How the R-410A to R-32 Refrigerant Change Affects New AC Installs
https://page-wiki.win/index.php/What_a_%22Ton%22_Really_Means_When_Sizing_an_AC_Unit
If you have been shopping for a new air conditioning or heat pump system in 2025 or 2026, you may have noticed contractors mentioning refrigerant types — R-410A, R-32, R-454B — in ways that were never part of the conversation five years ago