What is Copper vs aluminium coil?
The metal in the heat exchanger.
Short answer
Vague words like 'alloy' or 'copper-coated' usually mean not copper. Ask for the spec sheet line.
Copper vs aluminium coil when buying a air conditioner
The metal in the heat exchanger.
Why it matters: Copper transfers heat better, is repairable, and survives coastal humidity far longer.
Look for: Vague words like 'alloy' or 'copper-coated' usually mean not copper. Ask for the spec sheet line.
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