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Photo of a man standing in a hallway and working on a laptop. In front of him is a digital display of the house's energy performance.

Team California member Justin Miller demonstrates his house's monitoring and control system.

Solar Decathlon 2009

Comfort Zone

(100 points)

Teams design their houses to maintain steady, uniform indoor environmental conditions. Full points were awarded for maintaining narrow temperature and relative humidity ranges inside.

For full points, the team houses had to maintain:

  • Temperature in the range of 72°F (22.2°C) to 76°F (24.4°C)
  • Relative humidity between 40% and 55%.