North Sister

Water Conservation

  • Low flow faucets
  • Low flow showers
  • Dual flush toilets
  • 100% on-site storm water management
  • Rainwater sub-grade infiltration system
  • Sub-Surface water infiltration system

Energy Efficiency

  • 8″ thick double 2×4 walls with thermal breaks
  • Dense-pack blown in fiberglass insulation
  • 3″ closed cell spray foam on ceiling at roof
  • Mitsubishi HVAC System that incorporates HRV
  • Ridged foam under slab insulation
  • Thermally isolated slab
  • Extensive air sealing package
  • All lighting CFL or LED
  • Extended eaves for summer shading
  • Energy efficient on-demand water heater
  • Energy Star certified appliances
  • Crawl space accessed only from outside envelop

Sustainable Materials

  • Infill lot within walking distance to local amenities
  • Job-site recycling

Indoor Air Quality

  • Zero VOC paint
  • Radon mitigation system
  • Heat Recovery Ventilator


  • Earth Advantage (Platinum)

The People

Owners: Jon and Nancy Dechard 
Designer: m.o.daby design
Project Manager: Abhi Mishra
Engineer: BK Engineers
Landscaper: Tryon Creek Landscaping
Photographer: Erin Riddle and Kenton Walts of KLiK Concepts

By The Numbers

1.9 – ACH @50 pascal score on blower door test

29 – Sierra Pacific Windows

2 – New house where one house was.

2- Sisters living as neighbors