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Merit® Series 14 SEER Single-Stage ML14 Air Conditioner

Merit® Series 14 SEER Single-Stage ML14 Air Conditioner

Top highlights

  • Reliable Cooling Performance: Up to 17 SEER or 13.4 SEER2 rating ensures consistent comfort and energy savings
  • Quiet Operation: Precision-balanced direct-drive fan ensures smooth, quiet airflow
  • Durable Construction: Galvanized steel cabinet with baked-on powder finish for long-lasting protection
  • Energy-Efficient Compressor: High-efficiency scroll compressor delivers consistent cooling and long-term reliability
  • Eco-Friendly Refrigerant: Uses chlorine-free R-410A for environmentally responsible performance
  • Smart Thermostat Compatible: Easily integrates with smart home systems for better control
  • Warranty: 10-Year limited warranty on covered components
  • Available Sizes: 1.5 to 5 tons (18,000 to 60,000 BTU)

Price Range: $$3200-$4500

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Merit® Series 14 SEER Single-Stage ML14 Air Conditioner The Lennox ML14 air conditioner is engineered to offer reliable, energy-efficient comfort at an affordable price. With a SEER rating of up to 17 SEER, it meets modern efficiency standards and delivers quiet, consistent cooling for your home. This single-stage unit includes a high-efficiency scroll compressor and direct-drive fan to reduce energy use and noise. Built with a heavy-duty galvanized steel cabinet and powder-coated finish, it’s made to withstand the elements. When paired with compatible indoor units, the ML14 delivers enhanced performance, greater humidity control, and improved overall home comfort.
  • Efficiency Management:
  • SEER Rating: Up to 17
  • SEER2 Rating: Up to 13.4
  • Cooling Type: Single-stage
  • ENERGY STAR®: May qualify when matched in system
  • Refrigerant: R-410A (environmentally friendly)
  • Compressor: High-efficiency scroll
  • Technology:
  • Noise Control: Quiet, direct-drive fan design
  • Smart Thermostat Ready: Compatible with most programmable and Wi-Fi thermostats
  • Protection Features: Factory-installed filter drier extends system life
  • System Match: Pairs seamlessly with Lennox Merit® series air handlers and coils
  • Cooling Capacity: 18,000–60,000 BTUs (1.5–5 tons)
  • Build & Appearance:
  • Cabinet Material: Galvanized steel
  • Finish: Baked-on powder coat
  • Design Profile: Low-profile, space-saving outdoor unit
Expert Installation and Guarantees
At HVAC Ontario, our certified Lennox-trained technicians provide professional installation that meets all manufacturer specifications. We don’t just install your air conditioner—we back it with industry-leading guarantees to ensure your peace of mind:
  • No Lemons Guarantee: If your compressor fails twice in the first 5 years, we’ll replace the unit free.
  • $250 No Frustration Guarantee: No cooling? We’ll have a technician at your home within 48 hours—or we’ll pay you $250.
  • Next Day or $100 Off: Schedule before 12 PM and get next-day installation—or receive $100 off your invoice.
Warranty Options
  • 10-Year Limited Warranty: On covered components when you register your new ML14 unit.

5-Star Google Reviews

Our customers' satisfaction speaks volumes. See why HVAC Ontario is trusted by homeowners everywhere.

After a frustrating 5 days with Enercare and no hot water, HVAC Ontario came to the rescue. They answered my questions with clarity, provided excellent service, and installed a new tankless water heater within 24 hours.

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Claudia Morrison

HVAC Ontario offered a competitive quote and great service. The technician was punctual and professional, and the installation was completed quickly and cleanly. Highly recommend their team!

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Ainee Chung

The team at HVAC Ontario is fantastic. They truly care about customer comfort, offer competitive pricing, and provide high-quality equipment and service. I couldn't be more pleased.

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Shamez Kassam

Abdul and his team were fantastic and professional. I got quotes for a tankless heater from a few places but Abdul's was not only the best, he was the most knowledgeable in the product.

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Derrick Ho

An amazing level of customer service before, during, and after the install. Highly recommend to anyone considering such work to be done in their home.

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Denis Dalton

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