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Thermal Control Zero Energy

Parasol delivers next-generation cleantech cooling technology: Para.Cool™ - protecting buildings, cargo, electronics, and agriculture without power. Our selective radiative nano-materials work on any surface, in any environment, cutting energy use, GHG emissions, and costs. Precisely tuned to emit thermal radiation through the atmospheric window, they remove heat and GHGs from Earth's atmosphere.
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Comparison of traditional building absorbing solar heat versus Para-Cool building with selective infrared emission technology

Thermal Control Zero Power

Parasol delivers next-generation cleantech cooling — protecting buildings, cargo, electronics, and agriculture without power. Our selective radiative nano-materials work on any surface, in any environment, cutting energy use, GHG emissions, and costs.
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Why Para.Cool™?

Revolutionary passive radiative cooling technology that works on any surface

Works on All Surfaces

Unlike competitors limited to rooftops, Para.Cool™ provides effective cooling on both horizontal and vertical surfaces.

Zero Power Required

No electricity, no refrigerants, no moving parts. Pure passive cooling through selective thermal emission.

Selective Emittance

Precisely tuned to emit thermal radiation through the atmospheric window, removing heat from Earth's atmosphere.

Year-Round Performance

Provides cooling when needed, avoids heat penalties in winter. Smart thermal regulation for all seasons.

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