Modeled and metered energy savings from exterior wall insulation

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Millions of single-family masonry (block) houses with slab foundations exist in the southern United States. In fact, approximately 50% of Florida`s six million residences are of concrete block construction. The block walls in these homes are usually uninsulated, and the technology for retrofitting wall insulation is not well developed. Two field tests were performed--one near Phoenix, Arizona and one in Cocoa, Florida--to measure the air-conditioning energy savings and demand reduction impact of applying an exterior insulation and finish system (EEFS) to the exterior of the block wall, and gain practical experience with retrofit application techniques and costs. One field test ... continued below

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25 p.

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Ternes, M.; Parker, D.; McLain, H. & Barkaszi, S. Jr. September 1, 1996.

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This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 12 times . More information about this article can be viewed below.

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Description

Millions of single-family masonry (block) houses with slab foundations exist in the southern United States. In fact, approximately 50% of Florida`s six million residences are of concrete block construction. The block walls in these homes are usually uninsulated, and the technology for retrofitting wall insulation is not well developed. Two field tests were performed--one near Phoenix, Arizona and one in Cocoa, Florida--to measure the air-conditioning energy savings and demand reduction impact of applying an exterior insulation and finish system (EEFS) to the exterior of the block wall, and gain practical experience with retrofit application techniques and costs. One field test used a {open_quotes}site-fabricated{close_quotes} insulation system, while the other field test used a commercially available system. The field tests measured a savings of 9% in Arizona and less savings in Florida, and emphasized the impact indoor temperature settings have on cooling energy savings: exterior wall insulation on block homes will produce energy savings in Florida houses only if a low cooling thermostat setting is desirable. The field tests also highlighted an improved comfort benefit from the retrofit - namely, elimination of overheating in rooms with south and west exposures. The DOE-2. ID program was used to analyze the energy savings (air-conditioning and heating) and electric demand impact of applying an EIFS. Air-conditioning energy savings were estimated to be in the range of 8% to 10% in many southern U.S. regions. A 12% savings was predicted for Phoenix, Arizona and a savings of 1% to 4% was predicted for seacoast regions, particularly in Florida. These predictions were in good agreement with the measured values. Peak hour cooling energy savings were predicted to be more uniform throughout the country, generally in the range of %8 to %12.

Physical Description

25 p.

Notes

OSTI as DE96013795

Source

  • 1996 American Council for an Energy-Efficieny Economy (ACEEE) summer study on energy efficiency in buildings, Pacific Grove, CA (United States), 25-31 Aug 1996

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  • Other: DE96013795
  • Report No.: CONF-9608106--3
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 279699
  • Archival Resource Key: ark:/67531/metadc672316

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  • September 1, 1996

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  • June 29, 2015, 9:42 p.m.

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  • Jan. 22, 2016, 12:13 p.m.

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Ternes, M.; Parker, D.; McLain, H. & Barkaszi, S. Jr. Modeled and metered energy savings from exterior wall insulation, article, September 1, 1996; Tennessee. (digital.library.unt.edu/ark:/67531/metadc672316/: accessed August 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.