This dataset contains transcripts from 8 semi-structured qualitative interviews, conducted as part of the research project eCAPE (New Energy Consumer Roles and Technologies – Actors, Practices and Equality), running from 2018-2024. eCAPE is financed by the European Research Council (ERC) under the European Union´s Horizon 2020 research and innovation program (grant agreement number 786643). The project is led by Professor Kirsten Gram-Hanssen from Department of the Built Environment, Aalborg University. This sub-project examined how consumers and residents are part of a flexible energy system using smart heating technologies, and how such technologies affect their everyday lives. This part of the project mainly deals with everyday life at home, daily routines and tasks, energy consumption and comfort, as well as interactions with technologies and appropriation. The interviews were conducted in 2019-20 and different types of households were interviewed in their homes, on different locations. The interviews were conducted by Line Valdorff Madsen from Department of the Built Environment, Aalborg University. Interviews were transcribed by a professional. The interviews were coded and analysed in Nvivo by Line Valdorff Madsen. The recruitment process and interview method are further described in the related peer-reviewed publications. All names are removed in transcripts and participants’ occupation and other personal data have in some cases been altered or removed to ensure anonymity. Alterations are marked with brackets, where anoymised words or sections are indicated with [anonymised]. Participants received written and oral information on the research purpose and handling of their personal data and gave their written or oral consent to participate. The interviews were conducted in the participants’ homes, except for one telephone interview. Photos were taken during the interviews with participants’ consent, but these photos are not published in the dataset due to the protection of the anonymity of participants. Apart from the interview transcripts this dataset contains the interview guide (Danish and English version). Apart from the interview transcripts this dataset contains the interview guide (Danish and English version) and the posted call for research participants (Danish and English version). To this date, the interview data have been analyzed in two journal papers: Aagaard, L. K., & Madsen, L. V. 2022. ‘Technological Fascination and Reluctance: Gendered Practices in the Smart Home’. Buildings and Cities 3 (1): 677–91. https://doi.org/10.5334/bc.205. Madsen, L. V., Larsen, S. P. A. K. & Hansen, A. R. 2023. 'Embodied competencies and smart home technology in energy use: three ways users integrate smart heating systems in everyday practices'. Energy Efficiency 16 (55): https://doi.org/10.1007/s12053-023-10138-0