Instead, the Feher ACH-1 has a real air-conditioner that uses a thermoelectric pump to dehumidify and cool the air. That means no fogging up, although the injection-moulded, quick-release visor does have an anti-fog coating.
Cool air is circulated around your head via a fan that blows the air through Feher’s patented Tubular Spacer Fabric. It’s like a honeycomb helmet liner. There are no standard air vents.
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Feher patents invention
Feher invented and patented the technology in the humid conditions of Hawaii.