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
Lennox Merit Heat Pump is quietly efficient
March 15, 2026Lennox Merit Heat Pump is highly effective at heating during a cold snap of 27 degrees here in Texas as well as the traditional task of air conditioning.
Yes, I recommend this product.
San Antonio Texas
Age: Over 65`
Gender: Male
Reason for Replacement: Planned
5/5
5/5
5/5
3/5
Efficient, but loud.
March 15, 2026Haven't yet had a chance to test the cooling much, but the heating is fine. However, the unit is on the other side of the wall from my home office and it's LOUD. I added rubber damper feet under the unit and that only helped a tiny bit.
5/5
Efficient unit
March 14, 2026Efficient unit, runs well, fairly quiet also. Recommended
Yes, I recommend this product.
Georgia
Age: 35 to 44
Gender: Female
Reason for Replacement: New home purchase
3/5
5/5
Get answers from a Lennox® Dealer.
It's easy to find an expert Lennox Dealer who can help you make the most of your HVAC system.
View Now
