Montague Urban Homestead
Stephens/Clarke Residence
| SPECIFICATIONS & ASSUMPTIONS | Code Compliant Home |
Proposed Design |
HERS Verification |
Performance
Data |
| Building Information | ||||
Conditioned Area (ft2) |
1152 |
1152 |
1152 |
|
Conditioned Volume (ft3) |
9216 |
9216 |
9504 |
|
Insulated Shell Area (ft2) |
3241 |
3241 |
3492 |
|
Bedrooms |
3 |
3 |
3 |
|
Housing Type |
SF Detached |
SF Detached |
SF Detached |
|
Foundation Type |
Slab |
Slab |
Slab |
|
| Annual Energy Consumption MMBtu/yr | ||||
Heating |
23.39 |
4.33 |
2.70 |
|
Cooling |
2.94 |
2.35 |
0.80 |
|
Water Heating |
20.40 |
0.00 |
1.60 |
|
Lighting & Appliances |
17.98 |
17.44 |
12.80 |
|
Photovoltaics |
0.00 |
-19.24 |
-22.50 |
|
Total |
64.71 |
4.89 |
-4.50 |
|
| Insulation | ||||
Slab Floors |
R30 |
R30 |
R30 |
|
Foundation Walls |
None |
None |
None |
|
Frame Floors |
None |
None |
None |
|
Walls |
R16 |
R42 |
R42 |
|
Ceiling |
R30 |
R74 |
R100 |
|
Roof |
None |
None |
None |
|
| Windows | ||||
U-Value |
0.35 |
0.30 |
0.17 |
|
SHGC |
0.65 |
0.68 |
0.25 |
|
Window/Wall Ratio |
0.13 |
0.13 |
0.123 |
|
| HVAC | ||||
Heating |
ASHP |
ASHP |
ASHP |
|
7.7 HSPF |
8.2 HSPF |
11 HSPF |
||
AC |
13 SEER |
17 SEER |
21 SEER |
|
Water Heating |
Conventional |
Demand |
Demand |
|
.59 EF |
.85 EF |
.99 EF |
||
| Ventilation | ||||
Type |
None |
HRV |
ERV |
|
Flow Rate |
- |
60 cfm |
65 CFM |
|
| Infiltration Rate | 7.81 ACH50 |
5.0 ACH50 |
.97 ACH50 |
|
| Renewables | ||||
Passive Solar |
TBD |
TBD |
Yes |
|
PV |
None |
4.56 kW |
4.94 kW |
|
Solar Thermal |
None |
Hybrid |
DHW |
