May
31
116506-01-XL DAYLIGHT AND INDOOR CLIMATE IN A RENOVATED DANISH SCHOOL

by Jens Christoffersen, Anna Karina Hammelev Hansen, Karsten Andersen, Peter Foldbjerg, Thorbjørn Færing Asmussen, VELUX Group

Good indoor climate should be a key component of school modernization projects to achieve significant energy savings, be environmentally responsible, and eventually have an influence on student attendance, impact on learning, and better overall facilities for students to learn and educators to work.

Endrup school is located north of Copenhagen in Denmark and renovated recently. The purpose of the renovation was to improve the indoor air quality […]

May
13
Montfoort_06A0424 DAYLIGHT FOR ALL

by Jakob Schoof

In the small town of Montfoort, the first ten of millions of Dutch terraced houses have been converted into Active Houses. Their roofs harness the sun’s energy in three ways: to generate power, to supply heat, and as a source of light that significantly enhances the comfortable living conditions in these spacious but very deep houses.

Between 1945 and 1975, 2.5 million houses were built in the Netherlands, about 1.3 million of which were terraced houses. Many of these […]

May
04
large_df7cb4cb-2220-40b3-a97f-ddeaa6e0c732 DAYLIGHT IN GREEN SOLUTION HOUSE

by Milena Slipek

Green Solution House is a conference center and hotel located on the Island of Bornholm in Denmark. The building was created with a special focus on providing environmental-friendly solutions, based on local recyclable materials usage, renewable energy sources utilization and life-cycle considerations. At the same time, Green Solution House aims to provide a healthy indoor environment for the visitors, meaning that they can benefit from the high levels of daylight, temperature ranges and fresh air.

Perspective view of […]

May
03
2 ENERGIZING WITH LIGHT

by Jakob Schoof

Architectural design, ecological aspirations and a high standard of education enter into a close symbiosis in the Austrian federal state of Vorarlberg. For the young people who use it, the classrooms and corridors of the energy-efficient timber building offer plenty of room for movement and an abundant supply of daylight.

The secondary school in Klaus conceived by Dietrich | Untertrifaller set standards in this regard as long as 14 years ago. The architects have now supplemented the school with a […]

May
02
4 DAYLIGHT IN GREEN LIGHTHOUSE

by Nicolas Roy, VELUX group

Model Home 2020 is an experiment launched by VELUX as part of our strategy to contribute actively to the development of future sustainable buildings. This is our vision for how daylight and fresh air can render buildings of the future climate-neutral while providing a good indoor climate and being attractive to reside in.

The project supports the ideas of the coming generation within building design – often called “active houses”. The purpose is to create a balance […]

May
01
6064a2ef-129e-4dd2-b9ca-9fa743122b3d DEVELOP BRIGHT IDEAS WITH DAYLIGHT VISUALIZER

by Nicolas Roy, VELUX group

VELUX Daylight Visualizer is a powerful tool to develop ideas for natural light in buildings. From small investigations to full project evaluations, it lets you calculate the performance of daylight in your design, as well as its appearance for a wide range of sky conditions.

With Daylight Visualizer you can both visualize the appearance of daylight with photo-realistic renderings, and quantify the amount and distribution of daylight with false color images.

The example below shows a comparison between […]

April
26
HHB 2016 HEALTHY HOMES BAROMETER 2016

by Michael K. Rasmussen, VELUX Group

We all need a place to call home – a place to feel safe, sound and comfortable. However, feeling “at home” is not as straightforward as it used to be. The growing concern for global climate change has transformed the home into something much more complex and demanding. Today, the ability to be energy efficient while ensuring a healthy indoor climate has become the number one challenge in our building stock. And since we spend […]

March
17
1_640p DAYLIGHT IMPACTS ON ELDERLY PEOPLE WITH VISUAL IMPAIRMENTS

by Francesca Borra and Laura Cane, Politecnico di Torino, School of Architecture, Ms in Architecture Construction and City, Italy. The master thesis is a collaboration with Norwegian University of Science and Technology (NTNU).

Is it possible, through a careful natural lighting design, to safeguard the same accessibility both for normal sight and visually impaired elderly people in daily home tasks performance (cooking, reading, take medicines, watching tv, etc.)? This is the question that inspired us to carry out a series of full-scale experiments, both […]

January
29
IVA_640 INTERNATIONAL VELUX AWARD 2016 COMPETITION FOR STUDENTS OF ARCHITECTURE

by Nicolas Roy, VELUX Group

The International VELUX Award 2016 for students of architecture is a competition that wants to encourage and challenge students to explore the theme of daylight – and to create a deeper understanding of this ever-relevant source of energy, light and life.

The award encourages projects that celebrate the privilege of being a student with curiosity and with the willingness to think “out of the box” – as well as consider the social, sociological and environmental dimension of […]

December
09
augustesen_01 ARCHITECTURE FOR THE SENSES

by Christina Augustesen

How can we design buildings that stimulate our senses, follow our human needs and allow us to live in balance with nature? Buildings, which combine the use of daylight and artificial light and use the “double dynamic” potential of controlling daylight and artificial light, might stimulate our senses and human needs, as well as enhance the feeling of living in balance with nature.

Christina Augustesen presenting “Architecture for the Senses” at the 6th VELUX Daylight Symposium in London.

The Sense […]

December
08
andres FOCUSING ON PEOPLE WITH CLEAR PRIORITIES TOWARDS BETTER ARCHITECTURE

by Peter Andres

Evolution has conditioned human beings to flourish in daylight. This is borne out by many involuntary functions we are unable to influence, such as the automatic adjustment of our eyes to brightness, distance and colour, our circadian rhythm of day and night, and, not least, the production of vitamin D through exposure of our skin to sunlight, an essential process for the regulation of bone growth and calcium levels in blood. Furthermore, the uplifting spirit that we all […]

olafur_640 DAYLIGHT, PERCEPTION, MOVEMENT AND EMBODIED EXPERIENCES

by Olafur Eliasson

Olafur Eliasson’s art is driven by his interests in perception, movement, embodied experience, and feelings of self. Eliasson strives to make the concerns of art relevant to society at large. Art, for him, is a crucial means for turning thinking into doing in the world. Eliasson’s diverse works – in sculpture, painting, photography, film, and installations – have been exhibited widely throughout the world. Not limited to the confines of the museum and gallery, his practice engages the […]

scarazzato LEARN TO DESIGN – WITH LIGHT

by Paulo Scarazzato

In recent years, the interest in daylighting has experienced an unquestionable growth, not only among architects but also among the general public. At the same time, many people are also pursuing a healthier lifestyle, caring more about their bodies and their nourishment. If this weren’t true, how else could we explain the success of fitness centres and natural foods? In my opinion, this is a direct consequence of the saturation of the model that I call “artificial life”, […]

December
07
REINHART_640 ACCESS TO DAYLIGHT – GETTING PEOPLE OUTSIDE AND DAYLIGHT INSIDE

by Christoph Reinhart, MIT

The question of successfully providing daylight to people has two distinct sets of solutions: We can try to get more people outside or more daylight inside of buildings. Ideally, we follow both approaches synchronously. In order to do so requires integrated urban design approaches that holistically address questions of creating comfortable outdoor spaces, providing sufficient amenities to accomplish high walkability levels (people have to do something outside) and finally accomplishing sufficient access to daylight within buildings. Such […]

December
04
foster DAYLIGHT AND ARCHITECTURE

by David Nelson, Foster + Partners

In this lecture David Nelson, Head of Design at Foster+Partners, demonstrates the versatile opportunities in designing with daylight through the impressive global design portfolio of his firm. Other examples from China to the US and Europe showed that daylight as a key to sustainable buildings – is a global movement.

David Nelson shares design responsibility for all Foster + Partners’ projects as joint Head of Design. He joined Foster Associates in 1976, working on a number of […]

pellegrino CREATING CHANGE THROUGH DAYLIGHT

by Anna Pellegrino, Politecnico di Torino

Daylighting has always been an essential and irreplaceable resource in the field of architecture. It can be considered a resource from a design perspective, since it contributes significantly to the character and appearance of indoor spaces in buildings, due to such features as quantity, distribution and direction, through effects of light and shadow, and as a result of its variability in space and time.

It is a resource from an economic perspective, since daylight availability and the […]

November
23
John M - video_3 DAYLIGHTING OF HERITAGE SPACES: BALANCING ACCESS AND CONSERVATION

Posted by Jens Christoffersen, VELUX Group

New research into the distribution of natural light and its level of exposure in historic buildings has been carried out by Loughborough University on behalf of the National Trust. John Mardaljevic, Professor of Building Daylight Modelling in the School of Civil and Building Engineering, has been using high dynamic range (HDR) imaging to measure where the natural light falls at different points throughout the day and over several months in the Smoking Room at Ickworth House […]

November
16
jakubiec_640_snapshot THE USE OF VISUAL COMFORT METRICS IN THE DESIGN OF DAYLIT SPACES

by J. Alstan Jakubiec, Architecture and Sustainable Design, Singapore University of Technology and Design (SG)

It is desirable to design buildings with natural daylight and views to the outside, which can maximize passive solar heating, minimize electric lighting use and contribute to feelings of well-being and awareness. Unfortunately, the presence of daylight is not always a positive one. Excessive brightness, strong contrast or intense reflections from daylight can cause visual discomfort or the inability to perform tasks. Typically, the total amount of luminous flux […]

A CIBSE Daylight Group event: SLL Guide LG10 Daylighting – a guide for designers
November
02
thekla_ehling_FA-640 D/A – DESIGN WITH SUNLIGHT FIRST

by Francesco Anselmo, Lighting Designer at Arup in London

Can we imagine a house without windows? Probably not, yet we don’t seem to mind spending most of our lives in artificial environments, working, studying, meeting, shopping deep inside buildings where air and light are crafted by machines to create the most uniform and stable conditions.

We’ve strived to create the perfectly stable environment at work to avoid dis-tractions and enhance productivity. These conditions are sanctified by design recommendations, building regulations and energy […]

October
23
bagsvaerd_kirke_loftshvaelv NORDIC LIGHT

By Nanet Mathiasen, The Royal Danish Academy of Fine Arts, Schools of Architecture, Design and Conservation, Denmark

Nordic Light ‐ and its impact on the design of apertures in Nordic architecture

Living on the northern‐most part of the globe means we experience the Nordic light every day, and this dissertation is about this very special light.

Traditionally, the northern people have been very conscious of the Nordic daylight. They see the Nordic light as a distinctive feature of the northern countries as well as of great importance for […]

A CIBSE Daylight Group event: Assessing new metrics for daylight prediction
daylight saving time bear hibernating BACK TO WINTER TIME

by Nicolas Roy, VELUX Group

This weekend, remember to move your clock back and enjoy that extra hour of sleep on Sunday!

The last weekend of October is the time when we say goodbye to daylight savings time (DST) or summer time. The concept of daylight saving is dating back to 1895 and was first proposed by New Zealander George Hudson, and implemented for the first time by Germany and Austria-Hungary in 1916. Many more countries have started to use the concept […]

Lighting Visions: Light, Space and Nature
October
22
Paul Bogard VELUX Daylight Symposium THE END OF NIGHT – A MUST WATCH LECTURE ON THE IMPORTANCE OF DARK SKIES

by Paul Bogard, James Madison University

A starry night is one of nature’s most magical wonders. Yet in our artificially lit world, most of us no longer experience true darkness. In this talk based on his book THE END OF NIGHT, Paul Bogard seeks to restore our awareness of the spectacularly primal, wildly dark night sky and how it has influenced the human experience across everything from science to art. Using a blend of personal narrative, natural history, science, and astronomy, Bogard […]

illuminance640 NEW CLIMATE-BASED DAYLIGHT SIMULATIONS COMPONENT FOR TRNSYS

by Giuseppe De Michele, EURAC Research

The Institute for Renewable Energy of EURAC research is pleased to announce the first release of the ‘TypeDLT’, a new TRNSYS component that enables climate-based daylighting simulation. This software uses the Three-Phase Method of Radiance to help you analyse the effects of ‘Complex Fenestration Systems’ from the perspective of visual comfort and daylight availability. Additionally, it gives you the opportunity to develop custom control strategies for dynamic shading devices. Its integration in the Trnsys environment allows […]

October
19
Mandana Sarey Khanie_Velux_Thesis_640 HUMAN RESPONSIVE DAYLIGHTING IN OFFICES: A GAZE-DRIVEN APPROACH FOR DYNAMIC DISCOMFORT GLARE ASSESSMENT

by Mandana Sarey Khanie, Ecole Polytechnique Fédérale de Lausanne (EPFL), Switzerland

This dissertation proposes a novel gaze-driven approach for dynamic discomfort glare assessments as a first step towards understanding human responsive comfort with respect to daylight. The objective was to observe the natural gaze behaviour in relation to glare for office spaces with the conditions implicitly constrained by real world luminous conditions. In the existing visual comfort models human behaviour is not sufficiently considered. These models employ only subjective assessments, which lack an […]

October
13
VELUX Daylight Academic Forum 2015 CHECK THE VIDEO FROM OUR 3RD VELUX DAYLIGHT ACADEMIC FORUM

by Jens Christoffersen, VELUX Group

On 1 September 2015, 25 PhD students from 10 different countries met for the third time to focus on daylight, its effects on people and the environment. The students spent a day at London Metropolitan University together with allocated experts/mentors and with sufficient time for sharing new ideas and methods, to review and discus and – most importantly – to meet fellow students and create a community among PhD students across Europe. Thanks to the students who attended, […]

October
12
DIVADay2015 DIVA DAY 2015 IS TAKING PLACE ON 23 OCTOBER IN LONDON

posted by Nicolas Roy, VELUX Group

DIVA Day is a full-day event of presentations and panel discussions for practitioners, students and educators about building performance and design using DIVA and associated building simulation tools. This year, in addition to going international, we are excited to be pairing up with the Architectural Association in London to bring you exciting new work in the field of building performance and design.

This year’s events will include:

New features in DIVA and the beta release of DIVA […]