Fulltext results:
- Types of ventilation @planning:building_services:ventilation:basics
- aced by fresh air. Opening windows twice a day is not enough (see [[[planning:building services:Ventil... ies for ordinary new buildings. The issue here is not energy efficiency, but the health of the buildin... rgy conservation - but it turns out that there is no conflict at all, if efficient components are used... envelope ===== Gap ventilation through leaks is not adequate in the heating period at all (see also
- Air volumes @planning:building_services:ventilation:basics
- mes without ventilation systems), therefore it is not energy-relevant or practical! Of course, it is ... the quality of the external air, but in reality, noise caused by the air flow and draughts would have... or air humidity is the primary limiting factor if no humidification is planned for (increased effort f... at the systems are almost always operated at the "Normal" setting in spite of the fact that it is poss
- Ventilation
- oor air at regular intervals. This can definitely not be done by just opening windows twice a day. Ven... air quality; only outdoor air will be supplied – no recirculated air. This will lead to a high level ... :picopen:hausgrafik_lueftung_daemmung_2023_en.jpg?nolink&300x305|The basic principle of Passive House ... mfortable indoor conditions. It is essential that not only the planned volume flow rates are achieved
- Compact HVAC systems
- there is poor indoor air quality. * If heat is not recovered from the used air, there will be high ... e doesn’t have to be heated then.**}}] Of course, not only Passive Houses can be heated using biomass.... grammes of pellets for fuel are required per day. Not much space is needed to store this – it would ev... pact unit together with the exhaust air; there is no need for a separate chimney or flue pipe. Hence,
- Comparison of energy performance of ventilation systems using passive vs. active heat recovery @planning:building_services:ventilation
- ion for the ventilation of residential as well as non-residential Passive Houses is a ventilation unit... is carried out for nine different climates across North America. By means of an hourly simulation we c... h/m³. The resulting total electricity demands can now be compared. ===== Investigated systems ===== ... 949 hours with outside temperatures below -3 °C). Note that it is generally not recommended to use sim
- Passive House - 6 reasons why you still need opening windows @planning:building_services:ventilation
- osed at all times? ==== \\ **Wrong** – Absolutely not! There are multiple reasons why there needs to b... a comfortable range (well, and as long as you are not building on Mars, there are only a few exception... laid out for really cold (or hot) periods and may not be too high to keep the air from getting too dry... they offer maximum flexibility. Most users would not want to miss windows as a “connection to the out
- Supplying Passive Houses with sustainable energy @planning:building_services:heating_and_dhw
- han or equal to zero. This simple definition does not clarify which demand is being used or whether pr... f availability, we will have to return to fossil (non-sustainable and nonrenewable) energy sources. \\ \\ For example, imagine a village with 100 homes th... cubic meters of wood can be cut for this purpose. No other renewable energy sources are available (in
- Differentiation between Vv and Vn50 values @planning:building_services:ventilation
- cessary to ensure an appropriate air quality. For non-residential buildings, the value is merely infor... the calculation of the air exchange rate and does not really influence the calculation of ventilation ... hts in residential buildings it is recommended to not enter a larger value, since this would tend to r... level during the winter that may be too low. For non-residential buildings, the mean value of all roo
- Sound generation, sound dispersion and sound proofing in heat pumps @planning:building_services:heating_and_dhw:heating:heat_pumps
- analysing potential sound paths, the cause of the noise, i.e. the excitation source, should always be ... s the primary task of manufacturers to select low-noise ventilators and compressors. Furthermore, cons... ssible. Dimensioning of the sound absorber should not only ensure that the limit values for the A-rate... 1982. (Emission parameters for technical sound sources, ventilators, VDI Handbook Noise Prevention)
- The ventilation system – there is no alternative @planning:building_services:ventilation
- ====== The ventilation system – there is no alternative ====== Author: Dr. Vajda József, University o... drops in temperatures during the winter, traffic noise, insects, outside dust pollution etc.). * Th
- Experience with drain water heat recovery @planning:building_services:heating_and_dhw:experience_with_drain_water_heat_recovery
- mption can be decreased by 25 to 35 percent. * Not much space is needed, and a variety of systems i... ecome more common. * In bigger buildings, the nominal heat production output and storage tank size... cted to the same heat exchanger, cold showers may not be possible. * If the heat exchanger is only
- Heating and DHW
- dings, the transportation and storage of fuels is not a problem. The required amount of fuel can be ea