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dc.contributor.authorSinger, Brett C.
dc.contributor.authorChan, Wanyu R.
dc.contributor.authorKim, Yang-Seon
dc.contributor.authorOffermann, Francis J.
dc.contributor.authorWalker, Iain S.
dc.date.accessioned2020-06-03T16:23:52Z
dc.date.available2020-06-03T16:23:52Z
dc.date.issued2020-04-18
dc.identifier.citationSinger, BC, Chan, WR, Kim, Y‐S, Offermann, FJ, Walker, IS. Indoor air quality in California homes with code‐required mechanical ventilation. Indoor Air. 2020; 00: 1– 15en_US
dc.identifier.issn0905-6947
dc.identifier.urihttps://doi.org/10.1111/ina.12676
dc.identifier.urihttps://soar.wichita.edu/handle/10057/17680
dc.descriptionClick on the DOI link to access the article (may not be free).en_US
dc.description.abstractData were collected in 70 detached houses built in 2011-2017 in compliance with the mechanical ventilation requirements of California's building energy efficiency standards. Each home was monitored for a 1-week period with windows closed and the central mechanical ventilation system operating. Pollutant measurements included time-resolved fine particulate matter (PM2.5) indoors and outdoors and formaldehyde and carbon dioxide (CO2) indoors. Time-integrated measurements were made for formaldehyde, NO2, and nitrogen oxides (NOX) indoors and outdoors. Operation of the cooktop, range hood, and other exhaust fans was continuously recorded during the monitoring period. Onetime diagnostic measurements included mechanical airflows and envelope and duct system air leakage. All homes met or were very close to meeting the ventilation requirements. On average, the dwelling unit ventilation fan moved 50% more airflow than the minimum requirement. Pollutant concentrations were similar to or lower than those reported in a 2006-2007 study of California new homes built in 2002-2005. Mean and median indoor concentrations were lower by 44% and 38% for formaldehyde and 44% and 54% for PM2.5. Ventilation fans were operating in only 26% of homes when first visited, and the control switches in many homes did not have informative labels as required by building standards.en_US
dc.description.sponsorshipCalifornia Energy Commission through Contract PIR‐14‐007 and the US Department of Energy Building America Program via Contract DE‐AC02‐05CH11231. The Southern California Gas Company (SoCalGas) provided direct funding to the Gas Technology Institute (GTI) and staff resources to support an online survey and field data collection. The Pacific Gas & Electric Company (PG&E) funded Misti Bruceri & Associates (MBA) to provide a field technician. SoCalGas and PG&E deployed Gas Service Technicians to conduct appliance safety inspections in study homes.en_US
dc.language.isoen_USen_US
dc.publisherBlackwell Munksgaarden_US
dc.relation.ispartofseriesIndoor Air;2020
dc.subjectASHRAE 62.2en_US
dc.subjectCarbon dioxideen_US
dc.subjectFine particulate matteren_US
dc.subjectFormaldehydeen_US
dc.subjectHealthy Efficient New Gas Home Studyen_US
dc.subjectNitrogen dioxideen_US
dc.titleIndoor air quality in California homes with code-required mechanical ventilationen_US
dc.typeArticleen_US
dc.rights.holder© 2020 John Wiley & Sonsen_US


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