Posts Tagged ‘bioclimatic’

The Personal Mega-Sized Eye of Horus: Naomi Campbell’s Eco-Mansion

 

 

The Personal Mega-Sized Eye of Horus: Naomi Campbell’s Eco-Mansion

The Personal Mega-Sized Eye of Horus: Naomi Campbell’s Eco-Mansion

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Posted 19 September 2011, by Vrushti Mawani, Industry Leaders Magazine, industryleadersmagazine.com

 

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An ancient Egyptian symbol of protection, royal power and good health, the Eye of Horus has been reproduced in its most physically monumental form on the Isla Playa de Cleopatra in Turkey in the form of Naomi Campbell’s eco-palace.

The 25-bedroom home, designed by Spanish architect Luis de Garrido, reported as being the architect’s gift to Campbell, has been designed to function in a largely self-sufficient manner.

With features that enhance the ability of the building to be self-sufficient in terms of its energy and water needs, Campbell’s new island mansion functions as an off-grid home complete with photovoltaic panels, a sophisticated geothermal system and an interior landscaped terrace.

Eye-ball Home Details

Naomi Campbell’s palatial eco-home, with its over two dozen bedrooms and five lounges, is one of the latest to join the rapidly growing list of eco-friendly celebrity island abodes, like Johnny Depp’s solar hydrogen fuel powered home in the Bahamas.

The large steel-and-glass dome, the eyeball of the Eye of Horus, is light and transparent, letting in natural light and warmth all year round. The intensity of how much light and warmth filter in is controlled by horizontal louvers, landscaping, and glazed windows.

Campbell’s personal Eye of Horus in Turkey has been designed by devising an ingenious system of structuring photovoltaic panels which helps generate a large share of the energy required to run the building. The rest of the energy requirement is met by a highly sophisticated geothermal system and passive design.

The design of this eco-mansion also includes a detailed rainwater harvesting system, while wastewater from the home is treated on site with the use of a biological treatment system, further increasing this home’s overall energy efficiency.

The architect has also tried to ensure that the house is well-ventilated, to address any concerns about the greenhouse effect creating an uncomfortable humidity level. The indoor landscaped terrace on the top floor of this eco-palace further contributes to the home’s superior microclimate.

Architect Luis de Garrido

Architect Luis de Garrido has, over the last few years, been in the spotlight for his signature style of creating designs based on the theme of “artificial nature”.

Luis De Garrido’s bold, yet respectful, design philosophy states “The architect can even surpass Nature, but to do so, they must understand it, take it in, and love it with all their souls.”

De Garrido’s expertise where new-age sustainable architectural technologies are concerned is demonstrated perfectly in projects like GREEN BOX, which is the first modular Garden-House that is prefabricated, can be built in just 15 days, is reusable, transportable, has an infinite life cycle, is bioclimatic, has zero energy consumption, and does not generate waste.

Intermodal Steel Building Units (ISBU) awarded Luis de Garrido the 2008 Architect of the Year Award for his sustainable Bio-climatic architecture, educational symposiums and the innovative award winning architectural designs.

 

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http://www.industryleadersmagazine.com/the-personal-mega-sized-eye-of-horus-naomi-campbell%E2%80%99s-eco-mansion/

Green Buildings 101: Bioclimatic Design

 

Green Buildings 101: Bioclimatic Design

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Posted 13 September 2011, by Jennifer Shockley, Green Building Elements (Important Media), greenbuildingelements.com

 

Design industries are taking new approaches to environmentally sustainable projects. Being aware and being pro-active is no longer a phase it is mandatory that in every project, our impact on the earth is accounted for. This accountability is found in Bioclimatic Design.

Bioclimatic Design is the reduction of energy consumption using appropriate techniques such as energy efficient systems and technologies including, but not limited to, passive solar systems. Passive solar systems are based on a building, its spaces, both interior and exterior, and the local climate.

Bioclimatic Design is the use of environmental sources: air, sun, wind, vegetation, water, soil, daylight for heating, cooling and lighting of buildings. Plus when a design takes into account the local climate, these factors must be considered and designed around: heat protection including insulation and air tightness, solar energy for heat and light, sun protection with the orientation, use of reflective materials, surfaces and colors, and the removal of heat with natural ventilation.

Kane Cres writes,

“As inhabitants of buildings, we can make our lives more comfortable, preserve the environment, our health and well being. We can use them appropriately to this end.

The energy we consume in buildings is costly. It is worthwhile asking ourselves who pays for this consumption and why.”

To achieve perfect balance with the environment with the use of Bioclimatic Designs the industry will require all kinds of participants. The manufacturing companies, the sellers, the designers, and the clients must all be on board and willing to achieve great designs through green technologies and to demand that their expectations be met, if a material is not available at the highest economy-safe standards, than a material must be designed at that level.

Different projects and companies are already displaying the smart choices that go along with Bioclimatic Design.

Elmer Avenue "Green Street"

In Los Angeles, a 40-acre neighborhood area known as Elmer Avenue has become a complete ‘green street.’ It is a Neighborhood Retrofit Demonstration Project following the water augmentation study done by the Council for Watershed Health to help lower dependency on foreign water supplies and to suppress flooding that occurs from the annual, although short-lived, winter downpours.

This street utilizes a variety of strategies to capture rainwater and runoff through the soil, clean it, and recycle it by added the water to the aquifers. The one block location generates and now captures more water than they use in an entire year.

“By capturing the rainwater, Southern California reduces its reliance on foreign sources of water and improves the overall health of the landscape. In addition, it helps save energy, since an incredible 19% of our energy use in California is devoted just to the movement of water from place to place!” wrote Brian Sheridan, Development and Marketing Manager of the Council for Watershed Health.

Elmer Avenue is a project designed to rehabilitate the neighborhood and also it is a continuous active research project that will benefit many communities in the future.

Elmer Avenue Bio-swale

The project implements the use of:

  • Under street filtration galleries
  • Open bottom catch basins
  • Bio-swales
  • Rain barrels
  • Permeable pavers
  • Climate appropriate landscape
  • Solar street lights

The first phase of the project was completed in 2010 becoming LA’s first off-the-grid neighborhood and the second phase will include an additional 20 acres, thereby capturing 60 acres of land’s rainwater to add to the aquifers.

Another company dedicated to Bioclimatic Design is a start-up company called First Coast Solar Screens founded by John Wilder a RESNET Certified Energy Auditor.

Solar screens can reduce temperatures of the sun coming through glass by embracing a relatively new technology of sun-screen fabrics. John Wilder wrote,

“The sun’s heat coming through glass almost works like a magnifying glass. I just took the temp coming through a skylight at our city hall yesterday and it was 117 degrees I took a temp through an east facing window in our school and it was 108 degrees. The solar screens reduce these temps down in the low 70′s which of course have a dramatic effect on your AC bill. They are literally the best bang for your buck in energy savings and typically have a 1-2 year payback.”

First Coast Solar Screens uses Phifer solar screening products.

Phifer fabrics

Phifer was founded by Reese Phifer and is the world’s leading manufacturer and seller of energy saving sun control fabrics for residential and commercial use.

 “Phifer’s commitment to the environment dates back to the company’s origins when our founder, Reese Phifer, envisioned a manufacturing facility that would bring a better standard of living to its community, advances in technology to its industry and innovative products to its customers.”

They offer products of insect control, plus interior and exterior sun control. Their products are 100 percent recyclable and their fabrics are PVC-free.

Their production process includes a waste management program, employee awareness training and pollution prevention programs to insure that they stay as green as possible.

Phifer was the first manufacturer in their industry to receive GREENGUARD Certification. They state,

 “At Phifer, environmental responsibility is part of our corporate culture. We are leaders. We are proactive. We do it because it is the right thing to do.”

Sun Control

GREENGUARD is an environmental institute that was created to help manufacturers to improve their processes and to do so in a more environmentally-safe and aware way. It has helped manufacturing companies in more than 20 industries to improve their processes.

As this article could continue on for endless pages, circling through all the companies that make up design industries, it is evident that Bioclimatic Design is everywhere and requires everyone’s commitment. It is throughout the design industries and is becoming a required mind-set verses a personal choice. It will take every industry, every person to re-establish what we’ve taken from and done to the earth.

Bioclimatic Design is a circle engulfing the world to make it a better place.

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Resources: Greenguard, Phifer, Council for Watershed Health, The American Institute of Architects and Kane Cres

Special Thanks to: John Wilder and Brian Sheridan

 

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http://greenbuildingelements.com/2011/09/13/green-buildings-101-bioclimatic-design/

Paolo Soleri’s Arcosanti : The City in the Image of Man


Paolo Soleri’s Arcosanti : The City in the Image of Man

Posted 03 September 2011, by Oscar Lopez, ArchDaily (Plataforma Networks), archdaily.com

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70 miles north of Phoenix, in central Arizona lies an experimental town created by Paolo Soleri, intended to house 5,000 people. Arcosanti is the study of the concept of arcology, which combines architecture and ecology. The intensions of this community is to form a gestalt that houses the relations and interactions that living organisms have with respect to each other and their natural environment.

Click here to view the embedded video.

One of the most imaginative thinkers of our time, Paolo Soleri has dedicated his life to addressing the ecological and social concerns raised by modern urban existence. Soleri’s career contains significant accomplishments in the fields of architecture and urban planning, and his groundbreaking philosophical writings on arcology, the co-presence of architecture with ecology, continues to garner interest globally.

Born in 1919 in Turin, Italy, Soleri spent his earliest years absorbing the European landscape, culture, and architecture. He received his Ph.D. in Architecture from Torino Polytechnico in 1946. Soon after graduating, Dr. Soleri moved to the United States to attend Frank Lloyd Wright’s apprenticeship program at Taliesin West in Arizona.

Soleri returned to Italy in 1950, where he was commissioned to design a large ceramics factory, Ceramic Artistica Solimene, which is now an Italian historical landmark. During this time he began working as a ceramic artist, acquiring the ceramics knowledge he would later apply to producing windbells. Over the next fifty years, these ceramic windbells, along with his explorations in metal casting with bronze windbells and sculptural commissions, would serve as the major source of funding for the construction that would test his theoretical works.

Together with his wife Colly and their two daughters, Kristine and Daniela, Soleri moved to Scottsdale, Arizona in 1956. There they established the not-for-profit Cosanti Foundation and began work on the group of buildings that bears the same name, Cosanti. It is at Cosanti where Soleri began his initial architectural experiments with various earth-casting techniques.

In 1970, Paolo Soleri embarked on what is his most ambitious work, Arcosanti. Located in the high desert of central Arizona, Arcosanti is being constructed as a prototype arcology. Arcosanti is a materialization of arcology theoretics; the community embodies Soleri’s vision for a sustainable urban alternative. Since its inception in 1970, the development and construction of Arcosanti has been at the center of Soleri’s life and work.

Arcology is Paolo Soleri’s concept for cities that embody the co-presence of architecture and ecology. The arcology concept proposes a highly integrated and compact three-dimensional urban form that is the opposite of suburban sprawl, with its inherently wasteful consumption of resources and tendency to isolate people from each other and the community. The miniaturization of the physical environment of the city enables effective conservation of land, energy and resources.

Click here to view the embedded video.

Traditionally, an arcology is a set of architectural design principles aimed toward the design hyperstructure habitats of extremely high human population density. An arcology is distinguished from a merely large building or habitat in that it is supposed to sustainably supply all or most of the resourses for comfortable life: power, climate control, food production air and water purification, sewage treatment, etc.. It is supposed to supply these items for a large population. Also, an arcology would need no connections to municipal or urban infrastructure in order to operate.

Arcologies were proposed to reduce human impacts on natural resources. Arcology designs often apply conventional building and civil engineering techniques in very large, but practical projects in order to achieve economies that are difficult to achieve in other ways. Frank Lloyd Wright proposed an early version with his Broadacre City.

His plan described transportation, agriculture, and commerce systems that would support an economy. Similar to Soleri’s Arcosanti, Broadacre City faced critics who said that their proposed solution failed to account the realistic problems that come with sustaining a habitat of a large population and also they tried to assume a more rigid way of living and democracy than that of independent means and that of a formalized government.

“The problem I am confronting is the present design of cities only a few stories high, stretching outward in unwieldy sprawl for miles. As a result of their sprawl, they literally transform the earth, turn farms into parking lots and waste enormous amounts of time and energy transporting people, goods and services over their expanses. My proposition is urban implosion rather than explosion”. 

-Paolo Soleri, Earth’s Answer, 1977

Today’s typical city devotes more than half of its land to the function of the automobile. In anarcology, automobiles are eliminated from the confines of the city. The multi-use nature of the buildings in arcology design place living, working and public spaces within easy reach of each other, thus walking becomes the main form of transportation within the city.

An arcology’s direct proximity to uninhabited land provides the city dweller with immediate and low-impact access to rural space, as well as allowing agriculture to be situated near the city. In turn, this maximizes the logistical efficiency of food distribution systems. An arcology uses passive solar architectural techniques such as the apse effect, greenhouse architecture, and garment architecture to reduce the energy usage of the city, particularly in relation to heating, lighting, and cooling.

Overall, arcology seeks to exemplify a “Lean Alternative” to hyper-consumption and wastefulness through more frugal, efficient and intelligent city design.

Click here to view the embedded video.

“Arcology is capable of demonstrating a positive response to the many problems of urban civilization, those of population, pollution, energy and natural resource depletion, food scarcity, and quality of life. The city structure must contract, or miniaturize, in order to support the complex activities that sustain human culture and give it new perception and renewed trust in society and its future. A central tenet of arcology is that the city is the necessary instrument for the evolution of humankind”.

-Paolo Soleri, Earth’s Answer, 1977

In 1970, Paolo Soleri and the Cosanti Foundation began construction on Arcosanti, an urban laboratory in the high desert of central Arizona. Designed according to the concept of arcology, Arcosanti will house 5,000 people when complete, demonstrating ways to improve urban conditions and lessen our negative impact on the earth. Its large, compact structures and large-scale solar greenhouses will occupy only 25 acres of a 4,060-acre land preserve, keeping the natural countryside in close proximity to urban dwellers.

Master Plan

Urban sprawl, spreading across the landscape, causes enormous waste, frustration, and long-term costs by depleting land and resources. Dependency on the automobile intensifies these problems, while increasing pollution, congestion, and social isolation. Arcosanti attempts to address these issues by building a three-dimensional, pedestrian-oriented city. Because this plan eliminates sprawl, both the urban and natural environments keep their integrity and thrive. Arcosanti is a prototype: if successful, it will become a model for how the world builds its cities.

According to Soleri’s theory of arcology, at Arcosanti many systems work together, with efficient circulation of people and resources, multi-use buildings, and solar orientation for lighting, heating and cooling. In this complex environment, apartments, businesses, production, technology, open space, studios, educational and cultural events are all accessible, even while privacy is paramount in the overall design.

Arcosanti is an educational center. The five-week workshop program teaches building techniques and arcological philosophy while continuing construction. Volunteers and students come from around the world, experiencing Arcosanti through hands-on participation in its growth and development. Many are design students and some receive university credit for the workshop. However, a design or architecture background is not necessary.

At the present stage of construction, Arcosanti consists of a dozen mixed-use buildings constructed by 6,000 past workshop participants. These buildings house 60 to 80 residents, who are continually working on the construction and maintenance of the built environment. These longterm residents are workshop alumni, and work in planning, construction, landscaping, maintenance, cooking, carpentry, metal work, ceramics, gardening, communications, and administration. They produce the world-famous Soleri Bells and are visited by 50,000 tourists every year.

References: www.Arcosanti.org
Photography:  www.Arcosanti.org

Paolo Soleri’s Arcosanti : The City in the Image of Man originally appeared on ArchDaily, the most visited architecture website on 03 Sep 2011.

 

(Ed Note: Please visit the original site  for many photographs, diagrams and artwork associated with this article.)

http://www.archdaily.com/159763/paolo-soleris-arcosanti-the-city-in-the-image-of-man/

An accuracy assessment of a spatial bioclimatic model


An accuracy assessment of a spatial bioclimatic model

Canadian Forest Service Publications

Posted 18 August 2011, by Staff, Natural Resources Canada, nofc.cfs.nrcan.gc.ca

View Record

An accuracy assessment of a spatial bioclimatic model. 1996. McKenney, D.W.; Mackey, B.G.; Hutchinson, M.F.; Sims, R.A. Pages 1 -11 (Vol. RM-GTR-277) in Proceedings: Spatial Accuracy Assessment in Natural Resources and Environmental Sciences: Second International Symposium. May 21-23, 1996, Fort Collins, Colorado. Natural Resources Canada, Great Lakes Forestry Centre, Fort Collins, Colorado, General Technical Report RM-GTR-277. 728 p.

Year: 1996

Issued By: Great Lakes Forestry Centre

Catalog ID: 29416

Language: English

Series: Information Report (GLFC – Sault Ste. Marie)

CFS Availability: Order paper copy (free)

Abstract

Spatially explicit models of forest ecosystems require the integration of biophysical data at a range of scales. Preditions of biotic response should be based on spatially explicit models of the driving environmental processes, in particular those related to climate and topography. Ongoing research in the forests of Ontario have focused on the development of suitably scaled digital elevation models and mesoscaled models of climatic averages. These in turn hae been used to spatially extend varoius biological survey data. In this paper we present some accuracy assessments of the spatial climate models and subsquent differences in species’ predicted distributions.

http://nofc.cfs.nrcan.gc.ca/publications/?id=29416

What Is a Bioclimatic Chart?

What Is a Bioclimatic Chart?

A bioclimatic chart helps architects design energy-efficient buildings.

 

Posted 09 August 2011, by Carolyn Green, eHow, ehow.com

A bioclimatic chart is a preliminary analysis tool used during the early planning stages of a building project. Known as bioclimatic architecture, an architect uses the bioclimatic chart to design buildings that include the most efficient passive cooling and heating strategies based on the climate and location of a building site, according to the Center for Renewable Energy Sources and Saving.

  1. Accumulating Chart Data

    • In order to create a bioclimatic chart, monthly statistical data is collected. The chart is used to plot the average maximum and minimum temperature and the average maximum and minimum relative humidity. The think.green website recommends using a meteorology website to collect the information. You can also obtain the information from weather reports kept by local airports.

    Plotting the Chart

    • To create a bioclimatic chart two points are plotted for each month. The first plot point is used to indicate the minimum temperature and maximum relative humidity, also known as RH. The second plot point is used to indicate maximum temperature along with the minimum RH. The two points are connected with a line. Each line on the bioclimatic chart represents an average day’s changes in temperature and humidity. To be effective, the chart is developed over a one-year period.

    Strategies

    • A completed bioclimatic chart will indicate the boundaries for different types of passive design strategies. Passive solar heating can be assessed using the chart as well as passive cooling strategies. Additionally, the chart can indicate a comfort zone where no cooling or heating is required to maintain thermal comfort. An architect will then use the chart to start planning the type of project best suited for a particular climatic location. Doing so creates energy-efficient bioclimatic buildings that enhance the quality of life for its users.

    Benefits

    • The building sector accounts for nearly 40 percent of national final energy consumption, according to the Center for Renewable Energy Sources and Saving. This type of energy consumption, using mostly oil as well as electricity, causes the major atmospheric pollution responsible for the greenhouse effect and climatic change. Energy consumption is also a major economic burden. Using a bioclimatic chart helps an architect use simple building techniques and methods that reduce energy consumption, such as incorporating a passive solar heating system, natural cooling systems and techniques, as well as natural lighting systems and techniques.

Carolyn Green

Carolyn Green has been a freelance writer since 1989. She has written for BETweekend, Good Old Days, Baby’s World and more. A teacher from New York, she also taught in Seoul, where she wrote for a Korean publication. Her passions include world travel, nutritional research and alternative medicine. She holds a Bachelor of Arts in English literature from State University of New York, Old Westbury.

References

Bioclimatic and passive design pdf

Bioclimatic and passive design pdf

Posted 12 August 2011, by User, Book Library, book-library.net

Bioclimatic Dwelling Design SBSE Retreat 2005 Bioclimatic Dwelling Design Teaching Beginning Students with a Workbook Companion to Sun Wind and Light SBSE Retreat 2005
1 INSTITUTO DE ARQUITECTURA TROPICAL INSTITUTO DE ARQUITECTURA TROPICAL THE COMFORT TRIANGLES A NEW TOOL FOR BIOCLIMATIC DESIGN John Martin Evans Thesis September 2007 Chapter
Sun and Sense 2008 7 th Solar Energy in Architecture and Urban Planning Conference Berlin 1114 March 2008 Bioclimatic Housing innovative design for warm climates
THE BIOCLIMATICZONES CONCEPT LANDSCAPE DESIGN STRATEGY FOR SITE PLANNING IN HOT ARID CLIMATES Shady Attia 1 Keywords bioclimatic landscape design bioclimatic zones
PLEA2006 The 23 rd Conference on Passive and Low Energy Architecture Geneva Switzerland 68 September 2006 Traditional Architecture and Bioclimatic Design Case of study
34 High Thermal Mass High Thermal Mass Design issuesShadeNeed wide daily temperature variation straddling comfort zoneIsolate from exterior temperaturesMass should be
PLEA 2008 25 th Conference on Passive and Low Energy Architecture Dublin 22 nd to 24 th October 2008 Paper 601 Climate Analysis and Strategies for Bioclimatic Design
BIOCLIMATIC OPTIONALS ADAPTABLE SUBSYSTEMS FOR ENERGY SAVING AND COMFORTABLE BUILDINGS Clara MASOTTI PhD 1 Keywords adaptable bioclimatic optional energy saving
2 Final Report Bioclimatic Kit House Moorea French Polynesia May 2009 Greg Rulifson Nicole Walter Lauren Valdez Catherine Miller ABSTRACT Due to French Polynesias
129 9 BIBLIOGRAFA Acosta Wladimiro Vivienda y Clima Ediciones Nueva Visin Buenos Aires Argentina 1976 Allard Francis et al Natural Ventilation in Buildings A Design

Bioclimatic Design, an interview with Nikos Papavlasopoulos

Bioclimatic Design, an interview with Nikos Papavlasopoulos

 

Posted 12 August 2011, by Staff, Eco-Logiki, eco-logiki.eu

 

Below is an interview of Mr. Nikos Papavlasopoulos, a civil engineer specialized in bioclimatic design.

Mister Papavlasopoulos what is a bioclimatic home?

We could say that bioclimatic homes are not a new ‘concept’ but instead a ‘concept’ that was born and existed since the old days. Thus, in many areas people used to adjust their constructions based on the peculiarities and environmental conditions of their location. Typical examples of these adjustments are the Aegean houses, which, due to heavy weather and lack of vegetation, have small openings, are painted in bright colors, mostly white, and collect water from their roofs thus solving the problem of their water supply. So, in short, bioclimatic houses are designed and built based on the local climate and aiming to save energy and ensure the thermal and visual comfort conditions for their residents.

Have you designed – built bioclimatic houses in Corfu? How do Corfiots react to new ideas?

Practicing the profession of civil engineer for many years, I have built several houses. In recent years, due to the crisis, more and more embrace my ideas. The first ones to give me the chances to build bioclimatic houses were foreigners. Lately, an increasing number of people ask for information on bioclimatic houses and a few have decided on it and acquired such a house. Currently, we are building three bioclimatic houses in Corfu what we would be happy to show to anyone interested.

What is your part in bioclimatic design?

I have to say that bioclimatic design and development is a living process that is constantly evolving. You have to be constantly up-to-date in order to find anything new that can be implemented in bioclimatic design. My task is to design a building that meets the needs of its owner, while being at the same time as less energy consuming as possible, hence less money consuming, providing a healthier and friendlier environment for its owner. Obviously, designing such a building is a task that is undertaken by more than one engineer.

What is it that makes people turn to bioclimatic houses?

The energy and economic crisis that  lately governs our country has made people think more about saving money and thus turn to alternative sources of energy. Until recently, nobody tried to find other ways of house heating, simply because heating oil was cheap and people were financially strong enough to cope with that particular expense. Nowadays, however, since heating oil has become a considerable expense, people have started to turn to bioclimatic houses. These houses provide a minimum heating and cooling cost combined with all the other benefits enjoyed by their owners. From a purely financial point of view, bioclimatic residences have virtually zero operating and maintenance costs. Lately, it has become so common that anyone can go out and sell bioclimatic houses in order to attract customers. This is very serious and it is something that every house owner should pay extra care to when searching the market for a bioclimatic house because such houses are unique and special for each individual. In each case, for each site and for each one of us there is a one and only house that meets our needs. Only a specialized team of engineers knows how to design and construct such a house.

What would you advise each one of us who wants to build a bioclimatic house?

First of all, I would say that you should contact a professional engineer. If he is a constructor as well it is even better. You should also make sure that he has the knowledge required and actual examples that he can show you. The responsibility of all of us who work on bioclimatic design does not end with the design. We must ensure that it meets not only the owner’s current but his future needs as well. Furthermore, it is our responsibility to predict any future work on the improvement of the property, in case the owner cannot cover the initial cost and wants to improve it later.

What is a cost of a bioclimatic construction?

With the appropriate techniques, the cost of a bioclimatic building can match the same levels as that of a conventional simple construction. All of this is relevant, however, because the cost also depends on the materials chosen by the owner. Generally, a bioclimatic construction will cost about 10% more. This is because it is fitted with better insulation, better glazing, more shadings, the surrounding area is being taken care of and much more. Overall, there are some expenses that do not exist in a conventional construction. Of course, we should keep in mind that this cost reflects only the initial construction and that in bioclimatic constructions this cost is depreciated during the first year of the building’s operation due to the close-to-zero operation and maintenance cost.

Can anyone benefit from bioclimatic design on an existing property?

The need for improving buildings in Greece was first recognized by the state itself and for that reason it implemented a grant program called “Save-at-Home”. This program is applicable to houses built before 1980 and devoid of any bioclimatic operation principles. Through this program, owners can help themselves improve the building’s energy efficiency significantly, even if they do not possess the necessary money.

There are, of course, many possibilities for improving an old building, but we should keep in mind that the more involved we become the greater the cost. There is potential for an existing building to approach the energy efficiency of the modern bioclimatic ones, but it cannot under any circumstances reach the maximum performance of an initial design.

Are there any guarantees given for the construction of a bioclimatic house?

The most important guarantee you can be given is the name of the engineer you address. Besides that, there are several guarantees such as the good working condition one that lasts for five years. There are also guarantees for individual materials placed in the house which last up to 20 years. What must be stressed is that the benefits of bioclimatic constructions are real and measurable.

What seems to be the future of bioclimatic residences?

I would say that bioclimatic houses appear to be the only choice for the future. Normally, anyone who wants to build a house should not even think of building it in any other way. There is nothing to lose from building such a house whereas on the contrary there is much to gain. Bioclimatic houses are the only ones that instead of being costly to the owner they can yield money instead. Such an example is the installation of a photovoltaic system on the roof that will yield the owner a profit of over 100.000 € in the 25 years of use. And do not forget the close-to-zero operation and maintenance cost.

By building using bioclimatic techniques, you are building in the future health of you and your loved ones, while at the same time catering for the environment and the future of our planet, saving money in the process.

 

 

http://www.eco-logiki.eu/Docs/papavlasopoulos_interview.doc

Bioclimatic passive designs rural buildings

 

Bioclimatic passive designs rural buildings

 

Posted 11 August 2011, by I. Cañas (a), P. Núñez (b), S. Martín-Ocaña (a) F. R. Mazarrón (a) J.L.García-Grinda (a), (a) Universidad Politécnica de Madrid, (b) Universidad de Alcalá de Henares, IMProVe 2011, improve2011.it

 

Abstract

Purpose: In this paper the evolution of the bioclimatic architecture is explained from the existing relation between climate and construction in the vernacular architecture, happening through the appearance of the term of bioclimatic architecture in the sixties, to the present time.

Method: The two bioclimatic charts used by architects appear: Olgyay and Givoni´s, and its use to establish the strategies of design for each climate. Next a review of these strategies of design is done, explaining its operation and the climatic conditions in which its use is just. The explanations come accompanied from images that help to understand the mechanism of performance of each strategy.

Result: On the strategies is insisted of design of simple incorporation in the building and low cost because it is to give bases for the bioclimatic construction of rural buildings

Discussion & Conclusion: It is known that traditional rural buildings used strategies to take advantage of the factors the climate in which they were located, obtaining the conditions required for their process. Starting off of this hypothesis, it is wanted to transfer these present strategies to rural buildings and to incorporate other that we know after the bioclimatic study from the building and the environment.

Download the entire paper in .pdf format here: http://www.improve2011.it/Full_Paper/196.pdf

 

http://www.improve2011.it/Full_Paper/196.pdf

Building a House according to Bioclimatic

Building a House according to Bioclimatic

Posted 11 August 2011, by contentmaster, Contentmaster (Hub Pages), contentmaster.hubpages.com

In a new house design we may consider bioclimatic aspects in a more flexible way with no need to increase the cost and giving up design preferences, although sometimes conflicts may arise between what is preferred and what is convenient for correct thermal behavior. The owner has the last word, of course. The important point here is to know what will be the bioclimatic consequences of different design options. Usually, the architect will not be aware of bioclimatic performance, so the owner should actively participate in design decisions to achieve a certain bioclimatic behavior.

Consider the following steps in the bioclimatic house design process:

Climate. How is the climate of the location? Check out the list in know the climate and decide the problems that should be sorted out and in what order: cold in winter, hot in summer, winds, humidity, etc.

Environment. How is the land on which the house will be built? Have in mind that the location will be decisive in the bioclimatic behavior, even as much as the techniques used later in the house. Is there any slope? What orientation does it have? Will there be water and vegetation near the house? Will I modify the surroundings? Are there close buildings? Is there any other natural or artificial element that may act as a barrier for the wind or for the sun radiation?

Shape and orientation. Do I want and is it possible to design a house which length is on an east – west axis, with solar capture surfaces on the south façade?, if not, how much will be the deviation? Will it be a compact house are will there be wings, inlets and outlets? As you know, the more compact, the less thermal losses. Will there be a yard inside? What will be the roof design? Will its design allow a low resistance to dominant wind in winter, and a high resistant to dominant wind in summer? If there is a conflict, what will be the solution to take? How many floors will the house have?

Internal distribution. If there are more than one floor, will they be conveniently separated so as to avoid thermal air stratification? Which will be the most used spaces and rooms? Will they be in the most comfortable part of the house? Is the internal division appropriate to allow natural ventilation in summer?

Isolation and thermal mass. How much isolation will I use? (ask the architect you want a good isolation and special care with thermal bridges), how much thermal mass will the house have? What material will it be made of? Can I place it inside the isolation? How will I place it so that it captures solar energy entering through windows?

Relation with soil. Can the house be built directly on the soil? (ask your architect), Is there any problem (like humidity, for example)?, Can it be solved in a satisfactory manner? Am I interested in installing a buried pipes system (consider if the summer hot justifies this decision), Will there be a basement?, Will I use it to live in?, Will there be any buried or half – buried wall or part in the house? (if it is built on a slope, for example), What structural reinforcement and additional humidity protection do I need if it is the case? Is it very expensive?

Stopper rooms. Will I place attached spaces to the house (garage, workshop, attic)? What will its degree of occupation be? Where should they be placed to work as stopper rooms? Is the summer hot enough to justify a ventilated attic?

Passive solar capture. How much surface do I have for solar capture? How much of it will I use for this purpose (it depends on how cold winter is)? Consider the relation capture surface / house area. What kind of solar caption technique will I install (direct, half direct, indirect)? Are there possible obstacles to limit incoming solar radiation (trees, buildings, etc.)? What kind of glassing will I use (simple, double sheet, special)? Does glassing present any security problem? How can I solve it? What rooms will benefit from the solar radiation? Will there be problems of excessive solar light? How can it be solved? What will I use for nighttime isolation (shutters, curtains, panels, etc.)? What kind of additional heating will I install?

Winter infiltration. What is the main dominant wind direction in winter? What is its speed? If it is strong, are there natural barriers against it? Can they be set (fences, trees)? Will I design the house to be “aerodynamic” for this wind? What care will be taken to reduce infiltration? What is the location for kitchen and bathroom and how did I solve its ventilation?

Protection against solar radiation in summer. What is the condition for the south façade in summer? What shading elements will I install (wings, porch, shutters, awnings, etc.)? How is vegetation in front of this façade? Is there water? What are the conditions for east and west façades? Is there any stopper room attached? Is the wall in a light color? Is there any window? If this is the case, how will I protect it? Will I use “ventilated façades”? Will I use any evaporative cooling technique?

Ventilation in summer. Is the house correctly oriented to benefit from summer breezes? Has it got the appropriate openings on the façades and internal communication? Will I use any convective ventilation system? Will I use ventilated façades anywhere? Do I have cool air entrances from soil? How will I extract it? Will I convective ventilate the attic? Do I have yards to take advantage of them?

Other devices. Maybe now or later I will be wanting to install other supporting systems like solar collector for hot water, photovoltaic panels for electric generation, water harvesting, etc. If this is the case, the roof design is important to allow the installation of these devices at the minimum cost, and to reserve the necessary room inside or outside for the devices.

  • Bioclimatic for Home
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