Fulltext results:
- Types of ventilation @planning:building_services:ventilation:basics
- y be achieved if "used" air is regularly replaced by fresh air. Opening windows twice a day is not eno... equate exchange of air in winter is only possible by means of comfort ventilation – this also applies... construction]]): \\ * Wind and airflow caused by temperature differences fluctuate too much in Cen... Gap ventilation is\\ therefore no longer accepted by occupants in colder climates.**//|\\ \\ ===== Pu
- Compact HVAC systems
- sh air supply ===== Every house that is occupied by humans requires fresh air. * If the fresh air s... is extremely small - so small that it can be met by the 10 W/m² provided by a supply air heating system. Similarly this concept also applies for the low ... o small, that it can be covered almost completely by this residual exhaust air enthalpy. This concept
- Comparison of energy performance of ventilation systems using passive vs. active heat recovery @planning:building_services:ventilation
- of such a system, i.e. the heat recovered divided by the electricity consumption, is greater than 10. ... st to replace these passive heat recovery systems by heat pumps which use the extract air as a heat so... for nine different climates across North America. By means of an hourly simulation we compare differen... location (Table 1). Frost protection is achieved by direct electric preheating of the outdoor air. Th
- Differentiation between Vv and Vn50 values @planning:building_services:ventilation
- ub>50</sub> | | Rough calculation: \\ Calculated by multiplying the TFA times an average room height ... the stairs + elevator) are calculated separately by multiplying the net area times the clear room hei... ntilation system ===== This value, is calculated by multiplying the treated floor area by the average room height. It is thus rather a reference value th
- Air volumes @planning:building_services:ventilation:basics
- of the external air, but in reality, noise caused by the air flow and draughts would have a restrictiv... midity).\\ \\ ==== Adjustment of the air volumes by the user ==== {{:picopen:switch.png?250}}\\ In p... tics of the ducting network have to be determined by dimensioning the duct cross-sections and the loss... g of ducts and installations will only be limited by the costs and the space requirements. With a duct
- The ventilation system – there is no alternative @planning:building_services:ventilation
- climate is achieved in the following ways:\\ * by meeting the thermal comfort criteria, including t... on a bedroom (room volume 35 m³) that is occupied by 2 persons. Other boundary conditions are as follo... ppm (according to CR 1752). * The CO2 produced by the occupants of the room is 18 l/(h×person) (res... alue would be exceeded within the first hour, and by the end of the sleeping period, the CO2 concentra
- Ventilation
- egular intervals. This can definitely not be done by just opening windows twice a day. Ventilation wil... esign aspects ==== Planning a ventilation system by yourself is workable, here you learn how you can build ventilation system step by step. * [[https://passipedia.org/planning/buil
- Passive House - 6 reasons why you still need opening windows @planning:building_services:ventilation
- g the night.// The standard air exchange provided by Passive House ventilation systems generally is fa... another solution. Providing large volumes of air by opening your windows, on the other hand, is fairl
- Sound generation, sound dispersion and sound proofing in heat pumps @planning:building_services:heating_and_dhw:heating:heat_pumps
- lable on this topic; a very good list is provided by the Association of German Engineers VDI 3731, She... hermore, considerable improvement can be achieved by coordinated decoupling of structure-borne sound¬
- Heating and DHW
- th sustainable energy ===== Climate change caused by humans is a threat to flora, fauna and our entire
- Experience with drain water heat recovery @planning:building_services:heating_and_dhw:experience_with_drain_water_heat_recovery
- al hot process water consumption can be decreased by 25 to 35 percent. * Not much space is needed,