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What is R.O.S.E.®

KPPK Ziviltechniker GmbH has been influencing the planning and construction process in cooperation with clients, architects and specialist engineers since 2005. Our goal is not just to create visions, but to implement efficient solutions for active climate protection. With tailor-made energy and climate concepts, we can respond individually to a wide variety of usage requirements and local conditions. In particular, the ecological and economic use of renewable energy such as solar energy, air thermal energy or geothermal energy is a key issue.

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For this purpose, R.O.S.E.® was created to compare alternative energy sources with conventional thermal energy sources. R.O.S.E.® can determine the exact amortization times at the beginning of a project on the basis of the present value method.

Additional subsidies, energy price developments and interest rate developments are taken into account in order to make long-term statements. An additional feature allows the percentage of CO2 savings to be displayed based on characteristic values and to be considered in the calculation.
Many individual adjustments, such as a solar thermal and PV system, with or without battery storage, the calculation of the cooling load and the assumption of a cooling system can be made. Among other things, CO2 taxes can already be taken into account.

The graphical representation of the amortization makes it possible to describe all energy systems and amortization times in more detail. In this way, particularly at the beginning of the planning phase, it can be easily determined how fast an alternative energy system will amortize.

What's New in the R.O.S.E.® Tool?

In August 2022 an update of R.O.S.E.® was put online. It is now possible to consider several PV systems with different orientations. Among other things, the direct power of the PV system can optionally be used for the calculation. The manufacturer prices and the energy prices have been updated and it is now possible to save the inputs from the tool and the results locally. The locally stored entries can then be imported into the tool in order to continue editing the project.

Various input fields have been added with default values ​​for more detailed input. In addition, it is now possible for some input fields to reset the default value if it was changed during the calculation. When cooling the geothermal heat pump, a distinction can now be made between passive and active cooling. The layout of the results in the printout has been optimized, which should enable a better interpretation of the results.

The tool will continue to be available to all users free of charge from now until September 14, 2022. From September 15, 2022, a new registration will be required, whereby a one-off registration fee of €600 (incl. 20% USt.) will be charged.
At the beginning of November 2021, an update from R.O.S.E.® was put online. It is now possible to make a more detailed input in the building data values. In addition to calculating the cooling load or a cooling system, the self-consumption of the PV system can now be graphically displayed in detail for a better interpretation. The amortization calculation can be adjusted that any energy system can be used as a comparison system for the calculation. The innovations relating to the CO2 tax have also been taken into account in R.O.S.E.®. A detailed entry including annual increases is now possible here.
The tool will continue to be available to all users free of charge from now until the end June. A new registration is required from July 1st, 2022, whereby a one-time fee of € 500 (gross) will be charged.

How R.O.S.E.® works

  1. Start calculation
  2. There are three calculation methods to choose from
  3. Choose a method and fill in the dates
  4. Energy prices can be adjusted
  5. Funding for the systems can be entered
  6. Preset values can also be used for calculation
ROSE Animation

When will R.O.S.E.® help me

  • Early assessment of the energy systems and payback period.
  • Which energy system is most suitable for the building?
  • What are the approximate costs of the installation?
  • What are the costs over 20 years?
  • How much CO2 do I save?
  • Does a PV or solar thermal system make sense?
  • How do additional subsidies affect the system?
  • Graphical comparison of the systems and output as a PDF file.

How do I get access

Would you like to carry out an assessment of the energy systems? After you have requested access, you will immediately receive an e-mail with further information. A one-off registration fee of 600€ (incl. 20% VAT) is charged upon registration.