Houses heated entirely by solar energy all year round

Transcription

1 Houses heated entirely by solar energy all year round Jenni Energietechnik Inc.

2 Jenni Energietechnik Inc. Oberburg (Switzerland) 2

3 First advertisement for a fully solar-heated house in the magazine of the Swiss Solar Association, 1981 Jenni Energietechnik AG

4 1 st European 100% solar house in Oberburg (Switzerland), 1989 Jenni Energietechnik AG

5 1 st European 100% solar house in Oberburg (Switzerland), 1989 Jenni Energietechnik AG

6 1 st European 100% solar house in Oberburg (Switzerland), 1989 Jenni Energietechnik AG

7 1 st European 100% solar house in Oberburg (Switzerland), 1989 Winter, January 1990

8 1 st European 100% solar house in Oberburg (Switzerland), 1989 Temperature in the seasonal hot water tank

9 Follow-up projects in Landiswil, Switzerland Jenni Energietechnik AG

10 Follow-up project in Heimiswil, Switzerland Jenni Energietechnik AG

11 Hundreds of follow-up projects in Germany Jenni Energietechnik AG

12 Follow-up project in Regensburg, Germany Heat storage: Temperature in the tank is high enough to provide heat energy during the winter Jenni Energietechnik AG

13 Follow-up project in Kappelrodeck, Germany Heat storage: Temperature in the tank is high enough to provide heat energy during the winter 100 Temperature sensors C Jenni Energietechnik AG

14 Construction of single-family houses: Heating (almost) exclusively with solar energy! = Independence from external energy! Solar heating fraction % m 2 solar heater collectors Roof pitch Orientation south Hot water tank m 3 Height 4 6 m Diameter 2 3 m Efficient heat insulation of the building Optimal windows Additional costs compared to an ordinary house: EUR 30`000. Jenni Energietechnik AG

15 From an ordinary house Solar system for hot water and heating Energy demand solar house Remaining energy demand Passive sun use Energy demand ordinary house Ventilation with heat recovery Energy demand low energy house Heat insulation to a low energy solar-heated house Jenni Energietechnik AG

16 Solar system with high solar fraction Collectors Jenni Solar System Hot water Boiler V1 P1 V4 P4 PH Heater (wood, pellets, heat pump, oil, natural gas, etc.) VH Apartment heating Cold water Swiss Solartank Jenni Energietechnik AG

17 Solar power center with: - Seasonal hot water tank (9400 l) with integrated hot water boiler and heat exchanger -Heat insulation - Control unit -Fittings for EUR 15`000. Jenni Energietechnik AG

18 Water heating stoves as a central heating 18

19 19

20 20

21 21

22

23 Source: : Ernst Schweizer AG

24 Jenni Energietechnik AG Quelle: Ingenieurbüro ro Spescha, Schwyz

25 Foliensatz Solaranlagen Source: Sonnenhaus-Institut 25

26 Vision of an entirely solar-heated apartment house, 1985 Jenni Energietechnik AG

27 1 st 100% solar-heated apartment house Side plan Jenni Energietechnik AG

28 1 st 100% solar-heated apartment house Ground plan Jenni Energietechnik AG

29 1 st 100% solar-heated apartment house with a seasonal heat accumulator and without auxiliary heating (Oberburg / Switzerland) Functional schematic Jenni Solar System Jenni Energietechnik AG

30 Temperature profile

31 31

32 Transport of the storage tank (205`000 l, 17 m height, 4 m diameter) 32

33 33

34 1 st 100% solar-heated apartment house Transporting the tank from the factory to the building site Jenni Energietechnik AG

35 35

36 Final position of the solar water tank Jenni Energietechnik AG

37 37

38 1 st 100% solar-heated apartment house Installing the collectors (276 m 2 ) Jenni Energietechnik AG

39 Completion 2007 Jenni Energietechnik AG

40 Follow-up projects Jenni Energietechnik AG

41 Powerstation B, Bennau (Switzerland) Source: Grab Architekten

42 Apartment house in Altendorf (Switzerland) 2 x Houses, each 6-7 apartments 45 m 2 collectors 14 m³ storage tank heat pump 25 kw

43 Apartment house in Altendorf (Switzerland) 2 x Houses, each 6-7 apartments 45 m 2 collectors 14 m³ storage tank heat pump 25 kw

44 Apartment house in Spreitenbach (Switzerland) Source: Apartment house National low-energy standard 7 apartements 64m 2 collectors 21m³ storage tank Pellets heating system

45

46 2 x apartment house, each 700 m 2 net dwelling area 132 m 2 collectors 77 m³ storage tank district heating (100 kw wood chips) 2 apartment house in Laufen (Germany)

47 Apartment house national low-energy standard Beispiel eines 28 apartments Nachfolgeprojekts 140 m 2 collectors 55 m³ storage tank heat pump Mehrfamilienhaus in Eiken (Aargau) Apartment house in Eiken (Switzerland)

48 Beispiel eines Nachfolgeprojekts Apartment house in Eiken (Switzerland) Mehrfamilienhaus in Eiken (Aargau)

49

50 Solarspeicher nach DE-Chemnitz 50

51 future prospects Jenni Energietechnik AG

52 Newly buildt production hall for solar storage tanks Jenni Energietechnik AG Jenni Energietechnik AG 52

53 Solarspeicher nach DE-Chemnitz 53

54

55 Further 100% solar heated apartment houses

56 Further 100% solar heated apartment houses

57 Investment example of a 100% solar heated apartment house, 8 housing units Costs of construction apartment house incl. solar heating system, excl. parcel of land Cost estimation: ca. CHF 3.3 Mio. excl. VAT Conventional heat pump (air-water): Solar heating system storage tank 110 m³ &180 m 2 collectors: ca. CHF 40`000. ca. CHF 250`000. net additional costs solar heating: CHF 210`000. ca. 6% of the building / per apartment: CHF 26`000. Not included: Heat distribustion either way Place requirement storage tank Roof covering (south) 57

58 therefore our declaration of independence with solar thermal heating systems!

59 Jenni Energietechnik AG

60 Houses heated entirely by solar energy - the best solution not to be cold in the future! Jenni Energietechnik AG

61 Thank you for your time! Renewable Energy: Sun, Heat recover y, Municipal heating Jenni Energietechnik AG CH-3414 Oberburg (Switzerland ) Phone [email protected] / Jenni Energietechnik AG Josef Jenni