Desert Mountain High School

Solar cooling systems are durable solutions with a perfect match for the requirements of education institutions. Each day, pupils do really understand the performance and the benefits of the solar cooling system. Not from theory, but from daily practice.
The desert of Arizona with its high solar irradiation requires a stable technology to cool down the heads of more than 4000 hard studying pupils. The desert’ sun was wisely understood not to be the cause for hot brains, but to be the source of sustainable and durable technological solution as well: for solar cooling.

Desert Mountain High School

Technical Specifications & Special Features

  • Collector area
    4935 m²
  • Buffer Volume
    35 m³
  • Cooling Capacity
    1,750 kW
  • Commissioning
    2014
  • CO2-savings
    490 t/a

The worldwide most powerful solar cooling system is a perfect match for tomorrow’s decision makers

Solar cooling systems are durable solutions with a perfect match for the requirements of education institutions. Each day, pupils do really understand the performance and the benefits of the solar cooling system. Not from theory, but from daily practice.

The district school administration urgently needed to reinvest in their cooling system. The requirement was defined to move away from compression chiller to a more durable solution – and to become a greener school. The roof constructed collector area was synergetically used for shaded parking area. To ultimately realize the world's largest solar cooling system, the state of Arizona gave subsidy with required performance guarantee, administered by Arizona Power Service.

SOLID’s local representative established contacts with the school and developed the project together with the team in Graz. SOLID’s absorption chillers are considered as “pre-cooling” for base load and only peaks are supported by the existing compression chillers. The effect of solar cooling applied for base load, the overall energy costs decreased and the lifetime of compression chillers increased.

As an intended effect, the Desert Mountain High School administration, has two benefits from solar cooling: First, to spend less for cooling enery and, second, to reduce the connection fee as the peak electricity load significantly decreased. The shadings by the collectors have a benefit to the users of parked cars, as these do not overheat anymore.

 click to enlarge

„Given the high cooling demand of our school and the high solar irradiation here, solar cooling is the perfect solution for us. We are glad that SOLID arranged an ESCo deal for us and we didn’t need to invest into the plant.“

Citation of facility manager desert mountain high school

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