Fulltext results:
- Airtightness and airtightness measurement @planning:refurbishment_with_passive_house_components:thermal_envelope
- he air change rate necessary for good quality air can be ensured with mechanical ventilation. At the v... auses discomfort and heat losses because the heat cannot be recovered from air lost through building jo... irtightness ===== The airtightness of a building can be measured by means of an air pressure test (air... per 2000] ]]). Such excellent airtightness levels can also be achieved for modernised buildings if airt
- Windows in a step-by-step retrofit
- nts, or a window may be in such bad shape that it cannot wait. If a façade is renovated, any windows re... hings at once. Sometimes, the ownership community can only reach a minimal consensus. Ideally, windows... exterior aperture sizes due to reveal insulation can easily lead to an ‘embrasure’ effect, especially ... he temperatures at the interior window connection can be critical. Later, when the façade is renovated,
- Overall retrofit plan for step-by-step retrofits to EnerPHit Standard
- ocesses in the building retrofit sector is significant: According to a study carried out by the German ... -by-step retrofit processes ===== In general, we can differentiate between two types of step-by-step r... n the retrofit of single sides of a building only can be envisaged (Figure 3). [{{:picopen:retrofittin... after completing all steps. The pre-certification can take place as soon as the following prerequisites
- Influence of retrofitting on daylighting @planning:refurbishment_with_passive_house_components:mechanical_systems
- ntroduction ===== Some building physics projects can have a direct impact on daylighting. Optimized li... able daylight//**|\\ \\ Non-residential buildings can get a lot of their lighting from daylight. Figure... s. When a building has good daylighting, daylight can cover approximately 85 % of the period during whi... ing buildings have defined daylight openings that can be altered only minimally. Retrofits can also hav
- Step-by-step Retrofits towards EnerPHit Standard in social housing in Spain
- ow purchasing power of social housing owners, who cannot afford the cost of retrofit works, worsens the... se is a low-budget detached house that has been vacant for some time (Figure 2). The current owners hav... for their present and future needs. As the owner cannot afford to undertake the works all at once, the... re connection thermal bridge is the only one that cannot be avoided at this stage. This detail is analy
- Component Award 2016: Affordable ventilation solutions for retrofits
- th heat recovery (supply and extract air systems) can be built much more efficiently, at lower cost and... lly useful for retrofits because the duct network can be reduced to a short extract air network. The ba... return flow from the rooms back into the hallway can take place passively through a door gap or a vent... ntilation systems. For instance, a central device can often be installed in the attic or on top of a fl
- Building Integrated Photovoltaics (BIPV) in Step by Step Retrofitting Projects
- se, semi-transparent thin film photovoltaic glass can be used on glazing systems refurbishment. Not onl... * Infrared radiation coming from natural sunlight can cause a heat build-up inside building, resulting ... out with a-Si photovoltaic glazing show a significant decrease in radiation transmission of 780nm-2500... n the transparency degree, the light transmission can vary from 10 to 30%, which is normally the optima
- Economic analysis for the retrofit of a detached single family house to the EnerPHit standard
- years. The saved kWh price is €0.14/kWh. CO2 tax can be added to the operational cost. The price of CO... ed kWh price = €0.08/kWh). The following factors can explain moderate total costs: * Reusing supply... y market is subject to high price variability. We can use the phEco model to find out if investing in E... , down to 0.021W/m.K. Windows could not be significantly improved under current market conditions. \\ T
- Step-by-step deep retrofit and building integrated façade/roof on a 'million program' house
- ventilation coupled to a heat recovery unit and vacancy sensor based lighting will be installed through... t such a system on similar multi-family buildings can produce 100 % of the building’s net electricity u... [6]. In this sense, the cost for the solar array can be as little as 50 % of a traditional non-buildin... the inverters and wiring since the solar modules can be considered a façade material (that would be ne
- Improving thermal bridges and airtightness in existing buildings @planning:refurbishment_with_passive_house_components:thermal_envelope
- lating envelope – even\\ in old buildings?**//|\\ Can this approach also be applied in the case of mode... ance is enough to identify the potentially significant thermal bridges: * Masonry projecting out of t... old buildings. \\ “Thermal bridge free design” can also be applied in the case of old buildings; but... ails the principles of thermal bridge free design can be of help. \\ Basically, the details with impro
- Prospects for the modernisation of existing buildings using highly efficient components
- nd there isn’t any reason why the existing system cannot continue to be used. On the contrary, the exis... ced due to modernisation, the design temperatures can be decreased considerably. This in turn leads to ... tilisation. Such an approach also requires significant improvement of the building envelope and the ven... one of the crucial areas in which economic growth can take place while at the same time relieving the e
- Refurbishment with Passive House components - introduction
- furniture and in corners. This contributes significantly to the preservation of the building – which is... pleasantly cool indoor climate which has been set can be maintained for a longer time (e.g. through nig... nt basis. Systems that only run for brief periods cannot safely remove the moisture that is slowly rele
- Crosstalk silencers @planning:refurbishment_with_passive_house_components:ventilation
- ====== Crosstalk silencers ====== Sound waves can be transmitted perfectly over a distance of several ... n inside the bedroom and vice versa. This effect can be easily corrected by means of **crosstalk sound attenuators**. These can consist, for example, of a duct section with memb
- Insulation measures for the external envelope @planning:refurbishment_with_passive_house_components:thermal_envelope
- r increased insulation levels is even less significant, as additional costs are practically limited to