====== HVAC ======


[[https://intarcon.calcooling.com/#rule|Refrigerant rule]]

[[https://www.swep.net/support/ssp-calculation-software/|SWEP calculation software]]

[[https://www.flycarpet.net/en/phonline|Online Interactive p-H and T-s Diagram]]

[[https://tlk-energy.de/en/phase-diagrams/pressure-enthalpy|log p-h Diagram]]