Ice Shelter - Smart and efficient heating and cooling

1. isocal – Energy for Heating and Cooling Purposes
Sun, Earth, Air und Heatpump –
Iceshelter as primary source Buffer
isocal HeizKühlsysteme GmbH
Rheinlandstraße 10
71636 Ludwigsburg
www.isocal.de
Heiko Lüdemann Dipl.-Ing. (FH)
Geschäftsführer / CEO

2. 2006 Start of the innovative und construktive
development of the Solar-Ice Shelter, connected
with a gasdriven Heatpump
2007 Development of a noiseless Outside-Roof-
Absorberas multifunctional Heatsource and Heat-
dsink; Patent on the unique system of heat-
exchangers arrangement in the Solar-Ice Shelter
2007 Finish of all components and
namenprotection for "isocal" and "SolarEis“
2007 Development of the regulationtechnic;
Start fo the project divison SEi; Definition
and Development of the standardized product
SE 12
2007 Market finish of the SE 12 standard serial shelters
Cooperation Viessmann/KWT
2008 Roll out programe for SE 12 from 6, 8, 10 to 20kW;
SolarAir Absorbers reach serial standard
Extension of project business
2007 Refence projects: EBV Hamburg Tilemannhöhe,
Evonik Köln-Porz, Ecolab Langenfeld Viessmann
becomes main Investor
2013 Restructuring of sales division
Headquarter moves to Ludwigsburg
2014 Focus on project business, the standard serial
business division switches to Viessmann
isocal HeizKühlsysteme GmbH

3. Three questions:
How can we use summers heat in the next winter
and vice versa the winters cold in summer?
How can we use days heat in the night and vice versa
the nights cold during the day?
How can we use heat and cold of a heat pump in
both ways?
Answer: by storing heat and cold!
isocal – Energy for Heating an Cooling
3

4. Meanwhile other concepts only regard one
side and usually store heat energy on a high
temperature level, we chose to go another
way.
SolarEis (Solarice) stores heat without any
losses on a pretty low temperature level. On
the other side this process generates ice.
In a shelter underneath the earth surface
Speicher.
Secure, economic and renwewable.
isocal – Energy for heating and cooling
4

5. Five regenerative heat sources in an
optimized cogenerative process: Sun, Air,
Earth, Water and Ice
5

6. Components the SolarIce-System
6

7. SolarAir-Absorber
Takes heat from environ mental air and sunshine – even on cloudy days or diffuse Irratiation.
Its energy harvest this ways is higher as the one ot contemporenean classic thermal solar
units.The excess energy in summer is stored in SolarIce-Shelters.
SolarAir-AbsorberSolarAir-Absorber
7

9. Optimized Use of solar energy
and environmental heat
Meanwhile the SolarAir-Absorber on his horizontal level absorbes the solar
energy , the absorber on his vertikal level offers a huge surface to absorb the heat
in the environmental air – even tehn, when doesnt shine.
9

10. SolarAir-AbsorberSolarAir-Absorber
SolarIce-Shelter
In the warm seasons excess solar energy and heat in the environmental airwill be stored on a very low temperature
level. Surrounding earth heat allows to store this energy over a longer period of time and without insulation. Starting
with the colder seasons this heat will be extracted from the shelter by using a heat pump. And delivered to a warm
water buffer shelter or directly to the heating system. The physical key point is the cristallisation energy of water in the
freezing point of zero degrees. Extrcting heat from the water, ice wil be created automatically. This Ice afterwards can
be used for free cooling. The system generally can also be realized in hot countries, where cooling is the main purpsoe
SolarIce-Shelter
underneaht frost barrier (ca. 1 m)
SolarIce-Shelter
underneaht frost barrier (ca. 1 m)
10

11. Heatpump
extracts heat from the SolarIce-Shelter and delivers it to the warm water buffer or to the
heat system.
SolarAir-AbsorberSolarAir-Absorber
SolarIce-Shelter
underneath frost barrier (ca. 1 m)
SolarIce-Shelter
underneath frost barrier (ca. 1 m)
Sole/Water-heatpump
electronic expansion valvel
soleside calibration to -10 °C
Sole/Water-heatpump
electronic expansion valvel
soleside calibration to -10 °C
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12. Regulation
„heat source management“
Regulation
„heat source management“
SolarIce-regulation
diriges the system and decides, when the SolarAir-Absorber delivers heat to the SolarIce-
Shelter or if the available energy goes directly over the heatpump into the building.
SolarAir-AbsorberSolarAir-Absorber
SolarIce-Shelter
underneath frost barrier (ca. 1 m)
SolarIce-Shelter
underneath frost barrier (ca. 1 m)
Sole/Wasser-Wärmepumpe
elektronc expansion valve
soleside calibration -10 °C
Sole/Wasser-Wärmepumpe
elektronc expansion valve
soleside calibration -10 °C
12

13. © Fraunhofer ISE
539
676
1722
2373
alle Werte in kWh
Energy flow of SolarIce-System

14. SolarEis im Stadtarchiv Stuttgart
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15. SolarEis im Stadtarchiv Stuttgart
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21. Vielen Dank
für Ihre Aufmerksamkeit!
isocal HeizKühlsysteme GmbH
Rheinlandstraße 10
D-71636 Ludwigsburg
www.isocal.de

22. actual project and references
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25. 1. Abhandlung zur Wärmebedarfsrechnung in Gebäuden:
1. Essay about thermal calculation for buldings.
„Die Größe des Ofens muss sich richten nach dem
Gemach, welches damit erwärmt werden soll“.
„The heaters size needs to be determined by the size of
the room to be heated with.“
Johann Georg Leutmann, Pfarrer 1720

27. „Wir haben gefunden, dass unter der Erde Kohlenvorräthe aus alten
Zeiten liegen, welche sich im Laufe so langer Zeiträume abgelagert
haben, dass alle historischen Zeiten dagegen verschwindend klein sind
[ ].
„We found supplies of coal, oil and gas beyond eaths surface, which
have been createdover so long periods of time, that all time of our
history is invisible compared with them“
Diese verbrauchen wir nun, und verhalten uns dabei wie lachende
Erben, welche eine reiche Hinterlassenschaft verzehren.
„Those we are on the way to consume them all and we behave like
laughing heritents, who just vandalize a rich heritage“