planning:building_services:heating_and_dhw
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planning:building_services:heating_and_dhw [2014/09/18 18:19] – external edit 127.0.0.1 | planning:building_services:heating_and_dhw [2018/07/02 10:22] (current) – [Heat pumps] cblagojevic | ||
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===== Heating and DHW systems - overview ===== | ===== Heating and DHW systems - overview ===== | ||
- | Experiences with Passive House heating systems over many years show that compact units have considerable advantages. Besides the economic benefits due to synergetic effects, positive aspects include the fact that less time is required for installation and start-up (and there are fewer error sources), as well as less installation space in the room. [[planning: | + | Experiences with Passive House heating systems over many years show that compact units have considerable advantages. Besides the economic benefits due to synergetic effects, positive aspects include the fact that less time is required for installation and start-up (and there are fewer error sources), as well as less installation space in the room. [[planning: |
===== Heating and DHW systems - comparison ===== | ===== Heating and DHW systems - comparison ===== | ||
- | This article deals with the update of the feasibility studies prepared in the 20th and 26th sessions of the Research Group for Cost-effective Passive Houses [AkkP 20] and [AkkP 26] Using the example of an intensively researched building (low-energy house in Schrecksbach, | + | This article deals with the update of the feasibility studies prepared in the 20th and 26th sessions of the Research Group for Cost-effective Passive Houses [AkkP 20] and [AkkP 26] Using the example of an intensively researched building (low-energy house in Schrecksbach, |
===== Combustion heat in the Passive House ===== | ===== Combustion heat in the Passive House ===== | ||
- | An important aspect, especially in the Passive House, is the operation of the heat generator inside the heated volume of the building. A mechanical convenience ventilation system should also be operated at the same time. The provision of combustion air for the fireplace and in particular the safety mechanisms that may be necessary for any malfunctioning of the ventilation system must be ensured satisfactorily. The airtightness of the construction must also be assured for a high quality Passive House building envelope. [[planning: | + | An important aspect, especially in the Passive House, is the operation of the heat generator inside the heated volume of the building. A mechanical convenience ventilation system should also be operated at the same time. The provision of combustion air for the fireplace and in particular the safety mechanisms that may be necessary for any malfunctioning of the ventilation system must be ensured satisfactorily. The airtightness of the construction must also be assured for a high quality Passive House building envelope. [[planning: |
===== Biomass heating in Passive Houses ===== | ===== Biomass heating in Passive Houses ===== | ||
- | Besides the particularly favourable CO2 balance, there are many other advantages of using biofuels, especially in the Passive House. Due to the extremely small heating demand, very little space is needed for storing fuels. In contrast with the situation in conventional buildings, the transportation and storage of fuels is not a problem. The required amount of fuel can be easily purchased and transported with the household shopping. [[Planning: | + | Besides the particularly favourable CO2 balance, there are many other advantages of using biofuels, especially in the Passive House. Due to the extremely small heating demand, very little space is needed for storing fuels. In contrast with the situation in conventional buildings, the transportation and storage of fuels is not a problem. The required amount of fuel can be easily purchased and transported with the household shopping. [[Planning: |
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===== Experience with drain water heat recovery ===== | ===== Experience with drain water heat recovery ===== | ||
Domestic wastewater is generally warmer than 20 °C, while wastewater from hot showers can reach as much as 35 °C. Considering the large amounts of water that need to be processed in buildings and how much water can contribute to heating, it makes perfect sense to use this heat source in some way. | Domestic wastewater is generally warmer than 20 °C, while wastewater from hot showers can reach as much as 35 °C. Considering the large amounts of water that need to be processed in buildings and how much water can contribute to heating, it makes perfect sense to use this heat source in some way. | ||
- | [[planning: | + | [[planning: |
===== Supplying Passive Houses with sustainable energy ===== | ===== Supplying Passive Houses with sustainable energy ===== |
planning/building_services/heating_and_dhw.1411057157.txt.gz · Last modified: 2014/09/18 18:19 by 127.0.0.1