OSAKA -- Daikin Industries, Japan's top air conditioner maker, will halve the amount of copper used in air conditioners from the current 90,000 tons per year by fiscal year 2024, Nikkei has learned.
Japanese company switches to aluminum amid decarbonization trend

Relatively inexpensive aluminum is being used increasingly to replace costly copper at Daikin manufacturing plants.
OSAKA -- Daikin Industries, Japan's top air conditioner maker, will halve the amount of copper used in air conditioners from the current 90,000 tons per year by fiscal year 2024, Nikkei has learned.