1st Generation: INhome – Solar Decathlon Competition

Efficient. Practical. Essential. The INhome (short for Indiana home) featured efficient systems and sustainable design without sacrificing modern comforts and amenities. The INhome was fully functional, yet practical net-zero energy home designed for a typical Midwestern consumer in today’s cost-competitive residential market. The INhome is one vision for future residential housing.


  • One of the innovative features of the INhome, was the Biowall. This first version was developed specifically for the Solar Decathlon. However, more than twenty thousand visitors showed a particular interest for the plant filter, which encouraged the Purdue team to optimize its VOC removal capacity.
  • Team Purdue encourages you to use these efficient, practical, and essential ideas, "From INhome to YOUR home"


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  • A team of Purdue University students competed in the United States Department of Energy's Solar Decathlon, a high profile international competition where 20 collegiate teams design, build, and demonstrate solar powered houses.
  • The students built the house on campus and then moved to Washington D.C., where the competition was held from September 23 to October 2, 2011.
  • The INhome finished in 2nd place overall during the competition, which consisted of 10 individual contests: architecture, market appeal, engineering, communications, affordability, comfort zone, hot water, appliances, home entertainment, and energy balance.

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