ML16XP1 Heat Pump

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.

Here are some of the top features of the ML16XP1:

Efficiency ratings of up to 16.00 SEER and 9.50 HSPF* – mean you pay for perfectly comfortable air, not wasted energy. 

The 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.

Dual-fuel compatible – for even greater efficiency, pair your heat pump with a Lennox® gas furnace. This 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.

  • Single-stage
  • QuantumTM Coil
  • Dual-fuel compatible






  • 5-year limited warranty on covered components

*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.