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Dwell Development and CTL Design - 5-Star Single-family Homes

TC Legend Homes
Vital Stats
Location: Kirkland
Star Level: 5-Star
Checklist: Single-Family/ Townhome New Construction
Verifier: Evergreen Certified
SectionPoints
Site and Water 144 and 142
Energy Efficiency 140 and 141
Indoor Air Quality 159 and 159
Material Efficiency 106 and 105
Total Score 640.2 and 607.95

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The construction of these modern and efficient side-by-side homes was managed by Chris Lewis of CTL Design, a former Dwell Development employee. Built to typical Dwell specs, the homes feature a harmonious mix of high-performance techniques and salvaged and re-purposed finishes.

These two homes have unique floor plans but use the same mechanical systems. Space heating is provided by in-floor hydronic heat powered by a tankless gas boiler. Balanced ventilation runs 24 hours a day via a Lifebreath HRV. The building envelope goes well beyond a code-built home, featuring 2x8 wall construction with blown-in insulation and triple pane windows.

The modern systems in these homes are juxtaposed with rustic finishes like reclaimed barn wood flooring, stair treads and accent walls. On the exterior, Corten siding will soon rust and create its own protective skin, requiring no maintenance or finish product.

Built Green highlights include:

Site and Water

  • 100% Pervious hardscaping
  • Large Magnolia tree transplanted from another site
  • Bamboo composite decking - 100% recycled material
  • Drought tolerant plantings
  • High efficiency 0.8 gallons per flush toilets

Energy Efficiency

  • R-27 walls, 30% lower energy use than code
  • Triple pane windows
  • Fluid applied weather and air barrier
  • High efficiency boilers for radiant heat and DHW
  • LED lighting

Health and Indoor Air Quality

  • Continuously running HRV for ventilation
  • Pre-finished salvaged flooring
  • Low VOC paints, adhesives, finishes
  • No Added Urea Formaldehyde (NAUF) cabinets

Materials Efficiency

  • Extensive use of local, salvaged and reclaimed materials
  • Corten metal siding

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Use pervious surfaces to reduce rainwater runoff