Philippine Science High School - Bicol Region Campus. Photo: Google Maps

A 19-year-old Filipino student has invented an energy-efficient air conditioning unit that does not use hydrofluorocarbons.

In fact Maria Yzabell Angel Palma, a mechanical engineering student at De La Salle University – Manila, developed an air conditioning unit that did not use any chemical refrigerant whatsoever, Philippine Lifestyle News reported.

Palma said she invented the AirDisc technology in 2016 as a research project while she was at the Philippine Science High School. Her invention employs low compression pressure and a high volume of air molecules instead of using a cooling agent.

Regular air conditioning units use hydrofluorocarbons as a cooling agent, which can be harmful to people. Palma’s invention was recently recognized by the International Federation of Inventors’ Association.

Palma, along with her father who is a mechanical engineer, have already filed plans with the United States Patent and Trademarks Office and are now looking for partners to commercially develop the AirDisc air conditioner.

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