3/8" Or 1/2" Aircon Insulation

[casper 0]

I am planning to install a system 4 inverter aircon using the R410a gas, is there a need to upgrade the installation from 3/8" to 1/2"? Thanks

[noobhouse 1]

I am planning to install a system 4 inverter aircon using the R410a gas, is there a need to upgrade the installation from 3/8" to 1/2"? Thanks

mine system 3 non inverter using R410A gas, i upgraded to 1/2" many ppl in here also upgrade but yr casing will look bigger, so be prepared.