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Exploring future climate trends on the thermal performance of attics: Part 1 - Standard roofs

: Fontanini, A.D.; Pr'Out, K.M.; Kosny, J.; Ganapathysubramanian, B.


Energy and buildings 129 (2016), pp.32-45
ISSN: 0378-7788
Journal Article
Fraunhofer CSE ()

Attic spaces experience complex heat and mass transfer in comparison to the rest of the building envelope. The thermal energy evolution of these unique spaces is further complicated due to complex geometries, multi layered material components, their non-linear material properties, and geographical locations. The proper design of attics plays a significant role in the amount of thermal energy transferred across the ceiling to the occupied space and the energy usage of the building envelope. This is especially important in the context of changing climatic conditions which affects the energy demand of residential as well as commercial buildings. This study investigates the impact of current and predicted future climates on different attic forms in multiple locations across the U.S. For this analysis we utilize a recently developed, validated attic energy analysis model, the Fraunhofer attic thermal model. Six attic geometries (constructed according to architectural standards) are considered.