2 edition of Effect of Reduced Ventilation on Indoor Air Quality and Energy Use in Schools found in the catalog.
Effect of Reduced Ventilation on Indoor Air Quality and Energy Use in Schools
James V. Berk
by Lawrence Berkeley Laboratory
Written in English
To be presented at the International Conference on Energy Use Manageme nt, Los Angeles, CA, October 22-26, 1979.
|Contributions||Hollowell, Craig D., Lin, C.|
|The Physical Object|
|Pagination||8 p. $0.00 C.1.|
adequate outdoor ventilation, control of moisture, and avoidance of indoor exposures to microbiologic and chemical substances considered likely to have adverse effects. The current ventilation standards and guidelines ,  recommend a minimum fresh air supply rate of 8 litres/s per person for occupants in all teaching Size: KB. Two of the very common energy efficiency retrofit measures for homes with a potential to affect indoor environmental quality are envelope tightening to reduce outdoor air ventilation and addition of thermal insulation to the building envelope.
This study provides a risk assessment for chronic health risks from inhalation exposure to indoor air pollutants in offices and schools with a focus how ventilation impacts exposures to, and risks from, volatile organic compounds (VOCs) and particulate matter (PM). Indoor air is two to five times and may be times more polluted than outdoor air1 RENEWAIRE VENTILATION SOLUTIONS IMPROVE HEALTH AND WELLNESS 6 3 5 1 3 4 1 2 6 4 7 As new buildings get tighter to seal weather out, they seal in contaminants, causing deficient indoor air quality (IAQ), which impacts health and cognitive function.
High-performance homes require that ventilation energy demands and indoor air quality (IAQ) be simultaneously optimized. Researchers have primarily addressed these two areas independently because of the assumption that their goals have to be mutually exclusive. This. One way of reducing building energy consumption is to design buildings that are more economical in their use of energy for heating, lighting, cooling, ventilation, and hot water supply. Passive measures, particularly natural or hybrid ventilation rather than air conditioning, can dramatically reduce primary energy by:
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THE EFFECT OF REDUCED VENTILATION ON INDOOR AIR QUALITY AND ENERGY USE IN SCHOOLS. Author(s): Berk, J.V. et al. Main Content Metrics Author & Article Info. Main Content. Download PDF to View View Larger. Thumbnails Document Outline Attachments.
Previous. Next. Highlight all Match case. Whole by: 1. Most of the school buildings in Italy are high energy-demanding buildings with no ad-hoc ventilation systems (i.e., naturally-ventilated buildings). Therefore, reducing the heat losses of schools represent the main aspect to be dealt with.
Nonetheless, the indoor air quality of the building should be simultaneously considered. Indeed, to date, energy consumptions and air quality are considered Cited by: 4.
The Ventilation Problem in Schools: Literature Review effects of decreasing ventilation on air quality and energy use [5, 6]. Standards for school the cooling coil is placed in the mixture of outdoor air and recirculated indoor air.
Even with low ventilation rates, indoor humidity is often elevated in high humidity climates but this problem. Indoor Air; ;  Boestra A, van Dijken F. Indoor environment and energy efficiency of schools, REHVA Journal; ; 47, No. 5, p. (ISSN ).  Awbi HB.
The future of indoor air quality in UK homes and its impact on health,British Electricotechnical and Allied Manufacturers Association (BEAMA), UK; Cited by: A table of outdoor air quantities in schools as recommended by ASHRAE Standard"Ventilation for Acceptable Indoor Air Quality," is shown below.
Please note that this is a limited portion of the Standard, and that the quantities listed are in units of cfm per person, which are cubic feet per minute of outdoor air for each person in the. This study copes with the problem of ventilation in existing educational environments in terms of indoor air quality (AIQ), comfort and energy consumption.
In accordance with international regulations, densely occupied environments such as school classrooms need high air change rates in order to provide sufficient fresh by: 8. A good indoor climate with generous daylight levels and provision of fresh air from outside is key to making homes, offices, kindergartens and schools healthy places to live and work in.
This book is written to allow anyone working with building research and design to find facts and insights on the effects of windows in buildings and their. The requirements for good indoor air quality and energy efficiency have often been considered to be in conflict with each other.
However, buildings with low energy consumption in Europe also seem Author: Olli Seppanen. Because indoor air quality is inversely propor- tional to the average contaminant concentra- tion, we shall use the inverse of the average inverse ventilation rate as a measure of the indoor air quality resulting from different ventilation by: indoor air quality.
Ventilation air transfers efficiently the indoor pollutants from a building. If ventilation rates are reduced, energy is saved but at the same time indoor air quality deteriorates.
Seppänen and Fisk () and Fisk and Seppänen () summarise the effect of ven-tilation in respect of health and productivity • higher. indoor air pollution may reduce productivity, either in addition to or instead of having negative effects on comfort and health.
These experiments form a well-defined body of work that demonstrates a reliable effect of indoor air quality on the performance of office tasks, and the main purpose of this paper is to provide a summary of theseFile Size: 50KB.
The present work aimed to evaluate the effect of the manual airing strategy on indoor air quality in Italian classrooms. For this aim, schools located in the Central Italy were investigated.
Indoor air quality was studied in terms of CO2, particle number and PM concentrations and compared to corresponding outdoor by: Sometimes, increased ventilation can save energy, when conditions enable use of cool outdoor air to reduce the need for air conditioning.
In schools without air conditioning, ventilation is commonly employed during periods of warm weather to limit indoor temperatures. Reduced HVAC loads Because less energy is used in the ventilation process, the loads that HVAC systems use to power heating and cooling can be drastically reduced, resulting in even further reductions in HVAC energy use and costs, as well as capital equipment downsizing.
The aim of this study is to develop internal ventilation by transferred air to achieve a good indoor climate with low energy consumption in educational buildings with constant air volume ventilation.
indoor air quality; other high performance features; Increased Average Daily Attendance (ADA). A high performance school provides superior indoor air quality by controlling sources of contaminants, providing adequate ventilation and preventing moisture accumulation.
These tactics are designed to: reduce sources of health problems. Although a number of individual studies of indoor air quality, ventilation, and health symptoms in schools exist, a comprehensive examination of the existing research has not been compiled.
We reviewed the existing published literature on indoor air quality (IAQ), ventilation, and IAQ- and building-related health problems in Size: KB. Using a multilevel approach, we estimated the effects of classroom ventilation rate and temperature on academic achievement.
The analysis is based on measurement data from a 70 elementary school district ( fifth grade classrooms) from Southwestern United States, and student level data (N = ) on socioeconomic variables and standardized test by: Across the United States, a minimum of 15 cfm of fresh air per student is required for classroom ventilation.
That is the amount set forth in ANSI/ASHRAE StandardVentilation for Acceptable Indoor Air Quality (IAQ), and it is the minimum amount the U.S. Green Building Council (USGBC) will recognize through its LEED green-building certification program. Good indoor air quality in schools is important to provide a safe, healthy, productive, and comfortable environment for students, teachers, and other school staff.
However, existing studies demonstrated that various air pollutants are found in classrooms, sometimes at elevated concentrations. Data also indicated that poor air quality may impact children's health, in particular respiratory Cited by:.
Classroom ventilation rates often do not meet building standards, although it is considered to be important to improve indoor air quality.
Poor indoor air quality is thought to influence both children’s health and performance. Poor ventilation in The Netherlands most often occurs in the heating season. To improve classroom ventilation a tailor made mechanical ventilation device was Cited by: The environmental community elevated reduced energy use to an environmental issue while relegating indoor air quality, including recirculated air necessary to achieve those energy goals, to an unimportant externality.
Such may have been well and good when the associated cost savings of reduced energy use could drive green building for many owners.Mechanical ventilation requires filters to be changed regularly.
Dirty filters are a source of pollution of the indoor air and reduce indoor air quality, which, in turn, reduces the performance of the occupants of the building and increases the prevalence of SBS symptoms (Wargocki et al., ; Bekö, ).