If you mean "How well does the A/C work?" it's great in anything short of desert heat, in which case it's adequate. If you mean "How much power does it use?" then the answer is "Not too much." IIRC, turning on the A/C drops the range estimate by about 2 miles.
Scarlet Ember 2018 Leaf SL W/ Pro Pilot
2009 Vectrix VX-1 W/18 Leaf modules, & 3 EZIP E-bicycles.
PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.