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I Installed an A2L and Lived to Tell About It!
Roman Baugh returns to the podcast to talk about the time he installed an A2L system and lived to tell the tale.
Roman used most of his same R-410A tools to install the first A2L-based ductless mini-split in Florida. Flare blocks, wrenches, and torque wrenches will all stay the same; you just have to be sure that your vacuum pumps and recovery machines are rated for use on A2L refrigerants. A2L-based mini-splits use flared fittings with no brazing necessary; this is currently the A1 status quo.
Purging and flowing with nitrogen will be required of A2L systems. Purging refers to a higher flow…
The skinny
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