energetic building simulation integrating renewable
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Energetic building simulation integrating renewable energies and conventional heat
generators
Dr. Andreas Straub
International Sales, Business Development & Training
+49 160 989 729 34
www.etu-software.com
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal 1
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The company
ETU Software has been developing technical and CAD software
since 2002 for the fields of energy efficiency, building services
and HVAC planning for new buildings and the renovation of old
buildings.
In the field of energy consulting, ETU Software is today the
market leader in Germany (70% market share).
The data acquisition of manufacturer data for use
in calculation software is another of the services offered
by ETU Software.
200 employees, 60.000 clients
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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Subsidaries in Germany, Austria & SpainHottgenroth Group
Hottgenroth Software GmbH &Co. KG was founded in 1996 by
Karl-Heinz Hottgenroth. In 2002 Hottgenroth took over
ETU Software GmbH.
Nowadays, further subsidaries strengthen the headquarter in
Cologne.
HOTTGENROTH & TACOS GmbH in Münster is a further subsidary
and a specialist in sophisticated design of non-residential
ventilation systems.
ETU Software GmbH is the trading partner for foreign business
within the Hottgenroth Group.
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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HottCAD und exchange of dataBIM-Methodology
HottCAD is an integrated CAD solution that has been specially developed for the requirements of
technical building calculations. All modules work with data
from the common 3D model and enrich it if required.
IFC files can be imported and exported.
Plug-ins allow 3D models from other CAD programs
like Autodesk Revit or Nemetschek Allplan.
Alternatively, planning documents such as image files, DWG/DXF and PDF
can be used for retracing the building in HottCAD.
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-SimulationThermal building simulation and plant scheme simulation including solar energy and geothermal energy (optionally with boiler and CHP)
Parameters of the thermal
building simulation:
• Building components
• Climate data
• Usage profiles
• Shading
• Demand profiles
• Zones for same profiles
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-Simulation - ResultsThermal energy balance of the building
Results:
• Heat demand
• Cooling Demand
• Devices
• People
• Solar load
• Lighting
• Air infiltration
• Surface heat output
• Ventilation
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-SimulationSimulation of the annual load duration curve
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-SimulationPlant configuration
Plant simulation:
• Cooling
• Ventilation
• Humidity
• PV
• Solar thermal
• Heat pumps
• CHP
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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PV-SimulationManufacturer-independent simulation software for the planning and design of photovoltaic systems
Software for time-saving measurement of roof areas, facades, windows and doors
using a digital image file. The determined areas can be transferred to the PV-
Simulation programme for further calculations.
Results:
• Forecasts for yield and profitability
• Dimensioning of the PV system including battery
• Optimisation of the plant to the usage behaviour
• Project report for consulting and documentation
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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PV-SimulationResults
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-SimulationSystem hydraulics / Plant schemes (1)
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-SimulationSystem hydraulics / Plant schemes (2)
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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Manufacturer dataDigital product data for dimensioning, simulation and quotation
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-Simulation - ResultsEnergy Balance Plant Technology
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-Simulation – Thermal time seriesTime series for 1 year with hourly resolution for any zones or rooms
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-Simulation – Plant time series (1)Time series for 1 year with hourly resolution for the chosen system
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-Simulation – Heating time series (2)Time series for 1 year with hourly resolution for the chosen system
shown here: January
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-Simulation – Cooling time series (3)Time series for 1 year with hourly resolution for the chosen system
shown here: Hottest Day (28. July)
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU-SimulationBuilding simulation for energy concepts and renewable energies
• Future-oriented planning with
renewable energies
• Digital twin for energy
optimisation in new and
existing buildings
• Calculate profitability of
energy measures
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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GetSolar ProfessionalSimulation software for dimensioning solar thermal systems
• Worldwide climate data available
• Calculation of sun position, instantaneous power, standstill temperature etc
• Solar backup heating and domestic hot water
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal
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ETU Software GmbHCAD-based software for energy simulations
Thank you for
your attention!
Contact me for more information and to request free educational licences. Professionals can purchase directly in our webshop at https://shop.etu.de
Dr. Andreas StraubInternational Sales, Business Development & [email protected]+49 160 989 729 34www.etu-software.com
XXII Simpósio Luso-AlemãoEficiência Energética, 20.10.20
Energy-efficient building technologies using renewable energies in Portugal