Updating the Weatherization Assistant’s Setup Library Mark Ternes Mike Gettings Oak Ridge National Laboratory 2009 National Weatherization Training Conference July 22, 2009 Managed by UT-Battelle for the Department of Energy
NEAT: R-11 Insulation · Insulation Cost – Bag of insulation costs $20 – For R-11, bag covers 200 ft² – $20/200 ft² = $0. 10/ft² · Labor Cost – – – 2 House with 1000 ft² attic 2 crew members take 4 hours each to insulate attic Crew cost is $30/hour (2 crew) x (4 hours/crew) x ($30/hour) = $240/1000 ft² = $0. 24/ft² Managed by UT-Battelle for the Department of Energy
NEAT: R-19 Insulation · Insulation Cost – Bag of insulation costs $20 – For R-11, bag covers 100 ft² – $20/100 ft² = $0. 20/ft² · Labor Cost – – – 3 House with 1000 ft² attic 2 crew members take 6 hours each to insulate attic Crew cost is $30/hour (2 crew) x (6 hours/crew) x ($30/hour) = $360/1000 ft² = $0. 36/ft² Managed by UT-Battelle for the Department of Energy
Check for Consistency Insulation level Labor cost R-11 ($/ft²) 0. 10 ($/ft²) 0. 24 R-19 0. 20 0. 36 R-30 0. 50 R-38 0. 40 0. 62 R-49 4 Insulation cost 0. 50 0. 72 Managed by UT-Battelle for the Department of Energy
NEAT: Window Replacement · 20” x 40” Window – – – = 60 U. I. $2/U. I. 60 U. I. x $2/U. I. = $120 Area = 20 in x 40 in = 800 in²/144 = 5. 56 ft² $120/5. 56 ft² = $21. 6/ft² · 36” x 48” Window – – = 84 U. I. x $2 U. I. = $168 Area = 36 in x 48 in = 1728 in²/144 = 12 ft² $168/12 ft² = $14/ft² · Average cost – ($21. 6 ft² + $14/ft²)/2 = $17. 8/ft² 5 Managed by UT-Battelle for the Department of Energy
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