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 ... there is an increased risk of high air humidity. Because we cannot perceive the indoor air quality ou... ventilation is insufficient, the air quality will be poor and there will be a risk of condensation occ
- Air volumes @planning:building_services:ventilation:basics
- ople tend to complain.\\ Scientific studies have been carried out regarding **additional ventilation ... riod. Although this still occurs sometimes, it is becoming less and less common (as it is an old habit... lled ventilation system with air volumes shifting between the ground floor and the sleeping area in th... that with clever ideas and new technologies, much better results can be achieved, but improved systems
- 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
- 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... n is activated when the outside temperature drops below -3 °C. - Passive energy recovery. Frost protection below -10 °C. - Passive heat recovery core using d
- 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 typically used for living (bedrooms, living room, kitchen). The best option is a turn and tilt fitting. At least this is true for a... out for really cold (or hot) periods and may not be too high to keep the air from getting too dry (or
- 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
- Differentiation between Vv and Vn50 values @planning:building_services:ventilation
- ====== Differentiation between Vv and Vn50 values ====== The present document is meant to clarify t... 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
- 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
- Heating and DHW
- that compact units have considerable advantages. Besides the economic benefits due to synergetic effects, positive aspects include the fact that less tim... 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
- The ventilation system – there is no alternative @planning:building_services:ventilation
- \\ The following sample calculation is based on a bedroom (room volume 35 m³) that is occupied by 2 pe... conditions are as follows: * The windows of the bedroom are always closed during sleeping times (to ... in the present case, the Pettenkofer value would be exceeded within the first hour, and by the end of... uld have reached 0.8 vol. % (see table and figure below).\\ \\ Table: increase in the concentration of
- 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
- 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. \\ \\ The common definition for zero-carbon / zero-emissio... imple definition does not clarify which demand is being used or whether primary, final or useful energ
- Checklist for Design: Ventilation System in a residential Passive House Building @planning:building_services:ventilation
- ystem in a residential Passive House building has been written to aid building designers. ---- Down