indoor air Articles

  • The influence of possible definitions of a reference environment to determine the exergy of air in buildings

    This paper critically analyses the influence of possible definitions of the standard state of air to determine the exergy of air in buildings. Three different contributions are considered related to differences in temperature, pressure, and humidity of air inside and outside the building envelope. The possibility to calculate the exergy of air in buildings, based on only one or two of these ...


    By Inderscience Publishers

  • Know the Air You’re Breathing

    How concerned are you about your health? Have you ever tried to lose weight, eat healthy, and be active in order to prevent or eliminate any health risks? If so, you’ve left out one critical factor, AIR. Yes, you read it right; it’s the air that you breathe. All these factors contribute to your health and wellbeing. In order to be healthy, you need take control to eliminate or ...

  • Indoor Air Quality and Gases

    Potentially hazardous gases is a critical issue in the workplace. Wireless technology provides means of monitoring and measuring toxic levels before health is at risk.   ...


    By PPM Technology

  • Prevalence of plastic additives in indoor air related to newly diagnosed asthma

    This paper presents a correlation between the certain plastic additives and newly diagnosed asthma. We studied this association by measuring the plastic additives in the indoor air of the homes of presenting patients at the Skin and Allergy hospitals, including old and new, clinically diagnosed cases of asthma and controls. A total of 465 people filled in a questionnaire that probed, for example, ...


    By SAGE Publications Ltd

  • Indoor Air Analysis - Zigbee

    PPM Technolgy"s new IAQ profile monitor featured as part of the Telegesis ZigBee case ...


    By PPM Technology

  • Inadequate housing and health: an overview

    For many years, the housing environment has been acknowledged as one of the main settings that affect human health. Living and housing conditions are the basis of many factors influencing residential health. Still, to date there is no commonly agreed upon definition of 'healthy housing', and there are still major gaps in the knowledge on how housing conditions may affect health. Epidemiological ...


    By Inderscience Publishers

  • What is Indoor Air Quality and How Can You Improve It?

    For the longest time, air quality was meant to refer to the quality of air circulating outdoors. However, indoor air or the air found inside and around homes and office buildings is just as important to pay attention to. Improving indoor air quality should be a priority for everyone.  What is Indoor Air Quality? Indoor air quality is the quality of air found circulating ...


    By Filter Buy

  • Most Common Indoor Air Pollutants

    Is the indoor air you breathe healthy? According to the World Health Organization, 40% of all buildings pose a serious health hazard due to indoor air pollution. The EPA calls indoor air pollution the #1 pollution problem in America. What Are The Most Common Indoor Air Pollutants? While there are a number of factors that can create air quality problems in a building, here are ...

  • Indoor air quality in primary schools

    The indoor air quality (IAQ) in classrooms is expected to play a key role in the assessment of the effects of the children's personal exposure to air pollution since they spend on average 7–11 h per weekday at school. A statistical treatment was conducted over a database of indoor air parameters and the primary schools where these parameters were sampled (urban area of Lisbon, Portugal). The aim ...


    By Inderscience Publishers

  • Chick-A-Fil-A - Fort Worth, Texas - Case Study

    The owner of the former manufacturing site and the engineer understood the value of having a barrier with superior vapor resistance and a long standing track record to protect the indoor air quality of the ...


    By CETCO

  • 10 Commandments of Indoor Air Quality (IAQ)

    Indoor Air Quality (IAQ) relates to a number of environmental factors inside a building that can impinge on the health, comfort, or work performance of the building’s occupants. Monitoring IAQ is vital because it is estimated that the average person spends 90% of their time breathing “indoor air”.    PPM Technology and our partners Hinds International have ...


    By PPM Technology

  • Why monitor Indoor Air Quality (IAQ)?

    Indoor Air Quality (IAQ) relates to a number of environmental factors inside a building that can impinge on the health, comfort, or work performance of the building’s occupants. Monitoring IAQ is vital because it is estimated that the average person spends 90% of their time breathing “indoor air”. In order to accurately understand a building’s indoor air quality, it is ...


    By PPM Technology

  • Thermal comfort, indoor air quality and acoustics: a conceptual framework for predicting occupant satisfaction in sustainable office buildings

    The authors propose and test a conceptual framework that delineates occupants' satisfaction with thermal comfort, indoor air quality, and acoustics conditions via post-occupancy evaluation (POE). A self-administered, internet-based, POE questionnaire was administered in two office buildings that were designed and operated as county service centres in a Midwestern state. A series of multiple ...


    By Inderscience Publishers

  • Taiwan Indoor Air Quality Management Act

    On 8 November 2011, the Taiwanese Legislative Yuan passed the Indoor Air Quality Management Act making Taiwan the second nation after Korea to implement an indoor air quality management act. For accurate understanding of indoor air quality, it is advised to simultaneously monitor multiple indoor air quality parameters including gases, temperature and humidity. PPM Technology’s range of IAQ ...


    By PPM Technology

  • Does Innovation in Indoor Air Quality Involve a Paradigm Shift?

    Instead of diluting indoor air with compromised outside air, consider removal and destruction of pollutants as part of the HVAC system. Purifying indoor air reduces the level of ventilation required, thereby lessening the energy used to condition outside air. This results in energy savings, increased building value and improved occupant productivity through enhanced indoor air ...


    By ProMark Associates, Inc.

  • Differential impacts of smoke-free laws on indoor air quality

    The authors assessed the impacts of two different smoke-free laws on indoor air quality. They compared the indoor air quality of 10 hospitality venues in Lexington and Louisville, Kentucky, before and after the smoke-free laws went into effect. Real-time measurements of particulate matter with aerodynamic diameter of 2.5 µm or smaller (PM2.5) were made. One Lexington establishment was excluded ...

  • Proactive Indoor Air Quality Surveys Save Budgets

    As facility budgets tighten, managers are realizing the many benefits that money spent for proactive indoor air quality is a smart investment. Here is a simple comparison to exemplify the point. Indoor air quality investigations conducted in response to employee complaint or illness clusters cost $3.00 to $10.00 per square foot of space investigated compared to 2 to 10 cents per square foot for a ...

  • Indoor air pollution: types of cooking fuel used and its impact on the health of women in Aligarh city

    Available findings have indicated that indoor air is more polluted than outdoor air and major polluting activity has been attributed to household cooking with traditional fuels. Cooking with traditional fuels leads to high levels of indoor air pollution (IAP), exposure of which increases the risk of various health problems. The purpose of this study is to estimate various diseases attributable to ...


    By Inderscience Publishers

  • Study of the indoor air quality in hospitals in South Chennai, India — microbial profile

    A 3-month pilot study (February—April 2006) was conducted to determine the quality of indoor air in hospitals in the Tamil Nadu region of India and to characterize the predominant aerobic bacteria and fungi present. The main objectives were (1) to sample the indoor air of three different hospitals in Chennai for bioaerosols to generate baseline data using the Petri plate gravitational settling ...


    By SAGE Publications Ltd

  • uHoo - Your First Step to Clean Air

    They say your home is where the heart is. Just like the heart, the home needs a tracker to know whether it is healthy or not. The uHoo indoor air quality sensor acts like a fitness tracker for your home’s indoor air quality. It measures nine parameters – making it – making it the most advanced indoor air quality sensor – that ...


    By uHoo Limited

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