Trane Technologies plc (NYSE:TT) has signed a definitive deal to buy the digital-business arm of Stellar Energy International, Ltd. The unit provides turnkey liquid-to-chip cooling solutions for data centers.Financial terms were not disclosed. Once completed, Stellar Energy Digital will operate under Trane's Commercial HVAC Americas segment.Under the deal, Trane will absorb Stellar Energy's Digital business operations, which include two assembly plants in Jacksonville, Florida, and roughly 700 employees, to ...