air from the hydronic circuit, helping maintain stable water flow and system efficiency. The built-in safety valve provides pressure protection for the water circuit. An optional refrigerant leakage detector is available for applications requiring an additional level of refrigerant safety. -
AI Full Inverter TechnologyUp to 20% Energy SavingsAI Full Inverter technology responds by adjusting compressor frequency to match the real-time load more precisely. This intelligent control maintains stable comfort while delivering up to 20% greater energy savings than conventional inverter control.
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AI Smart Grid Technology60% Energy SavingsGreenTherm One responds to compatible local real-time electricity tariffs and automatically shifts energy consumption away from expensive peak periods. By producing and storing thermal energy when electricity is more economical, it helps lower operating costs while maintaining consistent heating and hot water availability.
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AI PV Drive TechnologyThe optional external iDrive Box continuously tracks available photovoltaic output and prioritises solar power for operation. Through the connected energy management box, available PV electricity can also be distributed to other household appliances, increasing solar self-consumption and reducing dependence on grid electricity.
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Smart Hybrid Energy IntegrationGreenTherm One can integrate with photovoltaic systems and new or existing boilers, allowing the energy configuration to be adapted to the building. It can form the centre of an all-electric system in a new home or work alongside an existing boiler during a heating renovation, giving installers a more flexible route to lower-carbon residential heating.
Product parameters
| Model | PASRW020B-BP2-PS-D5 | |
| Power Supply | / | 220~240V~/50Hz |
| Heating Condition - Ambient Temp. (DB/WB): 7/6°C, Water Temp. (In/Out): 30/35°C | ||
| Nominal Heating Capacity | kW | 6 |
| Heating Capacity Range | kW | 1.5~7.5 |
| Heating Power Input Range | kW | 0.26~2.0 |
| Heating Condition - Ambient Temp. (DB/WB): 7/6°C, Water Temp. (In/Out): 47/55°C | ||
| Nominal Capacity | kW | 6 |
| Heating Capacity Range | kW | 1.4~7.0 |
| Heating Power Input Range | kW | 0.38~2.30 |
| Cooling Condition - Ambient Temp. (DB/WB): 35/24°C, Water Temp. (In/Out): 23/18°C | ||
| Cooling Capacity Range | kW | 1.36~7.5 |
| Cooling Power Input Range | kW | 0.35~2.23 |
| Cooling Condition - Ambient Temp. (DB/WB): 35/24°C, Water Temp. (In/Out): 12/7°C | ||
| Cooling Capacity Range | kW | 1.20~6.0 |
| Cooling Power Input Range | kW | 0.36~2.6 |
| Max. Power Input | kW | 3.5+3.0 |
| Max. Current Input | A | 15.0+13.0 |
| Refrigerant Type | / | R290 |
| Refrigerant Volume | kg | 0.35 |
| Sound Pressure (1m) | dB(A) | 38 |
| Sound Power Level (EN12102) | dB(A) | 55 |
| Net Weight | kg | 185 |
| Unit Dimension(L/W/H) | mm | 750×580×1950 |
| Shipping Dimension(L/W/H) | mm | 790×625×2092 |
| Circulation Pump | / | YES |
| Operating Ambient Temperature | ℃ | -25~45 |
| Fan Motor Type | / | DC Fan Motor |
| Water Connection | inch | 3/4 |
| Rated Water Flow | m3/h | 0.86 |
| Water Pressure Drop @Rated Water Flow | kPa | 15 |
| Circulation Pump Head @Rated Water Flow | m | 4.4 |
| Cabinet Type | / | Alloy |








