zHome

Location: Issaquah
Star Level: Built Green 5-Star, Net Zero
Checklist: 2011 Single-Family/Townhome
Total Score: XXX

The zHome project is the first multifamily, production, zero-energy, carbon neutral community in the United States. zHome is a 10-unit townhouse, transit-oriented development that will prove that homes using zero net energy and 60% less water, emit net zero carbon emissions, have clean indoor air and use only low toxicity materials, are possible and scalable to mainstream home production.

• Net Zero Energy, Zero Net CO2 Emissions

  • R-38 walls and R-60 ceiling insulation

  • Double pane fiberglass windows, .33 U-value

  • Tight building exterior that exceeds code standards with adequate ventilation

  • Ground source heat pump for heating and hot water

  • Heat recovery ventilator

  • Hydronic heating

  • High efficiency lighting (CFLs and LEDs)

  • High efficiency appliances

  • Energy Feedback monitor

  • Photovoltaic panels

• 40% Water Use

  • No lawn, compost rich soil, & drought tolerant plants

  • Dual-flush toilets

  • High efficiency clothes washer & dishwasher

  • High efficiency showerheads

  • High efficiency bathroom faucet aerators

• Healthy, Low Toxic Homes

  • No wall-to-wall carpet

  • Sealed garages with ventilation screens

  • Zero urea formaldehyde interiors

  • Heat recovery ventilator

  • Low toxicity adhesives, finishes, caulks, paints and sealants

• Deep Green Materials

  • Recycled materials, including sheetrock, concrete, siding, and roofing

  • Locally produced materials (within 500 miles of project)

  • Durable materials

  • Forest Stewardship Council (FSC) certified wood

  • Minimal vinyl

  • 90% of construction waste recycled

• Outside

  • No lawn, compost rich soil, drought tolerant and bird friendly plants

  • Rain gardens

  • Pervious pavements

  • Micro-car parking for smart cars