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Merit® Series


Heat Pump

Single-stage heat pump that delivers affordable, efficient comfort

ML14XP1 Heat Pump
Price Guide
Efficiency Rating (SEER)
up to 16
Efficiency Rating (HSPF)
up to 8.2
Energy Star®

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

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Raising the Standard

Raising the Standard

Welcome to the Lennox standard of excellence. Merit® Series is the introductory product line that raises the bar for heating and cooling equipment. Don’t settle when it comes to the air inside your home – ask for more. Ask for Merit. 

Ask More from Your Air.

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Energy Efficient Design

With an efficiency of 16 SEER and up to 9.0 HSPF, the ML14XP1 heat pump keeps your home comfortable and energy efficient.

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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.

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Dual-Fuel Compatibility

When the ML14XP1 heat pump is installed with a compatible Lennox furnace, it creates a heating system that can switch back and forth between electricity and gas automatically, based on whichever is the most cost-efficient for the weather conditions at the time.
Dual-Fuel Compatibility
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Ratings & Reviews

See what other customers are saying about
ML14XP1 Heat Pump

5 Stars 5/5
May 10, 2024

5 Stars 5/5

How long will it last ????

April 27, 2024

Had unit replace Lennox HP-26 here in north Florida in 2019 so now for the fun stuff cools great in summer time jury still out on using a 8kw replacing 10kw air handler realy enjoy the some times it does not start an makes a clicking noise go to braker panel flip brakers off & on an runs great heats great in winter had electican look at panel panel is up to code reading this other reviues makes me go HMMMM ???

Green check mark

Yes, I recommend this product.


Jacksonville Florida

Age: 45 to 54

Gender: Male

4 Stars 4/5
April 22, 2024

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