ml14kp1
Heat Pump
Standard-efficiency, single-stage heat pump compatible with 2025 Compliant Refrigerant
ENERGY STAR® Qualified
R-454B
Merit models come with a 5-Year Limited Warranty on compressors and a 5-Year Limited Warranty on covered components. A 10-Year Extended Limited Warranty is available with product registration. For more information, visit www.Lennox.com/WarrantyYourWay.
Features
The standard of operation
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 ML14KP1 meets or exceeds energy efficiencies of up to 14.30 SEER2 and an HSPF2 of 7.50, delivering comfort and energy savings at a more affordable price.
Our Uncontested Quantum™ Coil
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.
Ratings & Reviews
See what other customers are saying about
ML14KP1 Heat Pump
5/5
5/5
5/5
Awesome unit
December 05, 2025This heat pump/AC unit has been a game changer in my home. It cools the house down fast in the summer and keeps it perfectly comfortable on colder days, without any hot or cold spots. It runs quietly in the background, and the air in the house feels fresher and less stuffy than it did with my old system. What has impressed me most is how reliable it has been. Once it was installed and set up, I haven’t had to worry about it at all—no surprise issues, no strange noises, just consistent performance day after day. On top of that, my energy bills have gone down, which was a pleasant surprise and makes me feel even better about the purchase. Overall, this has been one of the best home upgrades made so far. It gives peace of mind knowing the house will stay comfortable year-round, and it feels like money well spent. I would definitely recommend this heat pump/AC unit to anyone looking for a dependable, efficient system that just works.
Yes, I recommend this product.
Tampa Florida
Age: 35 to 44
Gender: Female
Reason for Replacement: Emergency
5/5
3/5
5/5
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