Hitting the COMFORT ZONE

Batteries and humans like to be at room temperature. Thermal-management systems make sure that happens - while maximizing efficiency.

When General Motors unveiled the 2025 Cadillac Escalade IQ, the EV luxury SUV with a 24-module Ultium battery pack providing more than 200 kWh of energy that contributes to an estimated 450 miles (724 km) of range and up to 750 hp, the company enumerated an array of technology features, ranging from the 55-in. total diagonal LED display powered by the Qualcomm Snapdragon Platform to the Four-Wheel Steer capability, which reduces the turning diameter of the SUV by more than 6.5 feet (to 39 ft, 4 ins). And there is a suite of other features.

But among all that there was another feature perhaps not as glamorous as the sort of equipment in a luxury EV that will sticker at an estimated $130,000: a heat pump.