Freon-12 has similar high and low pressures to which other refrigerant?

Freon-12, also known as dichlorodifluoromethane (CCl₂F₂), shares similar high and low pressures with methyl chloride (R-40). Both refrigerants function effectively in similar temperature and pressure ranges, which makes them comparable in certain applications.

R-22, R-134a, and R-404A are all different chemical compounds with distinct physical properties, including pressure ranges. R-22 is a hydrochlorofluorocarbon (HCFC), which is gradually being phased out due to environmental concerns. R-134a, a hydrofluorocarbon (HFC), has different thermodynamic properties, and its pressure characteristics do not align closely with those of Freon-12. R-404A is a blend of different refrigerants and is designed for very different applications than Freon-12, resulting in varying pressure metrics. Understanding these relationships is crucial for selecting the correct refrigerant for specific HVAC systems while maintaining efficiency and compliance with environmental regulations.