[4] The Better Business Bureau asked Molekule to stop a range of claims the company made about the effectiveness of its devices.

[7][8][9] During the 1990s, Dharendra Yogi Goswami started developing photo-voltaic technology to break down air pollutants in his home due to his son's severe asthma.

[10] Goswami created air filtration prototypes that used photoelectrochemical oxidation (PECO) and nanotechnology to eliminate indoor pollutants on a molecular level.

[15] The company announced in May 2019 that it would open a U.S.-based manufacturing plant in Polk County, Florida, which was the first in the Tampa Bay Area.

[22] In 2022, the company launched the Tri Power filter, which both uses PECO technology and meets HEPA filtration standards.

[24] The company successfully completed the Chapter 11 bankruptcy process in February of 2024, and is continuing normal operations.

[5][18] In June 2020, the BBB's National Advertising Review Board rejected Molekule's appeal almost entirely, with Molekule agreeing to remove various additional claims, including its longstanding slogan "Finally, an air purifier that actually works", and to modify others to clarify that they refer to the PECO technology rather than its actual products.