Fulltext results:
- Are Passive Houses cost-effective? @basics:affordability:investing_in_energy_efficiency
- sive House. For that, the following details would have to be improved: * The external wall insulation ... ity of 0.035 W/(mK).//{Remark 2015: The roof will have to met some 0.12 W/(m²K), which can be achieved i... ed for the Passive House variation; * this will have a considerably smaller build-up height and is eve... to keep the reference areas the same.** Here, we have actually increased the area a little, but without
- The Passive House in summer
- assive Houses has clearly shown that these houses have a pleasant (cool) indoor climate even during exce... nitiators at this point. Since then, the findings have also been confirmed in practice in **numerous rea... ndividual zones.**//|||\\ \\ The model parameters have been documented in detail in the study [[basics:S... ne of several reasons, why we always recommend to have at least one window in each room openable and als
- Greenhouse effect and climate protection @basics:energy_and_ecology
- 03% in the air. For the last two hundred years we have been using large quantities of this carbon as an ... a former Minister for the environment in Germany, have always pointed out that mankind, with its uncheck... ng the indoor air quality (well, be aware, you do have to calibrate these sensors, the sensors age, with... the emerging developing countries also strive to have as much energy at their disposal as possible. By
- The Passive House – historical review
- rtugal, some parts of China...). "Passive Houses" have always been built there, although they weren't kn... These were Passive Houses, although they didn't have adequate windows or sufficient ventilation.\\ \\ ... r stands at 22° above zero or at 22° below it, we have no fire in the stove. The ventilation is excelle... ws|high performance windows]] (Lovins: "We should have used a better thermal separation for the window f
- Economic feasibility of Passive House design @basics:affordability
- ve House Design in general all relevant cost data have to be accounted for. The idea behind the concepti... with extra investment costs both cost categories have to be re-calculated via dynamic finance calculati... setup respectively. Several renovation projects have been evaluated with this method and could show go... PH buildings**}}] The Passive House buildings all have a mechanical ventilation system with heat recover
- Energy efficiency – the key to future energy supply
- example for this approach ===== Measured results have shown that the actual heating consumption values ... of problems: Do you remember the last oil spill? Have you seen the holes in Earths crust created by bro... ture. * More humans in a growing world want to have their access to the services done using energy. W... * If we call to mind the significant events that have occurred in recent years (besides the political w
- Economy and financing of efficiency: new buildings, renovation and step by step retrofit @basics:affordability:investing_in_energy_efficiency
- e to achieve benefits. However, these investments have follow-up operational costs, e.g. for maintenance... ocus is on the investment’s object, investors may have a different point of view (equity perspective). I... unt rates) in the dynamic economic assessment. We have seen that the present value of future payments de... m requirements to be defined by the member states have to meet the 'cost optimal level' which is suppose
- Definition and effects of thermal bridges @basics:building_physics_-_basics:thermal_bridges
- here, the planners and construction manager don't have to **worry about cold and damp spots any more ** - and less effort will have to be made for calculating the heat energy balanc... ponents such as the roof areas and exterior walls have the largest share of the total heat flow. For the... lding. For example, thermal bridges do not always have to have a negative effect on energy balancing; in
- Passive House – the next decade | Determining application-specific PER factors @basics:passive_house_-_assuring_a_sustainable_energy_supply:passive_house_the_next_decade
- heat-hp) ===== For our Passive House example, we have assumed a heat pump with a SPF of 2.53, resulting... In this case, the building's heating system must have enough load capacity. In a Passive House building... anges priorities related to building design as we have previously known them. In the future, it will be ... oling energy are competing, reductions in cooling have tended to be more important in central Europe. Th
- What is a Passive House?
- ub> split unit will do.)). Similar energy savings have been demonstrated in warm climates where building... p.\\ ==== Ecology / Sustainability ==== You may have been surprised by not finding ecological aspects ... 90%; since then, lots of realized passive houses have been monitored with [[operation:operation_and_exp... ==== Hands-on experience of Passive Houses – You have to see one to believe it ==== The International P
- Life cycle cost analysis of energy interventions in 18 reference buildings @basics:affordability
- ting building, the decision makers involved often have no idea of the required investment and the return... housing type and age category in the Netherlands have to be updated regularly as the Dutch construction... ion “Voorbeeldwoningen 2011” of Agentschap.NL, we have made an Energetic and Economic analyses of the 18... publication. Over the years, many of these houses have already been renovated or modernised. All of the
- What defines thermal bridge free design? @basics:building_physics_-_basics
- bridges can be reduced so much that they do not have to be taken into account in the energy balance}}... ge free design would imply that all details would have to be calculated in a multi-dimensional way. Ther... for building envelopes. Many system manufacturers have already followed this approach and have ensured that their products comply with this criterion. If the
- Heating load in Passive Houses @basics:building_physics_-_basics
- ng services in a Passive House do not necessarily have to be higher than the costs in a conventional bui... n Passive Houses). That is why it is essential to have a reliable method for determining the heating loa... o the method itself, such as U-values that always have to be set at a minimum of 0.3 W/(m²K)) are as fol... * Buildings with very small heating loads often have very high time constants (anywhere from 5 to 30 d
- Efficiency vs. Efficiency Factor
- the equation >**efficiency = benefit / effort** have the dimension of "energy" or "power". But very o... ost activities requiring the use of energy do not have the dimension of energy.\\ * And there is no "... onservation) and today values in the range of 90% have already been achieved. But still the efficiency o... been demonstrated by numerous Passive Houses that have been built and are now inhabited.\\ \\ This also
- Adaptive versus Heat Balance Comfort Models @basics:building_physics_-_basics:thermal_comfort
- lation is minimized ([ASHRAE 2005]). These models have been developed in huge, carefully controlled labo... lative humidity of 60%. The heat balance models have also been confirmed by many field studies, mostly... dings in which the predicted comfort temperatures have actually been achieved. Since the beginning of the 1970s, so-called **adaptive comfort models** have slowly gained importance. These models claim that
- Introduction - Passive House buildings in different climates @basics:passive_houses_in_different_climates
- Factors that influence the energy balance and affordability of non-residential EnerPHit projects @basics:affordability:investing_in_energy_efficiency:economic_feasibility_of_passive_house_retrofits
- Efficiency of household appliances and their impact on the primary energy demand of residential buildings @basics:passive_house_-_assuring_a_sustainable_energy_supply
- Philips Experimental House Research 1974ff: Passive versus Active Measures in Europe & America @basics:the_passive_house_-_historical_review
- Exterior wall on floor slab @basics:building_physics_-_basics:thermal_bridges:tbcalculation:examples
- Life Cycle energy balances, Embodied energy and the Passive House Standard @basics:energy_and_ecology
- Renewable primary energy demand in residential buildings with high energy intensity @basics:passive_house_-_assuring_a_sustainable_energy_supply
- Basic principle for calculating thermal bridges @basics:building_physics_-_basics:thermal_bridges:tbcalculation