Carrier heat pump: All you need to know
Carrier heat pumps offer an energy-efficient and cost-saving alternative to conventional heating systems. With modern technology, they use renewable energy sources and provide reliable heating for living spaces. But how exactly does a Carrier heat pump work and what benefits does it offer? Below you find a comprehensive overview.

How a heat pump works
The operating principle of a heat pump is based on the use of environmental energy to provide heat for the heating system. It can draw energy from the air, the ground or groundwater - depending on the type of heat pump. The entire process takes place in a circulation system comprising several steps:
- Energy absorption: first, a special refrigerant absorbs heat from the environment. Due to its chemical properties, the refrigerant can also absorb heat at low temperatures.
- Compression: The refrigerant is now compressed. This causes the temperature of the refrigerant to rise considerably.
- Heat transfer: The hot refrigerant transfers the absorbed heat to the heating system (e.g. to underfloor heating or radiators) or uses the heat to heat water. This heats your home or heats your water.
- Cooling down: After the refrigerant has released its heat, it cools down again and the cycle starts all over again.
This process only requires a small amount of additional energy, usually in the form of electricity, to compress the refrigerant. This makes a heat pump particularly efficient and cost-effective to operate.
Cooling function of Carrier heat pumps
In addition to cozy warmth, Carrier heat pumps can also provide pleasant cooling - similar to an air conditioning system. By reversing the cycle, heat is then dissipated from the interior to the outside, ensuring pleasant temperatures on hot days.
Heat pump types according to heat source
A distinction is made between different types of heat pumps depending on the heat source used. Each variant offers specific advantages and is suitable for different application scenarios.
- Air-to-water heat pump: It draws energy from the ambient air and converts it into heating energy. Installation is comparatively simple as no excavation work is required. It is particularly suitable for new buildings or renovated existing buildings with a well-insulated building envelope.
- Brine-to-water heat pump: This variant uses the constant temperature of the ground as an energy source and therefore works particularly efficiently. The heat is absorbed via geothermal probes or flat-plate collectors and transferred to the heating system. However, it should be noted that this type of heat pump requires a more complex installation with earthworks.
- Water-to-water heat pump: This uses groundwater, which has relatively constant temperatures throughout the year. It therefore achieves a high level of efficiency, but requires a permit and suitable water quality.
Advantages of a Carrier heat pump
Rising energy costs and the desire for an efficient heating solution are bringing heat pumps more and more into focus. Carrier heat pumps use freely available environmental energy from the air and therefore work particularly efficiently. This helps to significantly reduce energy consumption, which not only cuts heating costs but also reduces CO2 emissions. In addition, modern heat pumps from Carrier operate particularly quietly, making them a comfortable solution for the home. Another advantage is the ease of installation. As no complex earthworks are required, the appliances can be retrofitted quickly and flexibly.
Carrier heat pumps stand out for their particularly quiet operation
Carrier heat pumps are characterized by their particularly quiet operation, making them an excellent choice for any home. This is achieved by specially developed acoustic insulation on the metal panels of the hydraulic and cooling modules. Homeowners benefit from this quiet operation, particularly in densely populated residential areas or in buildings with high noise level requirements. In addition, the optional night mode ensures that noise levels are reduced even further.
Flexible use in new builds and for modernisation
Carrier heat pumps are suitable for both new builds and the modernisation of existing buildings. To ensure the economical operation of a heat pump, the entire heating system must be matched to it. Different heating systems require different flow temperatures: while radiators require a higher temperature of up to 70 °C, a lower flow temperature of around 35 °C is sufficient for underfloor heating.
Carrier heat pumps offer the necessary flexibility to efficiently operate both low-temperature heating systems such as underfloor heating and systems with higher flow temperatures such as radiators. This makes them the ideal solution for both new builds and the modernization of old buildings, where existing radiators can continue to be used.
Efficiency figures: COP and seasonal performance factor
The efficiency of a heat pump is often indicated by the COP value (coefficient of performance). This describes the ratio between the heat output and the electrical energy input under standardised test conditions. A high COP value means particularly efficient heat generation.
However, the COP is only a snapshot. To assess the actual efficiency of a heat pump over the entire year, the seasonal coefficient of performance (SCOP) is used. In addition to the electricity consumption of the heat pump, this figure also takes into account the energy required for pumps, control and other components. A high seasonal coefficient of performance indicates that the heat pump works efficiently in the long term and keeps heating costs low.