"The air is so much cleaner in here; my husband doesn’t sneeze inside the house even when he is sneezing outside."
Homeowner
Key Features
- Walls: 2x6 studs @ 16" o.c., R-25 total: R-23 spray foam in cavity, house wrap, 1" R-5 foam sheathing, acrylic stucco, sill seal and caulk at plates.
- Roof: Truss gabled roof: trusses, 1/2" deck sheathing, self-adhering underlayment, cement tile roofing is ENERGY STAR cool roof-certified.
- Attic: Conditioned attic with 7" R-28 open-cell spray foam on underside of roof deck.
- Foundation: Slab on grade: CMU stem walls. Rigid foam is 2" thick (R-10) and 48" wide under slab perimeter and 1" R-5 on slab edge.
- Windows: Double-pane, argon-filled, low-e, vinyl frame, U=0.29, SHGC=0.23.
- Air Sealing: 3.98 ACH50, spray foamed attic, sill seal, foam seal all exterior penetrations.
- Ventilation: ERV, MERV 9 filter.
- HVAC: Gas furnace, 96 AFUE, 16 SEER AC unit, flex duct system, ducts in conditioned attic.
- Hot Water: Gas tankless, 0.96 EF, integrated recirculation pump.
- Lighting: 100% LED.
- Appliances: All appliances are certified by ENERGY STAR.
- Solar: 3.55 kW, 10 355-W rooftop panels with integrated micro-inverters.
- Water Conservation: EPA WaterSense bathroom faucets, showerheads, central manifold with PEX piping, button-activated recirculation pump, drip irrigation.
- Energy Management System: Wi-Fi and Bluetooth compatible thermostat.
- Other: Low/no-VOC finishes, paints, adhesives; GreenGuard Gold flooring.
Building Specifications
Conditioned Area |
2,099
ft2
|
Bedrooms |
3
|
Bathrooms |
2
|
Stories |
1
|
Climate Zone |
4B
|
Completion Date |
April 2020
|
Modeled Performance
|
With PV
|
No PV
|
HERS Index |
15
|
43
|
Annual Energy Cost |
$450.00
|
$1,200.00
|
Annual Energy Cost Savings |
$1,500.00
|
$750.00
|
Annual Energy Savings |
11,100 kWh
|
5,100 kWh
|
First 30 Years Savings |
$72,100.00
|
$36,800.00
|