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Merit® Series


heat pump

Single-stage heat pump that delivers economical, high-efficient comfort

ML16XP1 Heat Pump
Price Guide
Efficiency Rating (SEER)
up to 17
Efficiency Rating (HSPF)
up to 10
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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Cooling Savings

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Consider the Bar Raised

Consider the Bar Raised

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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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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Save Money Every Month

With an energy rating of up to 17.00 SEER and 9.8 HSPF*, you pay for perfectly comfortable air, not wasted energy. For even greater efficiency, pair it with a Lennox gas furnace.

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Dual-Fuel Capable

When the ML16XP1 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 most cost-efficient for the weather conditions at the time.

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Ratings & Reviews

See what other customers are saying about
ML16XP1 Heat Pump

5 Stars 5/5
August 05, 2023

5 Stars 5/5
May 25, 2023

5 Stars 5/5
May 08, 2023

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  • * The cooling efficiency rating for heat pumps is Seasonal Energy Efficiency Ratio, or SEER. The heating rating is Heating Seasonal Performance Factor, or HSPF. The higher the SEER and HSPF, the better the energy performance, and the more you save.
Energy Star

Proper sizing and installation of equipment is critical to achieve optimal performance. Split system air conditioners and heat pumps (excluding ductless systems) must be matched with appropriate coil components to meet ENERGY STAR criteria. Ask your contractor for details or visit

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