octubre 17, 2016

Demanda de aire acondicionado aumentará en las próximas décadas

Los sistemas de calefacción y refrigeración representan en la actualidad alrededor del 40% del consumo energético de un edificio en todo el mundo, según reveló un estudio presentado por la Agencia Internacional de Energía (IEA).

La Agencia asegura que debido a que el nivel de vida aumenta, se espera que más del 80% del crecimiento en el aumento del espacio de refrigeración tendrá lugar en las economías emergentes y en desarrollo, empujando hacia arriba la demanda de energía.

Gran parte de ese crecimiento tendrá lugar en las ciudades, que es también el lugar donde se encuentra el mayor potencial de ahorro de energía. Bajo el escenario de la AIE que limita el crecimiento de la temperatura global a 2 grados para el año 2050 (o 2DS), las áreas urbanas serán responsables de casi el 85% de los ahorros energéticos anticipados en los sistemas de refrigeración.

En los países de la OECD, una parte significativa de espacio de la demanda de refrigeración de hoy proviene del sector de servicios. Sin embargo, en países fuera de la OECD, el consumo de energía de los sistemas de refrigeración en los edificios residenciales se espera que aumente dramáticamente a medida que se incremente la demanda de confotr en los hogares en los climas cálidos. Esto será impulsado por un aumento de más de 900 millones de nuevos hogares que se esperan para el año 2050 en las zonas urbanas de los países fuera de la OCDE.

La IEA indica que estos nuevos hogares representan una oportunidad para implementar soluciones tecnológicas innovadoras y políticas que pueden limitar la demanda de energía para la refrigeración, y mantener el mundo bajo el escenario de 2 grados. Estos incluyen, por ejemplo, la aplicación de los códigos de construcción de energía que reduzcan la demanda de refrigeración a través de eficiencia de edificios y tecnologías de equipos, incluido renovaciones de servicios existentes en edificios. En los edificios nuevos, la primera prioridad en el diseño de edificios y la política de desarrollo debe ser reducir la necesidad de refrigeración por completo. Por ejemplo, en climas cálidos, nuevas renovaciones de construcción y edificación podrían incorporar superficies reflectantes. En algunos casos, los edificios pueden tomar ventaja de la ventilación natural y la noche. Estas innovaciones pueden en última instancia, reducir las necesidades de inversión de energía al tiempo que aumenta el confort residencial.

Refrigeración y Aire Acondicionado
Sobre Bitzer

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