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A Field Study Comparison of the Energy and Moisture Performance Characteristics of Ventilated Versus Sealed Crawl Spaces in the South
doi: 10.2172/850459
This study compared the performance of closed crawl spaces, which had sealed foundation wall vents, a sealed polyethylene film liner and various insulation and drying strategies, to traditional wall-vented crawl spaces with perimeter wall vents and polyethylene film covering 100% of the ground surface. The study was conducted at 12 owner-occupied, all electric, single-family detached houses with the same floor plan located on one cul-de-sac in the southeastern United States. Using the matched pairs approach, the houses were divided into three study groups of four houses each. Comparative data was recorded for each house to evaluate sub-metered heat pump energy consumption, relative humidity, wood moisture content, duct infiltration, house infiltration, temperature, radon, and bioaerosol levels. Findings indicated that in the humid conditions of the southeastern United States, a properly closed crawl space is a robust construction measure that produces a substantially drier crawl space and significantly reduces occupied space conditioning energy use on an annual basis.
- University of North Texas United States
- University of Waterloo Canada
- University of North Texas United States
- University of Illinois System United States
Floors, Consumption, Heat Pumps, Performance, Humidity, Energy Consumption, Ducts, Wood, 09 Biomass Fuels, Radon, And Utilization, Polyethylenes, Liners, 32 Energy Conservation, Moisture, Drying, Construction
Floors, Consumption, Heat Pumps, Performance, Humidity, Energy Consumption, Ducts, Wood, 09 Biomass Fuels, Radon, And Utilization, Polyethylenes, Liners, 32 Energy Conservation, Moisture, Drying, Construction
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).4 popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.Average influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).Top 10% impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.Average
