"We continue to enjoy our Deltec home every day. It's amazing!"
Homeowner
Key Features
- Walls: 2x6, 24" o.c., panelized, R-24 total: advanced framed, 5.5" cellulose in cavity, 5/8" plywood sheathing, 1" R-5 graphite EPS, drain wrap, fiber cement lap siding and trim.
- Roof: Truss monoslope: vaulted parallel chord 16" open-web trusses at 24" o.c., 5/8" plywood sheathing, synthetic roof underlayment, Cool Roof-certified asphalt shingles.
- Attic: Unvented, vaulted ceilings: 6" R-21 open-cell spray foam on underside of roof deck.
- Foundation: Slab on grade: R-10 rigid foam at slab edge + under perimeter to 3 ft total.
- Windows: Double-pane, argon-filled, low-e3, fiberglass-wood frames; U=0.27, SHGC=0.20.
- Air Sealing: 2.46 ACH50, open-cell spray foam at roof deck and rim joist; all plates, joints, and holes caulked; sill seal; gasket installed between plywood and framing at factory.
- Ventilation: Dehumidifier with fresh air intake tied to air handler; MERV 13 filter; bath fans.
- HVAC: Central air-source heat pump, 11 HSPF, 18.5 SEER, AC variable speed compressor.
- Hot Water: Heat pump water heater, 50-gal, 3.55 UEF.
- Lighting: 100% LED, 2 solar tubes, 6 clerestory windows.
- Appliances: ENERGY STAR refrigerator, dishwasher, clothes washer, heat pump dryer, bath fans.
- Solar: 7.2 kW, rooftop panels, passive solar design.
- Water Conservation: Low-flow fixtures. Hot water recirc. pump. Drip, predictive irrigation.
- Energy Management System: PV production and energy use tracking. Wi-Fi connected frig, water heater, oven. Smart thermostat. Water leak detection.
- Other: EV charging. Accessible doorways, handles, showers, sinks. Borate-treated lumber.
Building Specifications
Conditioned Area |
1,288
ft2
|
Bedrooms |
2
|
Bathrooms |
2
|
Stories |
1
|
Climate Zone |
3A
|
Completion Date |
March 2021
|
Modeled Performance
|
With PV
|
No PV
|
HERS Index |
-21
|
50
|
Annual Energy Cost |
$150.00
|
$850.00
|
Annual Energy Cost Savings |
$1,650.00
|
$1,000.00
|
Annual Energy Savings |
15,400 kWh
|
5,700 kWh
|
First 30 Years Savings |
$66,200.00
|
$39,600.00
|