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Filipina Teen Invents Eco-Friendly Air Conditioning Unit Without Refrigerant




  • The AirDisc Technology uses air molecules as cooling agent instead of toxic chemicals that negatively impact the Earth’s atmosphere.
  • Maria Yzabell Angel Palma, a young student from the Philippines, discovered this innovation in 2016 by accident.
  • Her revolutionary invention won nearly 30 awards from both local and international competitions.
  • AirDisc Cooling Technologies intends to release the AC unit in the market this year.

A young lady from Naga City, Philippines invented an air conditioning system that uses air molecules as its cooling agent instead of hazardous hydroflourocarbons (HFCs).

Maria Yzabell Angel Palma was only in 10th grade then at the Philippine Science High School in Bicol when she accidentally discovered the technology. She was working on her AirWave Oven when she noticed cold air coming out at the end of the copper tubes she used.

“So I thought why not just develop something from this?” she said.

With the help of her father, Bernardo Palma, a mechanical engineer and food entrepreneur, they made the prototype.

Yza Palma’s AirDisc uses a centrifugal compressor, with rotating concentric air tanks.
Photo: AirDisc Cooling Technologies
Its open-air system allows its inlets to continuously take in air molecules for compression.

Consequently, the heat produced from the air compression separate. Meanwhile, the compressed air molecules with less heat expand and become cold air.

Yza won multiple, prestigious awards from 2017 to 2019 due to her remarkable and timely innovation. She is now a mechanical engineering student at De Lasalle University – Manila.

Since the AC uses the air that we breathe, it rids us of HFCs that emit hazardous gasses into the atmosphere. Therefore, it will not contribute to our worsening Global warming and climate change problems.

Furthermore, this technology consumes very low energy. It only requires 150 watts of power compared to 1,200 – 1,500 watts in ordinary air conditioners. Also, according to their website, AirDisc is made from reliable materials and is easy to maintain.

Yza had patent filed at a Virginia-based US Patent and Trademarks Office a few years back. They also intended to mass produce the AirDisc this year. Unfortunately, the coronavirus pandemic “complicated their efforts.” Nevertheless, they promised AirDisc will be very affordable once it’s out in the market.

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