https://www.smartprix.com/bytes/optimist-launches-first-ac-at-rs-39990-with-iseer-6-05-rating-the-highest-efficiency-claim-in-its-class/Smartprixen2026-05-24T20:34:16+05:30Optimist Launches First AC at Rs 39,990 with ISEER 6.05 rating – The Highest Efficiency Claim in its Class