O comportamento do usuário afeta o impacto ambiental gerado durante a fase de uso das edificações e de produtos em geral. O Design para o Comportamento Sustentável (DCS) é uma abordagem que visa tornar o comportamento do usuário mais sustentável através do design do produto. Apesar de estar sendo estudada principalmente nas duas últimas décadas, poucos estudos examinam a eficácia dessa abordagem e a aplicam em edificações escolares. A aplicação de estratégias de DCS em edificações escolares pode trazer benefícios, uma vez que as crianças têm influência no ambiente em que estão inseridas e no comportamento dos adultos ao seu redor. O objetivo deste estudo é propor e avaliar uma solução desenvolvida a partir de estratégias de DCS para criar um ambiente escolar que torne o comportamento do usuário mais sustentável. Primeiramente, os comportamentos que afetam o impacto ambiental nas edificações escolares foram identificados. Após, um kit de adesivos para sanitários (EcoSticker) foi proposto e implementado em duas escolas. O consumo de recursos (energia, papel higiênico, papel toalha e sabão) antes e após a intervenção foi medido. Posteriormente, entrevistas, questionários e um workshop foram realizados para entender melhor os dados de consumo coletados e a percepção dos usuários sobre o kit. O consumo de energia diminuiu nas duas escolas, demonstrando que o EcoSticker pode alterar positivamente o comportamento do usuário. A partir deste trabalho foram obtidos os potenciais benefícios e limitações da aplicação de estratégias de DCS em edificações escolares. / The user behaviour affects the environmental impact generated during the usage phase of buildings and products in general. Design for Sustainable Behaviour (DfSB) is an approach that focus on influence users to behave more sustainably through the product design. Although it has received attention particularly in the last two decades, few studies examined the effectiveness of such approach and apply it on school buildings. The application of DfSB strategies in school buildings can bring some benefits, once children have influence on their environment and on how adults behave. The goal of this study is to propose and test an artefact developed according to the DfSB strategies to create a school environment that leads to a more sustainable behaviour. First, behaviours on school buildings that affect the environmental impact were identified. Then, a toolkit for washrooms (EcoSticker) was proposed and implemented in two schools. The resources consumption (energy, toilet paper, paper towel and soap) prior and after the intervention was measured. Afterwards, interviews, questionnaires and a workshop were carried out to further understand the consumption data collected and users’ perception of the toolkit. The consumption of energy have decreased in both schools, demonstrating that the EcoSticker toolkit can change user behaviour positively. At the end, the potential benefits and constrains in applying DfSB strategies on school buildings were discussed.

Today, circular economy is becoming more and more important to think about when developing new solutions, and considering the growing and aging population it may be extra important when it comes to the design of solutions for health care. This thesis aims at exploring how a digital health technology solution for incontinence care can be designed to contribute to a circular economy. In order to achieve the aim, a case study is performed with the intention to answer four different research questions. To gather data and information, the study also uses methods such as interviews, surveys, and a literature study. The first conclusion that can be drawn is that there are eight different circular design strategy categories, each category with a unique focus area, that are assessed to be suitable to investigate for the given purpose. Three examples of focus areas of these categories are to reuse resources, to influence the user behaviour, and to prolong the use phase for a solution somehow. Furthermore, the users and the production company are seen as the most significant actors for the studied digital health technology solution, and together they have ten important requests including needs regarding provision of knowledge, easily understandable solutions, and peace of mind to mention some. Based on the conclusions regarding circular design strategies and important requests, three concepts are developed which in different ways are assessed to contribute to both circularity and to fulfilling actor requests. One of the concepts focuses on prolonging the use of some components by providing an adapted cleaning kit to keep the components at a high hygienic standard. Another concept focuses on encouraging correct usage of the whole solution through giving the users personal statistics and notifications related to monetary and environmental costs. The last concept aims at providing a simple way to return reusable components to the company in order to enable reuse by another user. Finally, conclusions regarding positive and negative aspects of the three developed concepts are presented, focusing on attributes such as circularity and value creation. The thesis presents different ways regarding how circular design strategies can be applied to a digital health technology solution, which can inspire and aid organisations in their way towards providing solutions that are adapted to fit a circular economy.