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:Ventila... ies for ordinary new buildings. The issue here is not energy efficiency, but the health of the building... envelope ===== Gap ventilation through leaks is not adequate in the heating period at all (see also [... e too much in Central Europe. In a house which is not leaky enough for sufficient air exchange during p
- Air volumes @planning:building_services:ventilation:basics
- mes without ventilation systems), therefore it is not energy-relevant or practical! Of course, it is p... The conclusion from today's perspective: it is not practically relevant, too much maintenance is req... rt the air flows necessary for purge ventilation (not with maximum efficiency as the operation periods ... === More is better? In the case of ventilation – not necessarily! ==== The size of the unit should be
- 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 be... a comfortable range (well, and as long as you are not building on Mars, there are only a few exceptions... laid out for really cold (or hot) periods and may not be too high to keep the air from getting too dry ... , in some circumstances such systems can provide another solution. Providing large volumes of air by op
- Compact HVAC systems
- there is poor indoor air quality. * If heat is not recovered from the used air, there will be high v... 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 eve... hat is still being developed and unfortunately is not yet available on the market. There are already s
- 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 pri... arbon buildings in terms of heat supply. They are not, however, sustainable, since the other 90 houses ... l need fossil fuels for heating. This method does not achieve the goal of sustainably heating the villa... approach is much too short-sighted, since it does not account for resource limits. The heat supply for
- Comparison of energy performance of ventilation systems using passive vs. active heat recovery @planning:building_services:ventilation
- 949 hours with outside temperatures below -3 °C). Note that it is generally not recommended to use simple heat recovery ventilators with direct electric pre... performance, extract air heat pumps are therefore not suitable as a mere replacement for passive heat r... d climates) where direct-passive-heat recovery is not absolutely necessary and there are also cases in
- Differentiation between Vv and Vn50 values @planning:building_services:ventilation
- the calculation of the air exchange rate and does not really influence the calculation of ventilation h... hts in residential buildings it is recommended to not enter a larger value, since this would tend to re
- Heating and DHW
- dings, the transportation and storage of fuels is not a problem. The required amount of fuel can be eas
- Ventilation
- oor air at regular intervals. This can definitely not be done by just opening windows twice a day. Vent... mfortable indoor conditions. It is essential that not only the planned volume flow rates are achieved i
- 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 is... cted to the same heat exchanger, cold showers may not be possible. * If the heat exchanger is only
- Sound generation, sound dispersion and sound proofing in heat pumps @planning:building_services:heating_and_dhw:heating:heat_pumps
- ssible. Dimensioning of the sound absorber should not only ensure that the limit values for the A-rated