Effect of technical building system types on load matching indicators for net zero energy residential buildings

Gergely, László Zsolt and Csoknyai, Tamás and Horváth, Miklós (2024) Effect of technical building system types on load matching indicators for net zero energy residential buildings. In: Proceedings of Building Simulation 2023. Building Simulation Conference proceedings (18). IBPSA World, Shanghai, pp. 1916-1922. ISBN 9781775052036

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Abstract

To decarbonize residential building stocks, on-site photovoltaic generation is a widespread solution. A consequent issue is the simultaneity of the generation and the load of the households. With the help of dynamic building energy performance simulation in TRNSYS this work focused on the load matching indicators of net zero energy buildings with different technical building systems and three building types. Results revealed that higher shares of domestic hot water production in the electricity demand as well as higher amounts of cooling need can improve the indicators. Nevertheless, it must be noted that the mutual presence of these increased loads can also worsen the results. Yet, air-to-air heat pump systems with electric water heater consistently outperformed air-to-water heat pump systems. © 2023 IBPSA.All rights reserved.

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