Lennox Quantum Coil

With years of rigorous design and testing under the most extreme conditions, our Quantum coil technology—featuring a proprietary aluminum alloy exclusive to Lennox—is here to deliver superior performance and peace of mind.

Lennox unit displaying our exclusive aluminum alloy quantum coil

Types of Corrosion

The major types of corrosion react differently in their respective environments.



Fresh paint, new carpets, new furniture, and even common household cleaners generate what are called Volatile Organic Compounds (VOCs). While you may not notice these VOCs, your HVAC system will. VOCs can create organic acids when combined with moisture producing a harmful environment for some coils, which could eventually lead to corrosion.

Cutaway view of a Lennox System


In coastal areas where salt air is common, galvanic corrosion of aluminum fins on outdoor coils can gradually compromise cooling capacity.


All-Aluminum Alloys: Improved Durability

We've engineered the Lennox Quantum coils to reduce the effects of corrosion in these tough environments, helping maintain your unit's cooling capacity over a longer period of time.

Advantages of Lennox Quantum Coil Technology

Our Quantum Coil technology is designed to deliver on improved comfort and energy savings. Because they're resistant to corrosion, you'll experience easier maintenance, better performance, and greater peace of mind for years to come.

Our specialized aluminum alloy doesn't just reduce the chance of corrosion due to moisture, oxidation, or salt, it's also a key ingredient in our commitment to sustainability. Because aluminum coils are significantly lighter than traditional copper coils, some Quantum coil units can weigh up to 50 pounds less than the copper versions they replace. That translates into significant fuel savings and fewer emissions during shipping.

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