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Features

  • Contemporary, 2-unit, 2 story townhouses
  • Each unit
    • 3BR/2BA
    • 1556 SF (fully-conditioned living space)
    • 125 SF (semi-conditioned workshop)
  • Net-zero energy design built to Passive House standards
    • Designed to reach net-zero energy with 3 occupants per unit
    • Each year, any extra electricity generated will be donated to low-income residents
  • Earth Advantage Platinum
  • Certified by Passive House Institute US
  • All electric, no gas (%100 renewable energy, no fossil fuel)
  • Energy efficient heat pump water heater- AirGenerate AirTap (ATI50)
  • Energy saving mini-split heat pump for space heating (also provides cooling in summer)- Mitsubishi Mr. Slim SEZ-KD09NA
  • Photovoltaics on roof- SolarCity, 4.70 kW system on west unit, similar system to be installed on east unit later
  • High performance white Energy Star roof- FiberTite roofing membrane 
  • Zehnder HRV (Heat Recovery Ventilator- provides fresh air without losing heat)- ComfoAir 350
  • Triple-glazed high-performance Thermotech Fiberglass windows
  • Window design takes advantage of natural light to reduce need for artificial lighting during the day
  • Energy efficient appliances and lighting
  • Food garden with fruit trees and raised beds
  • Shed pre-wired for electric charging station for car/bikes- with possible future share arrangement with neighbor(s)
  • Rainwater collection with underground cistern for irrigation
  • Driveway/parking pads with pervious pavers
  • Sunnyside neighborhood close to Belmont/Hawthorne with high walkability score
  • Live/work design- Randy will be able to see chiropractic clients in 1st floor front office
  • Green Building Research Lab at Portland State will be monitoring both units to study 1) building performance and occupant behavior in net-zero energy passive homes and 2) phase change materials to reduce energy use and improve thermal comfort 
  • An infill project, built with affordability and sustainability in mind