Air/water heat pump WSB series

energy savinghot waterclass A+++

Overview
The Weishaupt Splitblock® air-to-water heat pumps are a cost-effective solution for detached houses with heating demand up to 18 kW. They comprise an outdoor unit and an indoor unit. The outdoor unit uses free energy from the outside air to produce heat, operating down to an outdoor temperature of -20°C. The indoor unit manages heat distribution.

Product benefits

• Economical in every respect: efficiency and reliability of proven split technology; comprehensive accessories (wall-mounting bracket, room thermostat, etc.) supplied by Weishaupt. Integrated circulator supplied as standard, energy class A.
• Reliable heat production even at -20°C.
• Flexible installation: outdoor unit can be installed in a garden or on an external wall; compact indoor unit (comparable to a boiler) is easy to integrate into the house; simple installation without flue or chimney.
• Very low noise operation: indoor and outdoor units are designed for low sound levels; night mode reduces fan speed.

Applications

• Heating
• Cooling (active cooling mode integrated as standard)
• Domestic hot water production (DHW)
• Suitable for new build and renovation; possible bivalent installations (retaining an existing boiler for peak loads).
• Intuitive control via colour display and rotary knob; controllable via the Weishaupt mobile app (iOS/Android) and remote operation via the WEM portal.

Model table and main characteristics (as on the page)
Model | Heat pump type | BT class | HT class | Heating label scale | Nominal power (A2/W35) | COP (A2/W35) | Nominal power (A7/W35) | COP (A7/W35) | Outdoor unit height | Outdoor unit width | Outdoor unit depth | Indoor unit height | Indoor unit width | Indoor unit depth | Applications
WSB 6-A-RME-AI | Air/water Split | A+++ | A++ | A+++ - D | 3.58 kW | 4.13 | 3.35 kW | 4.95 | 866 mm | 966 mm | 380 mm | 790 mm | 600 mm | 445 mm | Heating, Cooling, DHW
WSB 8-A-RME-AI | Air/water Split | A+++ | A++ | A+++ - D | 5.04 kW | 3.76 | 6.68 kW | 4.69 | 866 mm | 966 mm | 380 mm | 790 mm | 600 mm | 445 mm | Heating, Cooling, DHW
WSB 10-A-RME-AI | Air/water Split | A+++ | A++ | A+++ - D | 3.65 kW | 4.03 | 3.52 kW | 4.86 | 866 mm | 966 mm | 380 mm | 790 mm | 600 mm | 445 mm | Heating, Cooling, DHW
WSB 10-A-RMEK-AI | Air/water Split | A+++ | A++ | A+++ - D | (variant listed on the page) | — | — | — | 866 mm | 966 mm | 380 mm | 790 mm | 600 mm | 445 mm | Heating, Cooling, DHW
WSB 12-A-RMD-AI | Air/water Split | A++ | A++ | A+++ - D | 7.60 kW | 3.79 | 10.23 kW | 4.95 | 1,260 mm | 963 mm | 380 mm | 790 mm | 600 mm | 445 mm | Heating, Cooling, DHW
WSB 12-A-RME-AI | Air/water Split | A++ | A+ | A+++ - D | 7.70 kW | 3.50 | 10.90 kW | 4.62 | 1,260 mm | 963 mm | 380 mm | 790 mm | 600 mm | 445 mm | Heating, Cooling, DHW
WSB 15-A-RMD-AI | Air/water Split | A+++ | A++ | A+++ - D | 8.80 kW | 3.72 | 11.70 kW | 4.54 | 1,260 mm | 963 mm | 380 mm | 790 mm | 600 mm | 445 mm | Heating, Cooling, DHW
WSB 15-A-RME-AI | Air/water Split | A+++ | A++ | A+++ - D | 8.80 kW | 3.72 | 11.70 kW | 4.54 | 1,260 mm | 963 mm | 380 mm | 790 mm | 600 mm | 445 mm | Heating, Cooling, DHW
WSB 18-A-RMD-AI | Air/water Split | A++ | A++ | A+++ - D | 10.89 kW | 3.38 | 15.70 kW | 4.17 | 1,260 mm | 963 mm | 380 mm | 790 mm | 600 mm | 445 mm | Heating, Cooling, DHW

Technical specifications

• Power range: models covering demands up to 18 kW (variants: 6, 8, 10, 12, 15, 18).
• Architecture: split system composed of an outdoor unit and an indoor unit.
• Operates down to an outdoor temperature of -20°C.
• Active cooling integrated as standard.
• Integrated circulator supplied as standard, energy class A.
• Control and settings: colour display, rotary knob; control via Weishaupt mobile app and WEM portal.
• Bivalent options possible (retaining a boiler for peak loads).
• Outdoor unit dimensions (examples per model): outdoor unit height 866 mm (small models) or 1,260 mm (larger models); outdoor unit width 963–966 mm; outdoor unit depth 380 mm.
• Indoor unit dimensions (values from the page): height 790 mm; width 600 mm; depth 445 mm.
• Heating energy label: classes varying from A+++ to A+ / A++ depending on model and conditions (label scale presented as A+++ - D).
• Performance according to DIN EN 14511 (examples on the page): nominal power and COP values measured at A2/W35 and A7/W35 for each model.