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Residential Ventilation Effectiveness Field Study - Final Report

Created 1/21/2015 by Charlie Stephens
Updated 1/21/2015 by Charlie Stephens
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This report presents the findings and conclusions of a 2013 study that investigated the effectiveness of ventilation systems in homes with low levels of air leakage. A total of 29 homes with five different types of ventilation systems in two different climate zones were included in the study. Exhaust ventilation (exhaust only and exhaust with inlet vents) and heat recovery or energy recovery ventilation systems made up the largest share of the systems studied. Data was collected in long-term and short-term field experiments using a standard set of test conditions (ventilation systems on or off, bedroom doors open or closed). Monitoring also included normal periods when no experiments were being conducted and occupants were free to operate ventilation systems and doors as they liked.

Data collected included CO2, temperature and humidity measurements in the main living area and two occupied bedrooms; bedroom door closure status; ventilation system status and power consumption; a journal maintained by the occupants; ventilation system conditions as found and as operated for the study; and house characteristics (automated multi-point blower door tests, exhaust fan flows, house pressure mapping, and physical measurements and layouts).
Posted By: Charlie Stephens 01/21/15 on 03:40 PM (Pacific Time)
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Sector: Residential
Function: Evaluation
Resources: Reports, Research


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Energy Codes and Standards, PCC Energy Efficiency Core Team

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