For the third year, the US Department of Energy has chosen TC Legend Homes for one of its Housing Innovation Awards in the “Custom for Buyer” category. Check out the photos of the award-winning zero-energy project.

Key Features

  • Walls: R-29, 6″ SIP taped at all interior and exterior joints, fiber cement siding.
  • Roof: R-42, 10″ SIP taped at all interior and exterior joints. Ice-and-water shield, asphalt shingles.
  • Attic: None.
  • Foundation: R-23 ICF stem walls, R-20 rigid foam under slab.
  • Windows: Triple-pane, vinyl-framed, low-e windows, U=0.21.
  • Air Sealing: 0.60 ACH 50
  • Ventilation: Timered exhaust fans.
  • HVAC: Evacuated tube solar hot water and 4.5 COP air-to-water heat pump for in-floor radiant hydronic heat.
  • Hot Water: Air-to-water heat pump, 4.5 COP.
  • Lighting: 100% LED
  • Appliances: ENERGY STAR refrigerator, clothes washer, range hood; induction cooktop.
  • Solar: 9.5-kW PV, evacuated tube solar hot water.
  • Water Conservation: Low-flow fixtures; centrally located water heater.
  • Other: Low-VOC paints and finishes. Electric car charging station.

Project Data

  • Layout: 4 bdrm, 2.5 bath, 2 fl, 2,463 ft2
  • Climate: IECC 4C, marine
  • Completed: May 2016
  • Category: custom for buyer

Modeled Performance Data

  • HERS Index: without PV 44, with PV -2
  • Projected Annual Energy Costs: without PV $1,053, with PV $25
  • Projected Annual Energy Cost Savings: (vs home built to 2012 IECC) without PV $811, with PV $1,889
  • Annual Energy Savings: without PV 9,453 kWh, with PV 20,993 kWh

Download the US Department of Energy poster.

 

Related Posts

Net zero development: Which way to run the streets

Net zero development: Which way to run the streets

Written by: Jake Evans Which way do you run the streets to maximize solar exposure for dense Net Zero development? Common wisdom states that the optimal streets run east west, which makes sense if you’re the house on the north side of the street, because there’s...

Educated Design: A year in the Murphy House

Educated Design: A year in the Murphy House

Educated Design: A year in the Murphy House Written by: Jake Evans There’s a right & a wrong way to design windows on the southside of a house. The Murphy windows are done the right way, are a bit high, tucked up towards the eaves to admit the low winter sunshine...

Company Culture Blog: Feat. Nicole’s Extra Curricular Activities

Company Culture Blog: Feat. Nicole’s Extra Curricular Activities

Company Culture Blog: Feat. Nicole's Extra Curricular Activities Written by: Nicole Miller At TC Legend Homes, our crew is dedicated to sustainability and environmentalism even outside of work. One of the ways crew member Nicole shows this dedication is through...

Zero-Energy Building Fan?

Sign up for TC Legend updates.