NIBE S2125 Air/Water Heat Pump 400V (8kW-12kW-16kW-20kW)
Intelligent air and water heat pump with inverter control and natural refrigerant, adapted for the Nordic climate. [Energiklass A+++]
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NIBE S2125 Air/Water Heat Pump 400V (8kW-12kW-16kW-20kW)
Description
NIBE S2125 is an intelligent inverter-controlled air/water heat pump developed to offer exceptional energy efficiency, quiet operation and high operational reliability in Nordic conditions. Together with a suitable indoor module from NIBE, a complete and energy-efficient climate system for the home is created, where the speed-controlled compressor continuously adapts the output to the property's current heating needs. This minimizes energy consumption, reduces operating costs and ensures an abundant supply of hot water throughout the year.
NOTE! Velltra assures that all NIBE products marketed and sold by us are manufactured in Sweden and contain components of the highest quality, specially adapted for the Nordic market and its challenging climate.
Optimized seasonal heating factor and low operating costs
With an annual heating factor (SCOP) of over 5.0, the NIBE S2125 provides market-leading savings by extracting maximum heat energy from the outdoor air. The system automatically adjusts production to the prevailing weather and household needs, generating an even and comfortable indoor temperature and a significant reduction in annual heating costs.
Class-leading operating range and high flow temperature
The advanced technology enables a flow temperature of up to 75 °C, making the unit suitable for both modern low-temperature systems such as underfloor heating and older high-temperature radiator systems. Even in harsh winter conditions with outdoor temperatures down to –25 °C, the heat pump still delivers a flow temperature of up to 65 °C without compromising operational reliability.
Natural refrigerant with minimal climate impact
The NIBE S2125 uses the natural refrigerant R290 (propane), which has an exceptionally low GWP (Global Warming Potential) value of only 3. This makes the unit a future-proof choice that meets strict environmental requirements, while the thermodynamic properties of R290 contribute to the heat pump's high performance and efficiency.
Quiet design for a harmonious outdoor environment
The unit's aerodynamic fan blades and optimized air paths ensure a very low noise level during operation. The discreet sound profile means that the outdoor unit can be placed close to patios or property boundaries without disturbing the surrounding environment.
Smart connectivity and complete overview
In combination with the NIBE S-series indoor modules, the heat pump is seamlessly integrated into the connected home via integrated Wi-Fi connection and wireless accessories. The system can be easily monitored and controlled directly from a smartphone or tablet, providing continuous insight into operating data, temperatures and energy consumption.
Comfortable indoor comfort with active cooling
By supplementing the system with an accessory for active cooling, the heat pump can be reversed during hot summer days. The heat pump then produces coolness that is distributed via fan coils mounted on the wall or ceiling, creating a cool and comfortable indoor climate all year round.
Warranty and security
Please note that the manufacturer’s full warranty is not applicable for units bought in Sweden and installed outside Sweden.
Secure business and delivery with Velltra Velltra is a pioneer in heat pumps and has delivered thousands of units to satisfied customers throughout the EU over the years. When you shop with us, your investment is safe all the way. All our shipments are always insured for transport, which guarantees extra fast and smooth handling in the unlikely event of transport damage.
Technical specifications
Common specifications (all models)
- Voltage: 3x400V
- Depth: 831 mm
- System efficiency class space heating 35 °C: A+++
- Product efficiency class space heating 35 °C: A+++
- System efficiency class space heating 55 °C: A+++
NIBE S2125-8 (8 kW)
- Height: 1080 mm
- Width: 1128 mm
- Net weight: 179 kg
- Refrigerant amount, carbon dioxide equivalent: 0.000016 tonnes
- Product efficiency class space heating 55 °C: A++
NIBE S2125-12 (12 kW)
- Height: 1080 mm
- Width: 1128 mm
- Net weight: 179 kg
- Refrigerant amount, carbon dioxide equivalent: 0.000016 tonnes ton
- Product efficiency class space heating 55 °C: A+++
NIBE S2125-16 (16 kW)
- Height: 1180 mm
- Width: 1278 mm
- Net weight: 215 kg
- Refrigerant amount, carbon dioxide equivalent: 0.000023 ton
- Product efficiency class space heating 55 °C: A+++
NIBE S2125-20 (20 kW)
- Height: 1180 mm
- Width: 1278 mm
- Net weight: 215 kg
- Refrigerant amount, carbon dioxide equivalent: 0.000023 ton
- Product efficiency class space heating 55 °C: A+++

