“…Existing research has identified a variety of factors fostering and/or hindering the adoption process and identified variables influencing environmentally significant decision-making [29]. Diffusion of innovation and technology acceptance [6][7][8][9]12,14,[30][31][32], willingness to pay, spending motivation, and new business models, such as contracting and leasing [11,[15][16][17][33][34][35][36][37][38][39], diverse household preferences on renovation [33,40], sociodemographic factors [29,35,40], barriers of adoption [12,35,41], etc., are only some examples of the existing approaches. Furthermore, there are several theories or models relating to decision-making and energy use in dwellings.…”