 |
 |
Double Stud cavity wall with open cell spray foam and rigid board exterior insulation
for thermal breaks. |
 |
|
 |
 |
Triple pane windows, R-62 roof insulation, passive solar heating. |
 |
|
 |
 |
13.65 kw of Solar PV, 10 Solar Thermal panels, Standing column geothermal system |
 |
|
 |
 |
LEED Platinum expected, HERS rating of -6. |
 |
|
 |
 |
 |
 |
Conditioned Area (sq. ft.) |
 |
4500 |
 |
4,539 |
 |
|
 |
|
 |
 |
Housing Type (single family, multi-family, attached, detached, etc.) |
 |
SF/Detached |
 |
SF/Detached |
 |
|
 |
 |
 |
 |
 |
Slab Floors |
 |
R-20 |
 |
R-20 XPS |
 |
|
 |
 |
Foundation Walls |
 |
R-38 |
 |
R-39.3 XPS & Open Cell |
 |
|
 |
 |
Frame Floors |
 |
N/A |
 |
R-43 Open Cell |
 |
|
 |
 |
Walls |
 |
R-42 Open Cell Spray Foam |
 |
R-42 Open Cell |
 |
|
 |
 |
Vaulted Ceiling |
 |
R-62 Open Cell Spray Foam |
 |
R-62 Open Cell |
 |
|
 |
|
 |
|
 |
|
 |
 |
 |
 |
Space Heating (primary only) |
 |
Geothermal |
 |
Geothermal |
 |
|
 |
Efficiency (HSPF, COP, etc.) |
 |
4 COP |
 |
4.1 COP |
 |
|
 |
 |
AC Efficiency |
 |
Geothermal |
 |
Geothermal |
 |
|
 |
Efficiency (SEER, EER) |
 |
20.6 |
 |
20.6 SEER |
 |
|
 |
 |
Water Heating |
 |
Solar/Electric |
 |
Solar/Electric |
 |
|
 |
Efficiency (EF) |
 |
0.62 |
 |
0.86 |
 |
|
 |
 |
Ventilation |
 |
ERV - Fantech |
 |
ERV - Fantech |
 |
|
|
 |
 |
Infiltration Rate |
 |
0.6 ACH50 |
 |
0.43 ACH50 |
 |
|
 |
 |
 |
|
 |
 |
Solar Thermal (DHW, space heating, etc.) |
 |
DHW &
Space Heating |
 |
DHW &
Space Heating (975 gal.
storage tank) |
 |
|
 |
|
 |
 |
 |
 |
Heating |
 |
17.4 ($812) |
 |
2.3 ($107) |
 |
|
 |
 |
Cooling |
 |
4.4 ($205) |
 |
3.5 ($163) |
 |
|
 |
 |
Water Heating |
 |
13 ($612) |
 |
0 ($0) |
 |
|
 |
 |
Lighting & Appliances |
 |
50.1 ($2349) |
 |
43.3 ($2031) |
 |
|
 |
 |
Photovoltalics |
 |
0 ($0) |
 |
-59.6 (-$2795) |
 |
|
 |
 |
TOTAL |
 |
84.9 ($3978) |
 |
-10.5 (-$494) |
 |
|
 |
|
 |