Robuta

https://makerfaire.com/maker/entry/67749/
Sep 6, 2023 - I made a real air conditioner. Not a box with a fan blowing over some ice. Not a peltier junction connected to a heat sink. Nope, here is a working vapor phase...
vapor compression cyclemaker fairebuildingtrueconditioner
https://www.nist.gov/publications/thermodynamic-performance-limits-vapor-compression-cycle
This presentation discusses the thermodynamic performance limits of the vapor compression cycle.
vapor compression cyclethermodynamicperformancelimitsnist