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Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 1 Housetraining Energy Efficiency From conjectures.

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Presentation on theme: "Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 1 Housetraining Energy Efficiency From conjectures."— Presentation transcript:

1 Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 1 Housetraining Energy Efficiency From conjectures about user behaviour to an understanding of energy use in buildings

2 Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 2 Outline Conjectures about energy consumption What is the utility of energy efficiency? Who should control energy consuming devices? Understanding energy consumption The structured domain of everyday life Conclusions

3 Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 3 I. Conjectures about user behaviour

4 Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 4 Utility Conjecture I: Users implement energy efficiency in order to save money The rebound effect But: An extended concept of utility: Individuals and even firms may actually introduce energy efficiency in order to save energy («altruistic reasons», Wiser, Fowlie and Holt 2001) “Irrationality”: Folk theories & Conspicuous energy efficiency Not every human activity involves energy consumption (e.g.: “What is comfort/convenience?”) Differentiation is needed, but what do we make out of that?

5 Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 5 Control Conjecture II: User want to control energy consumption, however, an automatic management would be more efficient Against user control In large systems optimal input-output values are only achieved using an “interpersonal” perspective In favour of user control Advanced technology has to be shut down because of user complaints (Jagemar 2002) Thus, a “balance” between control and automatic adjustment is desirable – but what does that mean?

6 Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 6 II. Understanding Energy consumption

7 Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 7 Everyday life I We do not use energy, but we heat/cool commute to work and back travel to a conference... We prioritise actions/people/artefacts according to the meaning they have for us Most of the time we do not think at all ;-)

8 Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 8 Everyday life II The most important type of action: Stable routine Structured by repeating patterns of space and time (e.g. home-work) Exchanges: Moral and instrumental economies Technologies are «domesticated»

9 Institutt for tverrfaglige kulturstudier NTNU, 7491 Trondheim, Norge 11/20/03 / Page 9 Energy consumption in everyday life Study use of energy consuming devices instead of energy consumption! Most of the devices consuming most energy provide infrastructure for everyday tasks and routines Utility: Physical comfort & Mobility Two roads to energy savings: changing everyday routines to do with comfort and mobility or leaving them untouched Control: Active incorporation leads to invisible technology – domestication of automation


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