According to usgovinfo, a recent report from the Government Accountability Office (GAO) says the air quality in manufactured housing may be compromised by carbon monoxide entering the homes. GAO says the problem stems from fresh air intake and exhaust vents constructed too close together, which could allow CO2 and other contaminants to enter the home, given unique wind patterns. Separating the vents with more distance allows for more dilution of the contaminants even if they do come in. The agency says HUD’s ventilation systems for manufactured homes has not been updated since 2005, and does not reflect standards used by the home building industry. MHProNews has learned the GAO recommends HUD require tests to validate the performance of ventilation systems.

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