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International Automotive Technicians Network
Posted to HVAC Forum on 3/25/2018

Trick question.

The old test SAR 1995 showed a GWP of 1300,for 134a.

The old test TAR 2000 also was showing 1300 for 134a.

But AR4 (the 2007 test)is showing 1430 for [...] a GWP of (about) 4 for 1234YA.

The Indirect Global Warming numbers needed to be ... Login to read more.