Shopping
Shopping centers do have a great potential to save significant amounts of money by using heat pumps to provide their centers with air conditioning (heat/cool), hot water needs (DHW) and extra cooling for storage and store displays. Even during wintertime many areas of a supermarket have to be cooled (storage rooms, sales displays, deep freeze storage room and freezers) and others have to be heated. A lot of useful heat is currently being dissipated to outside air and heating and DHW requirements are executed by extra electrical heaters and geysers.
A heat pump can provide most of the cooling requirements and use the extracted thermal energy to generate DHW and heating for the building.
Commercial refrigeration down to -10°C, hot water up to +70°C and heating/cooling fluid for air conditioning can be generated.
The heat pump supplies simultaneously up to 4 different temperature levels with one and the same system. In summer, a particularly large amount of thermal energy is extracted from the building for cooling and air conditioning purposes. If this heat cannot be used in the building, it is either released into the ambient air via an air unit or is transferred to a neighbouring user, which may even pay for it or it is given away pro bono.
As supermarkets always require high outputs over long periods of time, a heat pump installation is very well utilised and can make excellent use of its special technical advantages. Such a high degree of utilisation leads to a rapid amortisation of the investment of less than 4-5 years, a significant reduction in operating costs and thus higher profitability for the company.
In combination with a PV system for the generation of electricity, further energy can be saved and, above all, the dependence on the grid can be reduced.
The installation of a heat pump system can also largely protect against damage caused by power failures, which are currently occurring and will increasingly occur in South Africa. The relatively low power consumption of the system offers the possibility to operate the system with a small and inexpensive emergency power system or with PV modules even during power failures.
Our “high power” HP heat pumps have no limitation in required performance and are available in size 12-40 kW, 15-70 kW and 25-100 kW. A maximum of 6 engines can operate in cascade with only one supervising and control unit, thus providing up to 600 kW performance. They are freely to combine thus enabling you to have the perfect sizing and to operate the heat pumps in the most effective design point. If one needs an even higher performance a second cascade could provide this.
Have a look at “Technology” to see how it works.
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