When did the first commercial HEPA filters begin appearing on the consumer market?

Answer

The 1950s

Although the core technology and strict performance standards for HEPA were established in the 1950s, driven by the AEC's nuclear safety needs, the transition of this advanced filtration into household appliances was gradual. The first commercial availability of HEPA filters started during that same decade, the 1950s. However, widespread public adoption as a common household appliance took significantly longer. This delay was due to factors such as cost, complexity of integration into small units, and a slower accumulation of public health awareness regarding microscopic indoor allergens and pollutants. The accessibility of high-grade purification only accelerated much later when manufacturing processes made HEPA-like technology affordable for the average homeowner.

When did the first commercial HEPA filters begin appearing on the consumer market?

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