1. Group assignment Designing a PT-tool Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane

2. Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane “Two level” ownership Those who actually live in the appartment building Owner / Manager of the appartment building

3. Context Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane 1.Sensor controled device responsible for the irrigation and illumination system. Accessible by the manager. 2.Computer that controls lights, lifts, ventilation and other equipments inside common building spaces. Accessible by staff. 3.Family level computing. Accessible by the family. Exchanges information through internet with the family and the managment.

4. Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane Apartment level –Every apartment has a computer taking care of all input and output. –Using technology like “blue tooth” all electronic equipment and measurement devices can communicate together and to the computer. –Via PDA like devices the computer communicates with the user. Building level –The main computer receives all required information and redistributes this, processed into useful information, to the apartments. –The manager that operates the building and it’s site receives all necessary information on the computer. PT infrastructure

5. Energy use Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane Motivation to do something about it Financial : saving money,... Legal : complying to (international) regulations on energy saving, … Social : lessen the burden for future generations,... Main problems with energy use Global : environmental (global warming, depletion, waste,...) Personal : energy bill (energy prize, regulating taxes,...)

6. Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane Energy consumption –Electricity : Increased efficiency / no more Standby / Sensible use –Gas : Sensible use of heating / Reduction of warm water usage Embodied energy waste –Recycling : Glass and paper can be recycled, make it easy for the people! –Food : “Don’t grow a cow that you are not going to eat!” –Wasting : Use a normal glass instead of single use cups! Water consumption –Shower : “Five minutes is enough!” –Domestic appliances : “Load the washing machine economically!” Opportunities

7. Where to save energy? Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane WaterElectricityHeatingProblem Shower x To much water is used Sink x To much water is used Washing machine xx Expensive electricity during the day No use of full capacity Dryer x Use because it is “easy” Computer x It is on when it is not used Household appliances x It is on when it is not used Windows x Open when heating is on Refrigerator x Door stays open for too long Lights x Lit when nobody is in the room Exhaust in kitchen xx Stays on too long

8. Persuasion Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane How one can be persuaded? Rational / Moral arguments –Education : Information (creating awareness, showing opportunities) Emotional arguments –Competition : People whish to be better than others! –Rewarding : Positive effects connected to desired behavior –Punishment : Negative effects connected to undesired behavior

9. Persuasion Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane WaterElectricityHeatingPersuasion Shower x Clock, counting the liters Sink x Alarm Washing machine xx Message on the screen Dryer x Connection to weather system Computer x Pop up Household appliances x Alarm Windows x Alarm and message on the screen Refrigerator x Alarm Lights x Alarm Exhaust in kitchen xx Alarm

10. Effects Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane Practical effects Each household appliance should have an interface of information/persuasion, so that one can be aware of his energy use/cost. Central computer and satelites software with persuasive reminder forms that can be disable or enable by its users or in bad behavior cases by manager. Goals Education towards energy use Create awareness of the energy quantity (KW/h) needed for each appliance. Persuasion based on freedom of choice. PT tool as a reminder Reward or punishment in function of your behavior

11. Ethics Martijn Renes Pedro Almeida Willemijn van de Wetering Masterclass by Associate Professor, Architect SAR Örjan Svane Towards PT tool Is it correct when the PT tool interfere with your freedom? How far punishment for a bad behavior can go? Till what point PT tool can offend you? Towards society Who can have access to your PT tool data? Is everyone able to see your energy use? Is it possible to catalogue individual energy consumption? Is it ethic to invest in this technology when there are people dying with hungry?