Prefab passive green home built with SIPs: Green Modern Kits house kit!
Green Building For The Rest Of Us!
Green homes, solar power, energy efficient kits

Green Housing / Modern Home Designs:
Modern Home Design brought to you by Green Modern Kits.
Modern house kits - Passive Solar Houses - Structural Insulated Panels ( SIPs ) - Easily Net Zero Energy / Off Grid

David Day and 3 North have partnered with Green Modern Kits to provide affordable, green, and modern home design solutions to prefab enthusiasts within the United States and Canada.

All of our small footprint modern homes are passive solar and built with SIPs (structural insulated panels).

casa ti by David Day

David Day Designs

If you would like to be inspired, see our green architect, David Day Architecture's site.

3 North

  • The R1 by Grace Street
    The R1 Residence: Larger, two story living: Radiant Heat, Passive Solar Design, SIPs, Grey Water Recovery System, natural ventilation / convection via Central “Stack” augmented by whole house fan.

    1st floor: 1196 s.f.
    2nd floor: 832 s.f.
    Optional bath: 140 s.f.
    Total Area: 2028 s.f. without bath, 2168 s.f. with bath

  • New! The R1 Residential Modern Addition and Modern Garage
If you would like to be inspired, see 3 North's site.

Imagine this... For You... Affordably.