Scanvac 1/2008 - E-magin 5

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<a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=1">Scanvac Sida 1 N E W S L E T T E R SCANVAC - SCAND</a> INAVIAN FEDERATION OF HEATING, VENTILATION AND SANITARY ENGINEERING ASSOCIATIONS IN DENMARK, FINLAND, ICELAND, NORWAY AND SWEDEN 1/2008 Read the interview with Hannu Sipilä, 56, leader of SuLVI, on page 7. . PHOTO: SWECO THEORELLS New executive manager for the Finnish HVAC association, SuLVI. N E W S L E T T E R SCANVAC - SCANDINAVIAN FEDERATION OF HEATING, VENTILATION AND SANITARY ENGINEERING ASSOCIATIONS IN DENMARK, FINLAND, ICELAND, NORWAY AND SWEDEN 1/2008 Read the interview with Hannu Sipilä, 56, leader of SuLVI, on page 7. . PHOTO: SWECO THEORELLS New executive manager for the Finnish HVAC association, SuLVI. <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=2">Scanvac Sida 2 contents 2 3 6 N E W S L E T T E R </a> Editor: Signhild Gehlin Layout: Anne Strömer SWEDVAC Vasagatan 52 SE-111 20 Stockholm, Sweden Tel: 46 8 791 66 80 Fax: 46 8 660 39 44 E-mail gehlin@siki.se www.scanvac.net Deadlines: 1 April and 1 November ISSN 0804-0745 There is no copyright on Scanvac Newsletter 7 Cold Climate HVAC 2009 on Greenland Effstock 2009 ”Air” Swegon AIr Academy´s irst book Building Occupants as under-utilized source of information the actual percentage of dissaied persons could be much higher than standards indicate Doctorate Theses Double Finnish top posi- tions at Rehva Interview with SuLVI´s new executive manager Press items Awards HVAC Calender SCANVAC 1/2008 9 10 Cold Climate HVAC 2009 on Greenland The 6th International Conference on Cold Climate - Heating, Ventilating and Air- Conditioning, arranged by Scanvac, will be hosted by Danvak in Sismut, Greenland, 16-19 March 2009. THE PRINCIPAL OBJECTIVE of Cold Climate HVAC 2009 is to provide key elements of a strategy by which scientists, designers, engineers, manufactures and other decision makers in cold climate regions can achieve good indoor environme- ntal quality (IEQ), with a minimum use of our precious resources and energy. Main conference topics are: w Energy and sustainability in arctic environments w Building technology for people in the artic w Indoor environment and health w Challenges for remote areas w Cold climate building envelopes and moisture management w HVAC and facility management Attendants will be able to enjoy a social programme offering bus tour round Sisimiut, visit in Low Energy House, visit to Sisimiut Building School, tour with snowscooter and dog sledge. EFFSTOCK 2009 THE 11TH INTERNATIONAL CONFERENCE on Thermal Energy Storage, Stockholm, 14-17 June 2009 has the aim to encourage awareness and solutions for energy conservation through energy storage. Major topics include seasonal, diurnal, and short term storage technologies including; geothermal heat pumps systems and other underground thermal energy storage systems for heating and cooling commercial, industrial and institutional buildings, diurnal ice storage and other diurnal thermal storage systems; phase change materials for building and non building applications. Swedvac, the Swedish Society of HVAC Engineers is hosting the conference in conjunction with the society celebrating its 100 years anniversary, and the con- ference Gala Dinner will be held in the magniﬁcent Blue Hall of the Stockholm City Hall. The conference homepage is now open for abstract submission at www.effstock2009.com, where more information is found. 4 contents 2 3 6 N E W S L E T T E R Editor: Signhild Gehlin Layout: Anne Strömer SWEDVAC Vasagatan 52 SE-111 20 Stockholm, Sweden Tel: 46 8 791 66 80 Fax: 46 8 660 39 44 E-mail gehlin@siki.se www.scanvac.net Deadlines: 1 April and 1 November ISSN 0804-0745 There is no copyright on Scanvac Newsletter 7 Cold Climate HVAC 2009 on Greenland Effstock 2009 ”Air” Swegon AIr Academy´s irst book Building Occupants as under-utilized source of information the actual percentage of dissaied persons could be much higher than standards indicate Doctorate Theses Double Finnish top posi- tions at Rehva Interview with SuLVI´s new executive manager Press items Awards HVAC Calender SCANVAC 1/2008 9 10 Cold Climate HVAC 2009 on Greenland The 6th International Conference on Cold Climate - Heating, Ventilating and Air- Conditioning, arranged by Scanvac, will be hosted by Danvak in Sismut, Greenland, 16-19 March 2009. THE PRINCIPAL OBJECTIVE of Cold Climate HVAC 2009 is to provide key elements of a strategy by which scientists, designers, engineers, manufactures and other decision makers in cold climate regions can achieve good indoor environme- ntal quality (IEQ), with a minimum use of our precious resources and energy. Main conference topics are: w Energy and sustainability in arctic environments w Building technology for people in the artic w Indoor environment and health w Challenges for remote areas w Cold climate building envelopes and moisture management w HVAC and facility management Attendants will be able to enjoy a social programme offering bus tour round Sisimiut, visit in Low Energy House, visit to Sisimiut Building School, tour with snowscooter and dog sledge. EFFSTOCK 2009 THE 11TH INTERNATIONAL CONFERENCE on Thermal Energy Storage, Stockholm, 14-17 June 2009 has the aim to encourage awareness and solutions for energy conservation through energy storage. Major topics include seasonal, diurnal, and short term storage technologies including; geothermal heat pumps systems and other underground thermal energy storage systems for heating and cooling commercial, industrial and institutional buildings, diurnal ice storage and other diurnal thermal storage systems; phase change materials for building and non building applications. Swedvac, the Swedish Society of HVAC Engineers is hosting the conference in conjunction with the society celebrating its 100 years anniversary, and the con- ference Gala Dinner will be held in the magniﬁcent Blue Hall of the Stockholm City Hall. The conference homepage is now open for abstract submission at www.effstock2009.com, where more information is found. 4 <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=3">Scanvac Sida 3 SCANVAC 1/2008 Swegon Air Academy i</a> s releasing its irst book – “Air”. The book turns to those who own or plan houses, who have the possiblity to inluence the design, the disposition and the indoor climate and to those who have an interest in more knowledge about the air we breathe and the way this air affects us. The ambition is to explain complicated connections in an understandable way - so everyone has better conditions to make smart decisions. “How iS iT poSSible that external air is almost all the time described as heavenly, whereas indoor air is described as different degrees of hell?” This is a question of one of the authors in “Air”. The question can be understood as provocative but is actually highly relevant and a reason for the development of the book, which is an anthology of many self-contained chapters. The need for fresh air for people’s health and productivity is rarely doubted by anyone. Our brain and the cells in our body need oxygen for development and function. However, impurities in the air we breathe cause more problems than most of us anticipate or understand. The choice of a ventilation system is often steered by short-sighted economical interests and it seems to be difﬁcult to draw the consequences and avoid to repeat old mistakes. Air wants to contribute to the process of ﬁnding a remedy. The air’s way from the air intake through an existing ventilation system with all its possible parts, via the room and into our lungs is decribed, so are the impacts of noise in our surroundings on people. The importance of light for our health and well-being is another subject and Air highlights medical, comfort, energy and environmental aspects. The aim of the book is to demonstrate and proof the factors and circumstances which are of importance for attainment of a good indoor climate and energy effective operation with respect and consideration of the external environment. Contributors in “Air” are partly Swegon’s own experts – but above all we turned to external experts. This way we don’t compromise our ambition to impart neutral and objectiv information without hinting advertising or marketing. The book will be published in Swedish (“Luft”) and in English (“Air”). We hope that our Air can con- tribute to a trendsetting, delighting development. The Swedish version was launched during a half-day seminar in connection with the Nordbygg exhibition in Stockholm, April 2nd. Lecturers in this seminar were some of the authors: w Business Development Manager Conny Nilsson, Swegon Air Academy, Kvänum w Associated Professor Lars Ekberg, CIT Energy Management, Göteborg w Professor Emeritus Arne Elmroth, Stockholm w Meteorologist Martin Hedberg, Swedish Weather and Climate Centre SWC, Stockholm w Tecn. Dir. Johnny V Andersson, Ramböll Sverige AB, Stockholm “Air” Swegon Air Academy’s first book <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=4">Scanvac Sida 4 ...................................</a> 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SCANVAC 1 /20084 An occupant satisfaction survey is a tool to analyze the perception for the ac- tual indoor environmental quality. The results of the conducted study show that the actual percentage of dis- satisied persons could be higher than 30% although the mechanical systems are designed to fulil the highest IAQ class. INTRODUCTION THE THERMAL SENSATION of the body as a whole (general thermal comfort) can be predicted by calculating the predicted mean vote (PMV) index introduced in ISO 7730 2005. The predicted percentage dissatisﬁed (PPD) index, obtained from the PMV index, provides information on thermal discomfort (thermal dissatisfaction) by predicting the percentage of people likely to feel too hot or too cool in the given thermal environment. The criteria for the excellent level of PPD- index is 6% (EN 15251 2007). Criteria for the good and basic levels are set to 10% and 15%, respectively. A model for local discomfort that pre- dicts the percentage of dissatisﬁed due to draught was introduced in ISO 7730. An index called draught rating (DR) index was derived as a function of mean air velocity, air temperature and turbulence intensity. A draught rating (DR) lower than 15% is recommended in the standards. Even though numerical physical mea- sures deﬁne accurately different factors of the indoor environment, only the perceived quality determines the total performance of the building from user’s point of view. The occupant IEQ survey is a tool that helps to assess how well a building is performing from the viewpoint of its occupants. In this article, the results of the occupant satisfaction surveys are presented where the perception of the actual indoor environment quality is analyzed in 29 ofﬁce buildings. METHOD AND RESULTS In this study, an occupant satisfaction survey was conducted to analyze the perception for the actual indoor environment quality in 29 ofﬁce buildings. All buildings are mechani- cally ventilated and equipped (except one building) with air-conditioning system. The studied buildings fulfil the requirements of either indoor class excellent or good in Finnish classiﬁcation (FISIAQ 2001). Thus, the buildings represent the state-of-the art technology in Finland. The used mechanical systems are all-air systems with centralized air-conditioning or active chilled beam sys- tems with room or zone based temperature control. The questions assess satisfaction with the following IEQ areas: ofﬁce layout, ofﬁce fur- nishing, thermal comfort, indoor air quality, lighting, acoustics, safety and security, and building cleanliness and maintenance. A web-based survey has been utilized as a diagnosis tool to identify speciﬁc problems and their sources. Satisfaction is rated on a seven-point scale ranging from “very satis- ﬁed“ to “very dissatisﬁed”, with a neutral midpoint. Whenever a respondent indicates dissatisfaction with an aspect of building performance, a branching page follows with more detailed questions about the nature of the speciﬁc problem. From the point of view of the occupants, thermal comfort, IAQ and acoustics (noise level and acoustic privacy) have got the lowest average ratings (Fig.1). Almost in all buildings, those factors are the main concern for improvements. However, even if average satisfaction rating is quite often used to categorize buil- dings, it cannot deﬁne the actual number of persons who are dissatisfied with the conditions. When the total numbers of the dissatisﬁed are computed (negative rates of –1, -2 and –3 together), the number of the dissatisﬁed persons is very high (Fig. 2). The percentage of dissatisﬁed on ther- mal comfort and air quality is over 20% in many buildings. The results are even worse in acoustics privacy: the percentage of dis- satisﬁed is typically 30-60%. All this depicts that actual perception on IEQ is much lower than during the design phase set requirement level. Conclusions The percentage of dissatisﬁed according to the surveys is much higher than the set target values in the international standards. It is es- sential to note that subjects are asked what the thermal conditions usually are like in the occupied building. In this kind of retrospec- tive approach, subjects may exaggerate how often and to which extent they are dissatisﬁed on IEQ, in order to ensure that something will be done about it. Another source of variation in surveys is that in the survey it is not possible to know how bad the conditions have been in the past in all the places the subjects have been occupied. There could be only a limited time that the occupants are referring to when they complain. The results depict that even if the average satisfaction in IEQ survey shows high scores major problem areas may exist in some parts of buildings. Also in many buildings, the actual percentage of dissatisﬁed persons is higher than 30 % especially with thermal comfort, indoor air quality and acoustics. The results are even worse in acoustics privacy: the percentage of dissatisfied is typically 30-60 %. Generally, the main reasons for the high number of the dissatisﬁed persons are the faults in commissioning and maintenance process. Also nowadays, the design process is mainly focusing on the peak load conditions and the performance of the system is not sufﬁciently analyzed during mid-season. In addition, organizational changes are conti- nuous and require changes not only in the workplace layouts but also in the mechanical systems. Without adjustments, layout chan- ges might create e.g. draught, lighting and air quality problems. BUILDING OCCUPANTS AS UNDER-UTILIZED SOURCE OF INFORMATION THE ACTUAL PERCENTAGE OF DISSATISFIED PERSONS COULD BE MUCH HIGHER THAN STANDARDS INDICATE <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=5">Scanvac Sida 5 ...................................</a> 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SCANVAC 1/20085 REFERENCES BOMA 1999. What tenants want building features, amenities and services. Building Owners and Managers Association and Urban Land Institute, USA. CEN. 1998. CR 1752, Ventilation for Buildings: Design Criteria for the Indoor Environment. Brussels. European Commit- tee for Standardization. EN 15251 2007. Indoor environmental input parameters for design and assessment of energy performance of buildings addres- sing indoor air quality, thermal environment, lighting and acoustics. FISIAQ 2001. Classiﬁcation of Indoor Climate, FISIAQ Publications, Espoo, Fin- land (in Finnish) ISO 7730. 2005. Ergonomics of the ther- mal environment- Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria. Risto Kosonen and Mervi Kajaala Halton Oy BUILDING OCCUPANTS AS UNDER-UTILIZED SOURCE OF INFORMATION THE ACTUAL PERCENTAGE OF DISSATISFIED PERSONS COULD BE MUCH HIGHER THAN STANDARDS INDICATE Figur 1. Benchmark comparison of average satisfaction ratings and their variations by survey category (n=3796 persons in 29 buildings). Figur 2. The percentage of the dissatisﬁed on thermal comfort, air quality and acoustic privacy in 29 buildings. Case buildings are binned in the ascending order of dissatisﬁed on thermal comfort. 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SCANVAC 1/20085 REFERENCES BOMA 1999. What tenants want building features, amenities and services. Building Owners and Managers Association and Urban Land Institute, USA. CEN. 1998. CR 1752, Ventilation for Buildings: Design Criteria for the Indoor Environment. Brussels. European Commit- tee for Standardization. EN 15251 2007. Indoor environmental input parameters for design and assessment of energy performance of buildings addres- sing indoor air quality, thermal environment, lighting and acoustics. FISIAQ 2001. Classiﬁcation of Indoor Climate, FISIAQ Publications, Espoo, Fin- land (in Finnish) ISO 7730. 2005. Ergonomics of the ther- mal environment- Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria. Risto Kosonen and Mervi Kajaala Halton Oy BUILDING OCCUPANTS AS UNDER-UTILIZED SOURCE OF INFORMATION THE ACTUAL PERCENTAGE OF DISSATISFIED PERSONS COULD BE MUCH HIGHER THAN STANDARDS INDICATE Figur 1. Benchmark comparison of average satisfaction ratings and their variations by survey category (n=3796 persons in 29 buildings). Figur 2. The percentage of the dissatisﬁed on thermal comfort, air quality and acoustic privacy in 29 buildings. Case buildings are binned in the ascending order of dissatisﬁed on thermal comfort. <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=6">Scanvac Sida 6 SCANVAC 1 /20086 Doctorate Thesis A</a> BSTRACT There are very few studies on perceived climate in hospital environments. This study deals with hospital wards, the conse- quences of establishing requirements for air humidity in them, and the use of existing recommendations and guiding principles. Many variables affect people’s perception of the indoor environ- ment. The physical environmental variables are relatively easy to measure. The difﬁculty lies in linking the measured values to medical consequences and effects. A way to do this is, as in this study, to combine objective measurements and questionnaires. The thesis work combines a literature survey and a measurement program. The survey concentrates on indoor climate and its medical aspects; it also indicates the importance of air humidity from both climate and medical points of view. In practice, this type of information seems to have disappeared in the design process. The ﬁeld studies were carried out in four selected Swedish hospitals during both summer and winter. Objective measurements and questionnaires were used simultaneously to form a clearer picture of how the staff and patients perceive the indoor environment. The results show that the predicted optimal operative temperature for staff and patients, according to their clothing and level of activity, differs from their perception of the measured indoor temperature. Despite similarities, staff and patient needs cannot be summarised together. This is due mainly to the difference in their conditions, such as medication, level of activity and clothing. Moreover, calculations of the climate index (predicted mean vote, PMV) and dissatisfaction index (predicted percentage of dissatisﬁed, PPD) values, show that they do not correspond to the respondents’ perception of the indoor climate. There are indications that today’s recommendations and guiding principles cannot be applied to hospital environments without correction factors. This study highlights the need to elucidate and specify the requirements and recommendations for indoor environment in hospital wards. The air humidity can be a more important variable than formerly believed. This work illustrates that paying attention to air humidity is important; however the level desirable should ﬁrst be conﬁrmed from a medical point of view. The consequences of the requirements could thereafter be discussed and acted upon. Some guiding principles for a ward are proposed in this thesis. It should be a natural phase to discuss and analyse the need for air humidity requirements during the design and planning process in far more detail than today. ABSTRACT There is an increased awareness about global environmental changes, and a need for products and systems with the lowest possible impacts on the environment, without trade-offs on the original function or quality. The need for air-conditioning and comfort cooling in commercial buildings has increased and an appropriate design of the air-conditioning system is thus important in order to reduce the environmental impact related to air-conditioning of buildings. The aim is to describe how the environmental performance of air-conditioning systems can be assessed at the design stage. The focus is on the application of existing methods. The life cycle assessment (LCA) based weight- ing methods are used for the environmental assessment of these systems. This approach is exempliﬁed in ﬁve case studies. The case studies form a basis for identiﬁcation of the major sources of the environmental impacts and enables recommendations on how to improve the environmental performance of the systems. Furthermore, environmental consequences of various require- ments on the indoor thermal climate are analyzed. It is shown that life cycle assessment (LCA) based weighting methods can be used for environmental assessment of air-con- ditioning systems. The required effort to use these methods is reasonable in relation to design practice, but the interpreters of the results and decision-makers have to be aware of the limita- tions and trade offs of these methods in order to draw appro- priate conclusions. It is also shown that the major contributor to the environmental impact of air-conditioning systems is the electricity used for the operation of fans. A design with a low speciﬁc fan power is thus an advantage from an environmental point of view. The environmental impact from the production of the components is comparably low, especially if recycling of used materials is considered. The inﬂuence of thermal comfort criteria is also comparably low, especially, if the system is designed with a low speciﬁc fan power. It should further be noted that the environmental performance is strongly affected by assumptions about the electricity mix used. Jennie Ekbom Department of Building Technology, Building Services Engineering, Chalmers University of Technology, Sweden User Perception of Climate in Hospital Wards. An Analysis of Thermal Climate and Air Humidity Demands Doctorate Thesis Katarina Heikkilä Department of Building Technology, Building Services Engineering, Chalmers University of Technology, Sweden Environmental Assessment of Air-condi- tioning Systems. Design Considerations for Swedish Conditions <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=7">Scanvac Sida 7 SCANVAC 1/20087 AT THE 52ND Rehva G</a> eneral Assembly in Berlin, 11-12 April 2008, Finland gained two prestigious positions in the Rehva ma- nagement. Rehva’s retiring president, professor Olli Seppänen, was elected new general secretary of the organi- sation, with position in Brussels. The general secretary is a new ser- vice within Rehva, and the desicion to intro- duce the general secre- tary service gives Rehva great new opportunities to influence and participate in the process of decreasing the European dependence on fossil fuels, and the ongoing conversion to a more energy efﬁcient Europe. At the general assembly Maija Virta from Finland was elected new Rehva board member. Professor Francis Allard, France, suc- ceeds Professor Olli Seppänen as Rehva president. DOUBLE FINNISH TOP POSITIONS AT REHVA Francis Allard, France, succeeds Olli Seppänen, Fin- land, as Rehva president, as Olli Seppänen becomes Rehva’s ﬁrst general secretary. Maija Virta, Finland, was elected new Rehva board member at the general assembly in Berlin. Photo: Signhild Gehlin Photo: BG J AREFoRS Hannu Sipilä, new executive manager for the Finnish HVAC association, SuLVI - Interesting tasks in sight in familiar working environ- ment HANNU SIPILÄ, WHO since the beginning of this year has been executive manager for Suomen LVI-Liitto, SuLVI ry (The Finnish HVAC association), cannot be called tiny nor slender. Hannu is a bit over 190 cm tall and his handshake is ﬁrm as of a man who knows what he wants. - I know exactly what kind of job this is. I have been involved in organisations before. It is something quite opposite from my earlier industry works. But even in this ﬁeld you have to deal with people and that is something I like. I ﬁnd it easy to get along with people and I am sure that I will ﬁnd the right tune, says Hannu. Hannu Sipilä, 56, noticed an ad in Helsingin Sanomat last spring were SuLVI looked for an executive manager. - I did not hesitate too long to respond on it, because I realized, that if I want a third working carrier in my life it is about time now. Knows everybody Hannu had no plans to change job, the days at Fläkt Woods were full of challenges and pos- sibilities. - But here I am. In my earlier jobs I have travelled throughout the country and most of SuLVI´s members are old friends of mine - at least by name and appearance. And that cannot be a disadvantage, can it? The travelling will continue in this new job, SuLVI consists of 34 member organi- sations and the contact with them must be close. Professionalism needed - I have a feeling that SuLVI is being consi- dered as something distant - something that causes expenses. We have to keep in mind that it is a member organisation for over 4 500 persons and such a big organisation has to be professionally handled - and therefore personnel is needed. It is not any voluntary work. The number of employees in SuLVI´s central ofﬁce was ﬁve last year and this year we are only four. - My vision is to keep the education as professional as possible and concentrate it to our own ﬁeld, Hannu emphases. And we have nothing against to tailor-make education programs for companies. Such education is quite easy to carry out, because it takes place at only one location. More active recruiting Besides education the recruiting of new members is the greatest challenge and in a way they complete each another. -SuLVI´s members are getting older, but I do not see that as a problem. It can rather be a source of wealth, says Sipilä. - It is very important for us to recruit new people in order to increase the number of members. And now is the time for that. Today the number of students interested in HVAC is much bigger than the number of student places the vocational schools can offer. This means that the ones who are accepted are highly motivated. SuLVI has to take advantage of this possibility. Hannu Sipilä thinks that a membership in a local HVAC organisation is the best way for a stu- dent to make his way into the busi- ness. (BT) Interview with SuLVI’s new executive manager <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=8">Scanvac Sida 8 SCANVAC 1/2008 8 NORWAY The new see</a> d storage at Svalbard, will be the largest and safest global storage of seed samples for food and utility plants. It consists of three separate rock halls, each of them offering space for 1.5 million seed samples. The storage will keep 18 centigrades below zero, and it will take 6 months before the newly opened plant has reached this temperature. During these initial 6 months, an external cooling machine with an extra capacity of 40 kW will be used. After that a more energy efﬁcient cooling system of 10 kW will keep the storage at minus 18 centigrades. There is permafrost at Svalbard, which will help to secure that even if the cooling system fails for a long period of time, the storage will not reach temperatures above minus 3-4 centigra- des. This makes the Svalbard storage the safest global seed sample storage in the world. NORWAY The largest geothermal plant has been built for the new uni- versity hospital in Akershus, Norway.The plant consist of 350 boreholes for seasonal storage of heat and cold, and covers 85% of the heating demand. The four heat pumps in the plant have a capacity of 8 MW. DENMARK The university in Copenhagen, Denmark, will build the ﬁrst building in Denmark to be totally CO2-neutral. To manage the CO2-neutrality demand, the building will be equipped with solar panels as well as geothermal heating. SWEDEN Tesco, the world’s number two supermarket chain with more than 3000 stores in the UK alone, is using ground-breaking Swedish-designed technology to check on the performance and efﬁciency of its store-based refrigeration systems. The retailer is using the ClimaCheck performance analyser to carry out onsite checks on large store refrigeration systems that cool display cases and cold rooms. Such plant can account for more than 50 per cent of a store’s energy usage. The company will also use the system to accurately compare the performance of environmentally friendlier cooling technologies being trial- led by Tesco, to help assess which operates most efﬁciently. With a few basic measurements, it can calculate the: overall efficiency for both cooling and heating, system capacity, compressor efﬁciency – as a measure of wear, superheat in the evaporator, sub-cooling in the condenser, and ﬂow in the condenser and evaporator. Armed with this information, engineers can optimise plant performance – resulting in huge savings in power and carbon emissions. Press items Professor P. Ole Fanger, was inducted into the Ashrae Hall of Fame DANISH PROFESSOR POVL OLE FANGER, widely conside- red the world’s leading expert on the effects of the indoor environ- ment on human comfort, was inducted into the Ashrae Hall of Fame at its Winter Meeting held in New York City January 19-23. The Hall of Fame honors deceased members of the American Society of Heating, Refrigerating and Air-Conditioning Engineers who have made milestone contributions to the growth of HVAC&R technology. Fanger’s pioneering work on thermal comfort and indoor air quality provided the scientiﬁc foundation for standards across the world. FANGER DIED IN 2006 AT THE AGE OF 72. Östen Innala new Swedvac president AT THE GENERAL assembly in April, Swedvac, the Swedish Society of HVAC Engineers, elected Östen Innala to succeed Göran Robertsson as President for the society. Östen Innala has been a member of the Swedvac board and has been engaged in Swedvac activities for many years. He presently serves as president of the engineering company Energo Retea. <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=9">Scanvac Sida 9 SCANVAC 1/2008 FUTURE CITY 2007/200</a> 8 THIS YEAR THE Swedish Future City-competition had its grand ﬁnale at the Nordbygg Expo in Stockholm in the beginning of April. It was the ﬁfth time Future City was arranged in Sweden, and winners were Degeberga school. Södra Skolan from Katrineholm won second prize and third prize went to Fridaskolan from Vänersborg. PROFESSOR EMERITUS ENNO ABEL, from Chalmers university, Sweden, was honored with “Rehva Professional Award” - the most prestigious award given by Rehva, Federation of European HVAC Societies. Professor Abel received the award at the Rehva General Assembly in Berlin in April. Rehva Professional Award is given for outstanding achievements in science, technology, design practice or education within one of the ﬁelds within the competence of Rehva activities (over an extended period of time). ENNO ABEL RECEIVES REHVA PROFESSIONAL AWARD SWEDVAC PRIZE IT WAS STUDENTS from Chalmers university that won both prizes when Swedvac presented the winners of the annual Swedvac Prize for outstanding diploma theses and academic theses at the Swedvac General Assembly in Stockholm, April 24th . The Grand Swedvac Prize was given to Katarina Heikkilä for her doctoral thesis “Environmental Assessment of Air-conditioning Systems”. The smaller prize was given to Karl Andersson och Tommy Chiaussa for their diploma thesis on life cycle cost analysis of small residential buildings. Degeberga school won ﬁrst prize at the ﬁfth ﬁnale of Future City in Sweden PHOTO : SÖREN AN DERSSON Professor Enno Abel. Awards <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=10">Scanvac Sida 10 SCANVAC 2 /2007 SCANVAC 2/2002 Lat</a> via LATVAC The Latvian Society of HVAC Engineers President: Egils Dzelzitis SGUTIS/AHGWTEL, Vagonu ula 20, LV-1009 Riga, Latvia Tel: +371 7 50 66 50 Fax: +371 9 20 55 85 E-mail: egils.dz@latipa.apollo.lv Lithuania LITVAC The Lithuanian Society of HVAC Engineers President: Stasys Sinkunas LITES-Lithuanian, Thermotechnical Engineering Society Donelaicio st. 20-227, LT-3000 Kaunas Tel: +370 7 300 436 Fax: +370 7 321 449 E-mail: lites@mf.ktu.lt Norway NORVAC The Norwegian Society of HVAC Engineers Founded in 1924 Number of Members 3500 President: Leif Sverre Boland Kjølberggata 31, inng. Brinken, P.O.B 2843, Tøyen, N-0608 Oslo, Norway Tel: +47 22 70 83 00 Fax: +47 22 70 83 02 E-mail: vvs@vvs-foreningen.no www.vvs-foreningen.no Sweden SWEDVAC The Swedish Society of HVAC Engineers Founded in 1909 Number of Members 7100 President: Östen Innala Vasagatan 52, SE-111 20 Stockholm, Sweden Tel: +46 8 791 66 80 Fax: +46 8 660 39 44 E-mail: info@siki.se www.siki.se Denmark DANVAK The Danish Society of HVAC Engineers Founded in 1945 Number of Members 2500 President: Jørn Simonsen Lautrupvang 1B, DK 2750 Ballerup, Denmark Tel: +45 36 36 90 60 Fax: +45 36 70 20 71 E-mail: info@danvak.dk www.danvak.dk Finland FINVAC The Finnish Society of HVAC Engineers Founded in 1930 Number of Members 6000 President: Olli Seppänen Sitratori 5, FIN-00420 Helsinki Tel: +358 9 56 60 090 Fax: +358 9 56 60 0956 E-mail: sulvi@suomenlvi-liitto.fi www.finvac.org Iceland ICEVAC The Icelandic Society of HVAC Engineers Founded in 1986 Number of Members 400 President: Björn Karlsson Ystibær 11, IS-110 Reykjavik, Iceland Tel: +354 587 06 60 Fax: +354 587 41 62 E-mail: lafi@simnet.is www.lafi.is Estonia ESTVAC The Estonian Society of HVAC Engineers,EKVü Founded in 1991 Number of members 130 President: Teet Tark Rävala pst. 8-B211, 101 43 Talinn, Estonia Tel: +372 6604 524 E-mail: ekvy@hot.ee www.hot.ee/ekvy BALTVAC HVAC Calendar SCANVAC Scandinavia l Indoor Air 2008 - 11th International Conference on Indoor Air Quality and Climate. Copenhagen, Denmark, 17-22 August 2008. More info: www.indoorair2008.org l FinnBuild 2008. Helsinki, Finland, September 24-27 2008. More info: www.ﬁnnexpo.ﬁ/ﬁnnbuild/ ?code_language=en l Cold Climate HVAC. Sisimut, Green- land, 16-19 March 2009. More info: www.danvak.dk l Effstock 2009 – Energy Efﬁciency and Sustainability through Energy Storage - 11th International Conference on Ther- mal Energy Storage. Stockholm, Sweden, 14-17 June 2009. More info: www.effstock2009.com World l 39th International Congress on hea- ting, refrigerating and air conditioning. Belgrad, Serbia, 3-5 December 2008. More info ofﬁce@kgh-kongres.org l ISH Messe Frankfurt 2009. Frankfurt am Main, Germany, 10-14 March 2009. More info: www.ish-messe-frankfurt.com l Roomvent 2009. Busan, Korea, May 24-27 2009. More info: www.roomvent2009.org l Clima 2010. Antalya, Turkey, May 2010. Main, Germany, 10-14 March 2009. More info: www.ish-messe-frankfurt.com Next stop for material Deadline 1 november <a href="/v5/viewer/files/Default_s.aspx?gKey=d0s6fxb9&gInitPage=11">Scanvac Sida 11 SCANVAC 2/2002 Latvia LATVAC The L</a> atvian Society of HVAC Engineers President: Egils Dzelzitis SGUTIS/AHGWTEL, Vagonu ula 20, LV-1009 Riga, Latvia Tel: +371 7 50 66 50 Fax: +371 9 20 55 85 E-mail: egils.dz@latipa.apollo.lv Lithuania LITVAC The Lithuanian Society of HVAC Engineers President: Stasys Sinkunas LITES-Lithuanian, Thermotechnical Engineering Society Donelaicio st. 20-227, LT-3000 Kaunas Tel: +370 7 300 436 Fax: +370 7 321 449 E-mail: lites@mf.ktu.lt Norway NORVAC The Norwegian Society of HVAC Engineers Founded in 1924 Number of Members 3500 President: Leif Sverre Boland Kjølberggata 31, inng. Brinken, P.O.B 2843, Tøyen, N-0608 Oslo, Norway Tel: +47 22 70 83 00 Fax: +47 22 70 83 02 E-mail: vvs@vvs-foreningen.no www.vvs-foreningen.no Sweden SWEDVAC The Swedish Society of HVAC Engineers Founded in 1909 Number of Members 7100 President: Östen Innala Vasagatan 52, SE-111 20 Stockholm, Sweden Tel: +46 8 791 66 80 Fax: +46 8 660 39 44 E-mail: info@siki.se www.siki.se Denmark DANVAK The Danish Society of HVAC Engineers Founded in 1945 Number of Members 2500 President: Jørn Simonsen Lautrupvang 1B, DK 2750 Ballerup, Denmark Tel: +45 36 36 90 60 Fax: +45 36 70 20 71 E-mail: info@danvak.dk www.danvak.dk Finland FINVAC The Finnish Society of HVAC Engineers Founded in 1930 Number of Members 6000 President: Olli Seppänen Sitratori 5, FIN-00420 Helsinki Tel: +358 9 56 60 090 Fax: +358 9 56 60 0956 E-mail: sulvi@suomenlvi-liitto.fi www.finvac.org Iceland ICEVAC The Icelandic Society of HVAC Engineers Founded in 1986 Number of Members 400 President: Björn Karlsson Ystibær 11, IS-110 Reykjavik, Iceland Tel: +354 587 06 60 Fax: +354 587 41 62 E-mail: lafi@simnet.is www.lafi.is Estonia ESTVAC The Estonian Society of HVAC Engineers,EKVü Founded in 1991 Number of members 130 President: Teet Tark Rävala pst. 8-B211, 101 43 Talinn, Estonia Tel: +372 6604 524 E-mail: ekvy@hot.ee www.hot.ee/ekvy BALTVAC HVAC Calendar SCANVAC Scandinavia l Indoor Air 2008 - 11th International Conference on Indoor Air Quality and Climate. Copenhagen, Denmark, 17-22 August 2008. More info: www.indoorair2008.org l FinnBuild 2008. Helsinki, Finland, September 24-27 2008. More info: www.ﬁnnexpo.ﬁ/ﬁnnbuild/ ?code_language=en l Cold Climate HVAC. Sisimut, Green- land, 16-19 March 2009. More info: www.danvak.dk l Effstock 2009 – Energy Efﬁciency and Sustainability through Energy Storage - 11th International Conference on Ther- mal Energy Storage. Stockholm, Sweden, 14-17 June 2009. More info: www.effstock2009.com World l 39th International Congress on hea- ting, refrigerating and air conditioning. Belgrad, Serbia, 3-5 December 2008. More info ofﬁce@kgh-kongres.org l ISH Messe Frankfurt 2009. Frankfurt am Main, Germany, 10-14 March 2009. More info: www.ish-messe-frankfurt.com l Roomvent 2009. Busan, Korea, May 24-27 2009. More info: www.roomvent2009.org l Clima 2010. Antalya, Turkey, May 2010. Main, Germany, 10-14 March 2009. More info: www.ish-messe-frankfurt.com Next stop for material Deadline 1 november