Lennox ML14KC1 Air Conditioner.

The Standard of Operation

A single-stage unit is either on or off, working at full capacity when in use. With this simplified mode of operation, this product provides the heating and cooling levels you’d expect.

Efficient and Affordable

The ML14KC1 meets or exceeds energy efficiencies of 14.30 SEER2, delivering comfort and energy savings at a more affordable price.

Our Uncontested Quantum™ Coil

With years of rigorous testing under the most extreme conditions, our Quantum Coil – featuring a proprietary aluminum alloy exclusive to Lennox – is designed to weather the harshest elements.

A Refrigerant That’s Better for the Environment

This product is compliant with 2025 EPA regulations for lower global warming potential (GWP) refrigerants. The Lennox choice of 2025 Compliant Refrigerant has a lower GWP than its predecessor and is formulated to provide excellent, reliable performance of your system for years to come.