Monitoring and evaluation of foundation insulation retrofits in single family detached houses in St. Paul and Minneapolis, Minnesota
Technical Report
·
OSTI ID:5745224
- Robinson Technical Services, St. Paul, MN (USA)
- Nelson (Gary) and Associates, Minneapolis, MN (USA)
- Center for Energy and the Urban Environment, Minneapolis, MN (USA)
- Natural Resources Corp., Minneapolis, MN (USA)
- Minnesota Univ., Minneapolis, MN (USA). Underground Space Center
The effectiveness of foundation insulation retrofits in 15 Minnesota houses was evaluated using a before-after experimental method. A two- parameter linear regression model of total space heating load versus outside temperature was used to evaluate changes in energy use. The average whole-house energy savings for the interior and exterior cases were 92 and 24 therm per year, or 7.9 (range {minus}0.6 to 17. 8) and 3.0 (range {minus}2.9 to 8.3) percent, respectively. Minimum payback periods for the interior and exterior cases were 12 and 37 years, respectively. All homeowners reported increased comfort in their basements. Average measured savings were about one-third of those predicted. The findings show that the application of insulation in an uncontrolled zones produces highly variable results, and has the principal effect of increasing the temperature and comfort of the basement, rather than producing cost effective whole-house energy savings, 13 refs., 11 figs., 14 tabs.
- Research Organization:
- Oak Ridge National Lab., TN (USA); Robinson Technical Services, St. Paul, MN (USA)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (USA)
- DOE Contract Number:
- AC05-84OR21400
- OSTI ID:
- 5745224
- Report Number(s):
- ORNL/Sub-86-SA711/V; ON: DE91014956
- 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-)
BASEMENTS
BUILDINGS
COMPUTERIZED SIMULATION
COST
COST BENEFIT ANALYSIS
DEVELOPED COUNTRIES
DOCUMENT TYPES
EFFICIENCY
ENERGY ANALYSIS
ENERGY CONSERVATION
FEDERAL REGION V
FOUNDATIONS
HOUSES
INFORMATION NEEDS
MECHANICAL STRUCTURES
MINNESOTA
NORTH AMERICA
PAYBACK PERIOD
PROGRESS REPORT
RESIDENTIAL BUILDINGS
RETROFITTING
SIMULATION
SUPPORTS
TESTING
THERMAL EFFICIENCY
THERMAL INSULATION
USA
VALIDATION
320105 -- Energy Conservation
Consumption
& Utilization-- Building Services-- (1987-)
320107* -- Energy Conservation
Consumption
& Utilization-- Building Systems-- (1987-)
BASEMENTS
BUILDINGS
COMPUTERIZED SIMULATION
COST
COST BENEFIT ANALYSIS
DEVELOPED COUNTRIES
DOCUMENT TYPES
EFFICIENCY
ENERGY ANALYSIS
ENERGY CONSERVATION
FEDERAL REGION V
FOUNDATIONS
HOUSES
INFORMATION NEEDS
MECHANICAL STRUCTURES
MINNESOTA
NORTH AMERICA
PAYBACK PERIOD
PROGRESS REPORT
RESIDENTIAL BUILDINGS
RETROFITTING
SIMULATION
SUPPORTS
TESTING
THERMAL EFFICIENCY
THERMAL INSULATION
USA
VALIDATION