Abstract
The basic concept in the design of buildings with zero energy consumption is, in addition to high-quality thermal properties of the building envelope, also a correct and efficient system of heating and hot water preparation in residential buildings. One of the basic concepts when designing heating systems is a zone heating system. It is a system that brings effective regulation according to heating zones. In practice, the question sometimes arises as to whether zone regulation of individual rooms in small family houses is necessary. That is whether in such buildings, zone heating is not an unnecessary investment cost. In this paper, we analyze the effect of zone heating in two types of heat transfer systems on the internal operating temperature in the individual analyzed zones, which are interconnected by an internal partition structure. It is a verification that even in smaller spaces, zone heating has a significant potential for energy savings.
Highlights
Act no. 300/2012 Coll. [1] stipulates that from 01 January 2021 buildings with almost zero consumption will have to be designed [2, 3]
We analyze the effect of zone heating in two types of heat transfer systems on the internal operating temperature in the individual analyzed zones, which are interconnected by an internal partition structure
Except of the thermal technical properties of the building envelope, which is part of the thermal protection of buildings, the selected heat source for heating and hot water has a significant impact on the energy class of residential buildings
Summary
Act no. 300/2012 Coll. [1] stipulates that from 01 January 2021 buildings with almost zero consumption will have to be designed [2, 3]. A building with almost zero consumption is classified in terms of energy efficiency of buildings in energy class A0 for the global indicator, which is primary energy. Except of the thermal technical properties of the building envelope, which is part of the thermal protection of buildings, the selected heat source for heating and hot water has a significant impact on the energy class of residential buildings. We analyze, in a selected residential room, the impact of the heating transfer system on zone heating, which is one of the basic concepts for buildings with almost zero energy consumption. One zone is realized with a heat source and the other zone without
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