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- Comparison of energy performance of ventilation systems using passive vs. active heat recovery
- ==== Methodology ===== The comparison is carried out for nine different climates across North America.... is achieved by direct electric preheating of the outdoor air. This reference system provides a certain... exchanger. Frost protection is activated when the outside temperature drops below -3 °C. - Passive en... In that case the COP is reduced by 20%. ^ T<sub>out</sub> ^ T<sub>room</sub> ^ COP | | -3
- Types of ventilation @planning:building_services:ventilation:basics
- priority than energy conservation - but it turns out that there is no conflict at all, if efficient co... ments (e.g. radon). Just the air that is breathed out by people alone causes indoor air pollution; this... h, the stale indoor air will be replaced by fresh outdoor air. * When the air replacement is compl... resh air (cold air in winter) is drawn in through outdoor air inlets into the living areas. These simp
- Air volumes @planning:building_services:ventilation:basics
- controlled_ventilation|ventilation system]] whose output is based on the number of people (30 m³/h per ... complain.\\ Scientific studies have been carried out regarding **additional ventilation through window... d it must also be possible to achieve the minimum output of 0.3 1/h. This is exactly what the problem ... ,…), * the amount of fresh air supplied from outside. The water vapour from internal sources of h
- Passive House - 6 reasons why you still need opening windows
- e rates of ventilation systems are typically laid out for really cold (or hot) periods and may not be t... not want to miss windows as a “connection to the outside world”, and want to be able to choose whether... ow could save one's life as it offers an easy way out in the unfortunate event of an emergency.\\ Ther
- The ventilation system – there is no alternative
- atures during the winter, traffic noise, insects, outside dust pollution etc.). * The level of airtig... quality.\\ \\ The calculations that were carried out show that in the present case, the Pettenkofer va
- Basics
- acceptable?**__ With a ventilation system whose output is based on the number of people (30 m³/h per
- Differentiation between Vv and Vn50 values
- ly for each room. The calculation must be carried out in accordance with detailed rules given in the [[