VERMONT ENERGY INVESTMENT CORPORATION 255 South Champlain Street Burlington, VT 05401 Yellow Cells require thoughtful inputs SPACE HEATING AND DOMESTIC HOT WATER USAGE ANALYSIS Client: Underhill Clerk Address: Pleasant Valley Rd Prepared by: Ashton Thermal, LLC Building Analyzed: Office/ Meeting Hall Town: Underhill Date: 1/18/2009 BUILDING DATA WEATHER RELATED INPUT FUEL PRICE DATA Total # of Bdrms: 0 Nominal HDD 8250 Code Fuel Price Units $/MMBTU Total # of Units: 1 Correction Factor 65.0% E Electricity $0.13 /kWh $38.09 Number Occupants 10 Adjusted HDD 5330 K Kerosene $2.80 /gallon $20.50 Heated square ft: 5,800 Avg Inside Temp 70 N Nat'l Gas $0.98 /ccf $9.80 Building volume: 46,400 Design Temp -10 O Oil $2.50 /gallon $18.09 # floors 2.5 solar glass area: 402.6 P Propane $2.33 /gallon $25.44 Reconciliation: Typical Annual Fuel Use: 850 [MMBtu] 146,552 Btu/sq ft W Wood $150 /cord $7.50 Model Annual Fuel Use: 876 [MMBtu] 151,017 Btu/sq ft ASSUMPTIONS EXISTING PROPOSED ESTIMATED SAVINGS BUILDING Ext. Length Hght/Width Area Existing Proposed Correction MMBTU/ FUEL MMBTU/ FUEL MMBTU COST COMPONENT (ft) (ft) (sq. ft.) R-value R-value Factor YEAR % LOSS COST/YR YEAR % LOSS COST/YR SAVINGS SAVINGS Net Wall North 69 15 584 1.0 15.0 1.0 74.7 9% $1,689 5.0 2% $113 69.7 $1,576 Net Wall East 67 15 845 1.0 15.0 1.0 108.1 12% $2,444 7.2 2% $163 100.9 $2,281 Net Wall South 69 15 688 1.0 15.0 1.0 88.1 10% $1,991 5.9 2% $133 82.2 $1,859 Net Wall West 67 15 885 1.0 15.0 1.0 113.2 13% $2,560 7.5 2% $171 105.7 $2,389 Ceiling 1 51 36 1,836 10.0 50.0 1.0 23.5 3% $531 4.7 1% $106 18.8 $425 Ceiling 2 0 1.0 0.0 0% $0 0.0 0% $0 0.0 $0 Slant 1 28 16 0 5.0 26.0 1.0 0.0 0% $0 0.0 0% $0 0.0 $0 Slant 2 0 1.0 0.0 0% $0 0.0 0% $0 0.0 $0 Floor 1 0 1.0 0.0 0% $0 0.0 0% $0 0.0 $0 Floor 2 0 1.0 0.0 0% $0 0.0 0% $0 0.0 $0 Windows North 9.5 9.5 451 1.0 1.0 1.0 57.7 7% $1,305 57.7 18% $1,305 0.0 $0 Windows East 4.0 10.0 160 1.0 1.0 1.0 20.5 2% $463 20.5 6% $463 0.0 $0 Windows South 7.6 7.6 347 1.0 1.0 1.0 44.3 5% $1,002 44.3 14% $1,002 0.0 $0 Windows West 4.0 10.0 120 1.0 1.0 1.0 15.4 2% $347 15.4 5% $347 0.0 $0 Doors 1 6.0 7.0 42 1.0 1.0 1.0 5.4 1% $121 5.4 2% $121 0.0 $0 Doors 2 6.0 7.0 42 1.0 1.0 1.0 5.4 1% $121 5.4 2% $121 0.0 $0 FOUNDATION Depth Perimeter Area above grade 8.0 272 2,176 14.0 19.0 1.0 19.9 2% $450 14.7 5% $331 5.2 $118 below grade 4.0 272 1,088 14.0 19.0 1.0 6.8 1% $154 5.5 2% $124 1.3 $30 exposed slab 0 1.2 1.2 1.0 0.0 0% $0 0.0 0% $0 0.0 $0 Existing slab R-value: R-1 New slab R-value: R-1 INFILTRATION Existing Target LBL 'N' Existing Target Correction (with mech. vent.) CFM50 CFM50 Factor AC/H AC/H Factor 9,910 4,500 Shielding (W=Well, N=Normal, E=Exposed): Existing Existing % Fuel of Total MECHANICAL Heating System 1 Heating System 2 DHW System 1 DHW System 2
Oil Oil
100.0% 0.0% 100.0% 0.0%
11.6 E Existing Efficiency 80.0% 80.0%
1.10 Proposed Fuel Oil 0 Oil 0
0.50
1
117.8
13%
$2,665
53.5
17%
$1,210
64.3
$1,455
Proposed Proposed % of Total Efficiency Existing Hot Water Use and Cost Existing Space Heat Use and Cost 100.0% 80.0% 43.8 $791 700.7 load ÷ 80% Efficiency = 0.0% 0.0% 0.0 $0 875.9 $791 252.6 load ÷ 80% Efficiency = Heating System Savings 0.0 $0 315.7
