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Weatherization impacts and baseline indoor environmental quality in low income single-family homes

机译：低收入单户家庭的天气影响和室内基准环境质量

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摘要

Understanding the impact of energy efficiency measures on Indoor Environmental Quality (IEQ) is important to building science and public health. Data were collected at three North Carolina locations for CO2, CO, NO2, temperature, RH, formaldehyde, radon, PM2.5, PM10, particle counts, household characteristics, and weather in 69 homes, before (PRE) and after (POST) weatherization, and in 13 control homes. Comparison of IEQ data to indoor and ambient air guidelines showed the number of homes with acceptable IEQ was the same or greater after weatherization for all parameters except temperature, and PM in smoking homes. POST compliance was over 90% for CO2, CO, Radon, and NO2 in all homes, and RH and PM in non-smoking homes. Overall POST compliance for formaldehyde was 75%, and in smoking homes 6%, 24%, and 78% for PM2.5, PM10, and RH, respectively. Wilcoxon test results, at significance level <0.05, showed decreased POST levels for radon in heating season homes, RH in heating season homes without pets, 1.0 mu m and 2.5 mu m particles in homes without pets, and increased levels of formaldehyde in cooling season homes without pets, particles >1.0 mu m and PM10 in heating season homes with pets, and 10 mu m particles in cooling season homes. Chi-Square analysis identified relationships between season and CO, NO2, and formaldehyde. Positive correlations were identified for pets and particles >1.0 mu m, smokers and 0.3 mu m and 0.5 mu m particles, heating season and increasing formaldehyde, and negative correlation for CO2 and ventilation. (C) 2016 Elsevier Ltd. All rights reserved.
机译：了解能效措施对室内环境质量（IEQ）的影响对于建设科学和公共卫生至关重要。在北卡罗来纳州的三个地点收集了有关二氧化碳，一氧化碳，二氧化氮，温度，相对湿度，甲醛，ra，PM2.5，PM10，颗粒计数，家庭特征和天气的数据，这些数据来自69个家庭，之前（PRE）和之后（POST）天气化，并在13个控制房屋中。 IEQ数据与室内和周围空气准则的比较表明，除温度和吸烟房中的PM以外，所有参数在风化后具有可接受IEQ的房屋数量相同或更多。所有房屋中的二氧化碳，一氧化碳，Rad和NO2以及非吸烟房屋中的RH和PM的POST遵守率均超过90％。甲醛的总体POST依从性为75％，而吸烟家庭中的PM2.5，PM10和RH分别为6％，24％和78％。 Wilcoxon测试结果的显着性水平为<0.05，表明供暖季节房屋中ra的POST含量降低，不带宠物的暖气季节房屋中的RH，不带宠物的房屋湿度为1.0μm和2.5μm，并且在冷却季节中甲醛水平升高没有宠物的房屋，供暖季节有宠物的房屋中颗粒物> 1.0微米和PM10，在凉爽季节的房屋中有10微米颗粒物。卡方分析确定了季节与CO，NO2和甲醛之间的关系。宠物和大于1.0微米的颗粒，吸烟者以及0.3微米和0.5微米的颗粒，加热季节和甲醛增加之间存在正相关，而与CO2和通风之间呈负相关。 （C）2016 Elsevier Ltd.保留所有权利。

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