The US Department of Energy Awards TC Legend Homes

by | Oct 5, 2016

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

House in the Hollow Case Study

House in the Hollow Case Study

This just in and hot off the press - the House in the Hollow Case Study! TC Legend built this net-zero house through the winter of 2020/ 2021. The house-in-a-hollow isn’t really in a hollow, it’s on a knoll, above protected wetlands, northeast of Bellingham. The...

2022 Wrap Up – TC Legend Homes Achievements & Company Culture

2022 Wrap Up – TC Legend Homes Achievements & Company Culture

As we come towards the end of 2022, which in former years Winter was our slow season, the company is still quite busy with our six houses in the queue! The end of the year is always a great time to reflect on these past four seasons and solar cycle. Especially 2022......

Case Study: Cascade House

Case Study: Cascade House

This month the Cascade house sold!  Thanks to all who came out to the Zero-Energy Home tours! And a BIG thank you to Sustainable Connections for co-hosting! We had a great turn out both nights educating the community about what a Zero-Energy home is all about,...

Zero-Energy Building Fan?

Sign up for TC Legend updates.