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Cooling energy measurements of single-family houses with attics containing radiant barriers in combination with R-11 and R-30 ceiling insulation

Technical Report ·
OSTI ID:6171133
;
Oak Ridge National Laboratory continued the testing of radiant barriers in three unoccupied houses near Knoxville, Tennessee, under the joint sponsorship of the Department of Energy and the Tennessee Valley Authority. The prime goal of the work was to determine the effect of the interaction of radiant barriers with different levels of attic insulation on house cooling loads. Both horizontal and truss installations of radiant barriers were used along with R-11 and R-30 fiberglass-batt attic insulation. Previous work had been done at Karns using both types of barriers with R-19. The results of the testing showed that horizontal barriers are more effective than truss barriers. A horizontal radiant barrier in combination with R-11 attic insulation saved 16% compared with R-11 and no barrier. The cooling load reductions with R-30 and a barrier were minimal (2%) compared with R-30 and no barrier. The best performing system was a combination of a horizontal barrier and R-19, which was estimated to reduce the house cooling load by 25.1% when compared with R-11 and no barrier. Differing climates, house styles, configurations and occupancy effects are capable of altering these results.
Research Organization:
Oak Ridge National Lab., TN (USA)
DOE Contract Number:
AC05-84OR21400
OSTI ID:
6171133
Report Number(s):
ORNL/CON-226; ON: DE87012758
Country of Publication:
United States
Language:
English

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Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320105 -- Energy Conservation
Consumption
& Utilization-- Building Services-- (1987-)
320107* -- Energy Conservation
Consumption
& Utilization-- Building Systems-- (1987-)
ATTICS
BUILDINGS
CEILINGS
COOLING LOAD
ENERGY CONSUMPTION
FEDERAL REGION IV
HOUSES
NATIONAL ORGANIZATIONS
NORTH AMERICA
ORNL
R FACTORS
RESIDENTIAL BUILDINGS
TENNESSEE
THERMAL INSULATION
US AEC
US DOE
US ERDA
US ORGANIZATIONS
USA