El estado hace entrega del 30% de las viviendas que se habitan por año en la ciudad de Mendoza, Argentina. El presente trabajo evalúa: (a) la calidad térmico-energética de una vivienda social, por medio de mediciones in-situ en condiciones de uso real; (b) el requerimiento energético necesario por medio de un balance; (c) la simulación de la vivienda en el programa SIMEDIF, donde se ajustó el modelo y se ensayaron mejoras de aplicación fácil y económica; y (d) un sondeo cualitativo de las sensaciones térmicas. Los resultados mostraron que el edificio presenta un déficit en su rendimiento térmico-energético: los consumos energéticos reales son menores a los resultados obtenidos por cálculo. Esto se presume debido a que el usuario se ve imposibilitado de asumir el costo económico por el consumo energético que supondría mantener la vivienda en condiciones de confort. Las mejoras de la calidad térmica de la envolvente, simuladas luego de ajustado el modelo, implican el 35.6% de ahorro de energía auxiliar y el logro de condiciones de confort dentro de los espacios.

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Zero Energy Buildings (ZEB) promote a comprehensive view of sustainable architecture and a profound change in the way to build. Research and development in energy transition must necessarily face technological and socio-economic issues. In that line, the goal here is to offer a response to minimize the building sector’s energy and environmental impact. To this end, a review of the state of the art of the subject was carried out, where 97 scientific articles from a period comprising 2006 to 2020, considered the most pertinent, were selected. The methodology consisted of analyzing these texts based on ten questions formulated to address the subject: their origins, current status and future projections regarding energy efficiency and sustainability. The questions refer to definitions (Q1), sustainability (Q2), technologies involved (Q3), emissions (Q5), energy (Q4) (Q6) (Q7), regulations (Q8), climate change (Q9), and future projections (Q10). The work allows concluding that ZEB are integrated in a holistic way in the transformation towards a renewable and sustainable future in terms of energy solutions and, in turn, they have the potential to be implemented in different geographical and climatic positions.

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The use of solar energy is essential in transforming today's human environments into tomorrow's sustainable human habitats. This paper presents the positive impacts produced by the adoption of energyefficient cooking equipment -using heat retention box cookers and the solar drum ovens -in the arid zone of Argentina. These solar cooking technologies improve the quality of life for local populations and, at the same time, save energy, time and effort in trying to obtain firewood. They minimize serious health problems associated with greenhouse gas (GHG) emissions control. The study documented in this paper demonstrates that usage of these technologies results in the saving of 65.7% of Liquefied Petroleum Gas (LPG) and 63.8% of Firewood (FW) utilized in Argentina's rural and arid zone. These results indicate that, if 50% of the arid zone population were to adopt these technologies, a reduction of 3.09kg CO 2 of greenhouse gases per capita from 2015 to 2050 is possible.