Air-to-wa­ter heat pump Adapt Max

The NIBE S2125 is an intelligent, inverter-controlled air/water heat pump. In combination with the indoor units, it automatically regulates the power requirement throughout the year and forms an efficient climate system. Thanks to the natural refrigerant R290, it is particularly environmentally friendly.

Application
Multi-family house, commercial, public buildings, new construction, renovation
Installation
Outdoor installation
Operating range
10 - 140 kW

Pro­duct de­tails

The advantages of Ad­apt Max at a glance:

  • Environmentally friendly refrigerant
    Natural refrigerant R290
  • Milestone in efficiency
    With a SCOP greater than 5.8
  • Working range for every climate
    Flow temperature up to 75 °C
  • Whisper-quiet operation
    The advanced NMSTM technology (fan design & sound insulation) is extremely quiet at 49 dB(A)
  • Heating and cooling
    The Adapt Max can be used for heating and cooling, ensuring optimal living temperatures all year round.
  • Modular
    Exceptional flexibility thanks to modular design – quick and easy to install.
  • Energy class A
    For both underfloor heating and radiators
  • Operation and overview
    Quick and easy operation via the elegant touch display. Access via mobile devices anytime, anywhere thanks to the cloud connection.
  • Design
    The elegant and timeless design is an aesthetic element and fits perfectly with modern architectural trends – various colors are available

Cli­ma­te pre­mi­um

Are you replacing a fossil gas or oil heating system with a renewable heating system? Benefit from attractive subsidies.

References

  • AdaptMax | Ambient air | Multi-famuly house

    MFH, 8306 Brüttisellen

  • AdaptMax | Mehrfamilienhaus | Umgebungsluft

    MFH, 9500 Wil

  • Mehrfamilienhaus | Umgebungsluft

    MFH, 8306 Brüttisellen

Do you have any ques­ti­ons?

Benefit from our many years of experience and let our specialists advise you individually, without obligation and free of charge.

Fre­quent­ly as­ked ques­ti­ons?

The heat pump extracts thermal energy from the ambient air. The refrigerant absorbs this heat in the heat exchanger (evaporator) and is then compressed in the compressor. The heat generated in this process is used for heating and hot water production via another heat exchanger. In summer, the cycle can also be used for cooling by reversing the process.

The heat pump extracts thermal energy from the ground using a geothermal probe or groundwater. The refrigerant absorbs this heat in the heat exchanger (evaporator) and is then compressed in the compressor. The heat generated in this process is used for heating and hot water production via another heat exchanger. In summer, the cycle can also be used for cooling by reversing the process.

Heat pumps are suitable for both and can therefore be used in new buildings and old buildings undergoing renovation. With the latest generation of heat pumps, flow temperatures of up to 70° can be achieved.
However, it may be worth replacing or adding new radiators with a larger heating surface area in order to increase the efficiency of the heat pump. Seek advice from a specialist. In general, energy-saving measures should be considered for the building envelope in order to directly reduce the heat demand and thus reduce the flow temperatures and increase the efficiency of the heat pump.

Yes, because all our heat pump systems are designed for the design temperature. However, there are some differences between the various heat pump systems that need to be taken into account:

Air/water heat pumps:
Air/water heat pumps have a lower operating limit (approx. -25°C). For heating systems, this means that the heat output is guaranteed up to the design temperature (in the Swiss Plateau, for example, at -7°C). If the outside temperature falls below this design temperature, the auxiliary heating can switch on automatically. Statistically speaking, however, this is extremely rare.

Brine/water heat pumps:
With brine/water heat pumps, it is important to dimension the geothermal probes correctly. The geothermal energy at depth is constant and changes only minimally, even if the top layer of soil is frozen.

A heat pump with a COP of 5 requires 1/5 of the total energy produced in the form of electrical energy, while 4/5 of the energy is obtained from the environment (ambient air, geothermal probe, etc.).
The COP is highly dependent on the source temperature and the flow temperature. The higher the source temperature and the lower the flow temperature, the higher the COP and the energy efficiency.
In combination with a PV system, the amount of electricity consumed can be increased and energy costs reduced.

The sound insulation of heat pumps can be improved through structural measures. The most important measure is to physically decouple the heat pump from the house. Pipes must also be physically decoupled using suitable mounting systems. Sound insulation hoods or sound insulation walls can also significantly reduce noise levels.

Heat pumps are generally very low-maintenance. However, a heat pump should not be neglected. Contamination on the outdoor unit or in the heating circuit, incorrect settings, incorrect heating curves, etc. can damage the heat pump or reduce its efficiency. Periodic maintenance is therefore always beneficial and extends the service life.

The cost of a heat pump varies depending on the type and size of the system. An air/water heat pump for a single-family home of approximately 150 m² typically costs between CHF 30,000 and CHF 40,000, while a ground-source heat pump (geothermal energy) often costs between CHF 40,000 and CHF 50,000. Installation and additional work such as drilling or connection costs have a significant impact on the price.

Yes, both the federal government and the cantons offer subsidy programs to support the installation of heat pumps. The amount of the subsidy depends on the canton and the type of heat pump. There are often tax advantages in the form of deductions that can currently still be claimed. However, with the rejection of the owner-occupied housing allowance, this is expected to fall in 2028. Our sales advisors will be happy to provide you with more information.

Heat pumps have low operating costs compared to fossil fuels such as oil and gas. Operating costs are heavily dependent on energy costs, but correct hydraulic integration and correct operation also have an influence. In Switzerland, heat pumps are generally inexpensive to operate.

Heat pumps offer many advantages:

  • Environmentally friendly: They use renewable energy sources (air, earth, water).
  • Energy efficient: High efficiency compared to traditional heating systems.
  • Low operating and maintenance costs: Significantly lower than fossil fuel heating systems.
  • Long service life: Heat pumps have a service life of 15–20 years.

As a rule, replacement is possible. However, both the building envelope and the existing heating system must be taken into account. In very old buildings or those with poor insulation, it is advisable to first renovate the building envelope and then modernize the heating system.

The approval process varies from canton to canton. For many air/water heat pumps within the building zone, a notification procedure with the municipality is now sufficient, whereby the most important documents, including noise protection certification, must be submitted. In special cases (core zones, listed buildings, groundwater protection areas, or geothermal heat pumps), a building permit is required and, depending on the case, a cantonal drilling permit may also be necessary. Our sales staff will be happy to assist you with this.

Heat pumps are considered virtually carbon neutral, especially when the electricity comes from renewable sources. Compared to oil or gas heating systems, CO₂ emissions can be reduced by up to 95%.

Financially and ecologically, the switch is definitely worthwhile in the long term. The investment pays for itself over the years thanks to lower operating costs and subsidies. In addition, the value of the property increases when it is renovated with efficient technology. As fossil fuel heating systems will be gradually banned in the future, the switch is also a future-proof decision.

Yes, air/water heat pumps require a noise protection certificate, which must be issued by a specialist. This ensures that the legal noise limit values specified in the Noise Abatement Ordinance are complied with.

Air/water heat pump NIBE S2125

The NIBE S2125 is an intelligent, inverter-controlled air/water heat pump. In combination with NIBE indoor units, it forms an efficient climate control system for your home. As it automatically adapts to the power demand throughout the year, the NIBE S2125 runs very efficiently and, thanks to the use of the natural refrigerant R290, is extremely environmentally sound.

The NIBE S2125 has a high seasonal coefficient of performance (SCOP)*, which results in low operating costs for heating and warm water. The operating range allows a supply temperature of up to 75°C. At an outside temperature of down to -25°C, it still delivers up to 65°C, while the noise level remains extremely low. The standard active cooling ensures greater comfort in summer temperatures. The NIBE S2125 is available

in two output sizes. Together with the indoor units of the NIBE S series with integrated WiFi connection, the NIBE S2125 becomes a central component

of your networked home. The intelligent technology automatically regulates the indoor climate, while you have full control of your heat pump via your smartphone or tablet.

Natural refrigerant R290

R290 (propane) is a natural refrigerant with a GWP (global warming potential) of 3. R290 is therefore very environmentally friendly because it does not damage the ozone layer or contribute to the greenhouse effect.

Cooling

The NIBE S2125 is reversible and can therefore also be used for cooling. This is a pleasant bonus, especially in summer temperatures.

We strive to maximize the capacity of every single NIBE product while considering the system as a whole to create a complete comfort system. That is why we offer a wide range of intelligent, highly efficient products for cooling, heating, and supplying hot water to your home. By harnessing the power of nature, you can create a perfect indoor climate with minimal impact on the environment.

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