Fulltext results:
- Types of ventilation @planning:building_services:ventilation:basics
- air quality is especially essential and can only be achieved if "used" air is regularly replaced by f... days, the heat losses\\ during strong winds will be intolerably high. Gap ventilation is\\ therefore ... ventilation is insufficient, the air quality will be poor and there will be a risk of condensation occurring. * If too much ventilation takes place, th
- Air volumes @planning:building_services:ventilation:basics
- eas and new technologies, much better results can be achieved, but improved systems haven’t yet become... ar characteristics of the ducting network have to be determined by dimensioning the duct cross-section... continuous operation). * The device must still be able to transport the air flows necessary for pur... tion mode are relatively short), and it must also be possible to achieve the minimum output of 0.3 1/h
- Compact HVAC systems
- fresh air supply is left to chance, it shouldn’t be a surprise if there is poor indoor air quality. ... at is not recovered from the used air, there will be high ventilation heat losses – this isn't the way... f fresh air that is indispensable for hygiene can be provided for the supply air rooms (see heat capac... irement is extremely small - so small that it can be met by the 10 W/m² provided by a supply air heati
- Passive House - 6 reasons why you still need opening windows @planning:building_services:ventilation
- ot! There are multiple reasons why there needs to be at least one opening window in each room typicall... out for really cold (or hot) periods and may not be too high to keep the air from getting too dry (or... letely different type of ventilation system would be needed to allow for significantly higher air change rates. Such systems would be more expensive and less efficient; of course, in
- Differentiation between Vv and Vn50 values @planning:building_services:ventilation
- tilation system | Value of air volume that will be heated or cooled for calculating the n<sub>50</su... ial buildings, a standard height of 2.50 m should be considered, regardless of the actual height. | Ex... indoor humidity level during the winter that may be too low. For non-residential buildings, the mean value of all room heights should be entered here. The air volume V<sub>v</sub> is c
- Experience with drain water heat recovery @planning:building_services:heating_and_dhw:experience_with_drain_water_heat_recovery
- nsidering the large amounts of water that need to be processed in buildings and how much water can con... ce. Passive heat recovery or a heat pump can also be used to process gray water. Even the very first P... antages:\\ * These simple, passive systems can be planned and installed with little chance of mista... kes. * Total hot process water consumption can be decreased by 25 to 35 percent. * Not much spac
- Ventilation
- r air quality is indispensable. But this can only be achieved if stale air is exchanged with fresh out... air at regular intervals. This can definitely not be done by just opening windows twice a day. Ventila... other rooms with air pollution. Fresh air has to be supplied to the living room, children’s room, sle... or good indoor air quality; only outdoor air will be supplied – no recirculated air. This will lead to
- Comparison of energy performance of ventilation systems using passive vs. active heat recovery @planning:building_services:ventilation
- st-heating, which, pessimistically, is assumed to be direct electric. For the active system, only that... . The resulting total electricity demands can now be compared. ===== Investigated systems ===== Thre... d DIN 18599-6:2016** ===== Results ===== As can be seen from Figure 1 and Figure 2, a heat pump used... heating demand and peak heating load that need to be covered by the heating system. The properties of
- Heating and DHW
- nergy house in Schrecksbach, details of which can be found in the section Heating and DHW systems in P... anical convenience ventilation system should also be operated at the same time. The provision of combu... 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 c
- Sound generation, sound dispersion and sound proofing in heat pumps @planning:building_services:heating_and_dhw:heating:heat_pumps
- noise, i.e. the excitation source, should always be considered first. At this point, sound proofing measures can be put into practice most effectively and with the l... essors. Furthermore, considerable improvement can be achieved by coordinated decoupling of structure-b... ociated ductwork. The first sound absorber should be placed as near the unit as possible. Dimensioning
- The ventilation system – there is no alternative @planning:building_services:ventilation
- in the present case, the Pettenkofer value would be exceeded within the first hour, and by the end of... met, the most sensible and economical option will be to fulfil all the remaining Passive House criteri
- Supplying Passive Houses with sustainable energy @planning:building_services:heating_and_dhw
- mous agreement that greenhouse gas emissions must be stopped in the mid-term in order to stabilize the... n principle, although the postulate that tends to be behind this idea is somewhat questionable. \\ \\ ... ite – every kilowatt-hour of renewable energy can be used only once. Once we have reached the limits o... ple, imagine a village with 100 homes that are to be supplied with heat in a sustainable way. Each yea