I believe this is a link to the submitted patent:
https://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2...
https://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2...
The website claims the system can eliminate the compressor and refrigerant completely.
Not sure if they have a separate patent for that.