Lennox® Furnaces Merit Series

• Efficiency rating of 93% AFUE—can save you hundreds of dollars each year, compared to standard furnaces
• Sealed blower compartment—minimizes losses and maximizes efficiency and comfort. Less than 1% leakage at 1.0″ ESP
• Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs

• Stainless steel secondary heat exchanger—allows the furnace to reach high efficiency levels by capturing additional heat
• Robust blower assembly—exceeds industry standard airflow for even temperatures and improved comfort

• Duralok Plus® heat exchanger—made of patented ArmorTuf™ aluminized steel to ensure high reliability and efficiency
• SureLight® ignitor—silicon nitride construction for long product life and reliable operation
• Durable steel cabinet—Made to last, with a resilient and attractive textured-paint finish
• SureLight integrated control board—ensures full control of furnace operation

• Efficiency rating of 80% AFUE—can save you hundreds of dollars each year, compared to older furnaces
• Dual-fuel capability—can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs

• Duralok Plus™ heat exchanger—made of high-quality, patented ArmourTuf aluminized steel
• Hot surface igniter—controls furnace operation to ensure reliable, efficient performance