Lennox Air Conditioners

The summers are only getting hotter each year, so it’s wise to invest in quality air conditioning in St. Louis, Missouri. Controlled Heating & Air Conditioning, Inc., offers exceptional products from Lennox to St. Louis property owners. Whether you are interested in installing a new AC in your older home or are seeking someone with experience with HVAC in St. Louis, MO., to install an air conditioner in a brand new home, our business provides you with high-end selections that are sure to last.

The team at our business has been offering air conditioning in St. Louis, Missouri, for more than 35 years and is prepared to assist you! We understand that the summer can be unbearable without an AC unit that you can depend on, so we offer air conditioning units from Lennox in St. Louis that are sure to make things cool. Contact us today to ask about prices and learn more about HVAC in St. Louis, MO.

SL25KCV Air Conditioner

The Most Precise and Efficient Air Conditioner Available

  • Compliant with 2025 Refrigerant Regulations
  • Energy Efficiency: Up To 26.00 SEER2
  • Ultimate Comfort System™ Product
  • Stages Of Cooling: Variable-Capacity
  • Inverter Compressor
  • Precise Comfort® Technology
  • ENERGY STAR® Certified6
  • Quantum™ Coil
  • Sound Rating: As Low As 58 dB
  • Removes Humidity From The Home: Highest Removal Rate
  • Fully Digital
  • Qualifies for 25C Federal Tax Credit

Merit Series

Lennox Air Conditioner

ML18CX2 Air Conditioner

Mid-Efficiency, Two-Stage Air Conditioner

  • Energy Efficiency: Up To 18.00 SEER, 17.80 SEER2
  • Quantum™ Coil
  • Stages Of Cooling: Two-Stage Compressor
  • Sound Rating: As Low As 75 dB
  • ENERGY STAR® Certified
  • Removes Humidity From The Home: Higher Removal Rate
  • 5-Year Limited Warranty On Covered Components
Lennox Air Conditioner

16ACX Air Conditioner

Mid-Efficiency, Two-Stage Air Conditioner

  • Energy Efficiency: Up To 18.00 SEER, 16.20 SEER2
  • Stages Of Cooling: Two-Stage Compressor
  • Sound Rating: As Low As 75 dB
  • ENERGY STAR® Certified
  • Removes Humidity From The Home: Higher Removal Rate
  • 5-Year Limited Warranty On Covered Components
Lennox Air Conditioner

ML17XC1 Air Conditioner

Mid-Efficiency, Single-Stage Air Conditioner

  • Energy Efficiency: Up To 17.00 SEER, 16.20 SEER2
  • Quantum™ Coil
  • Stages Of Cooling: Single-Stage Compressor
  • Sound Rating: As Low As 73 dB
  • ENERGY STAR® Certified
  • Removes Humidity From The Home: High Removal Rate
  • 5-Year Limited Warranty On Covered Components
Lennox Air Conditioner

ML14XC1 Air Conditioner

Standard-Efficiency, Single-Stage Air Conditioner

  • Energy Efficiency: Up To 17.00 SEER, 15.20 SEER2
  • Quantum™ Coil
  • Stages Of Cooling: Single-Stage Compressor
  • Sound Rating: As Low As 73 dB
  • ENERGY STAR® Certified
  • Removes Humidity From The Home: High Removal Rate
  • 5-Year Limited Warranty On Covered Components
Lennox Air Conditioner

13ACX Air Conditioner

Standard-Efficiency, Single-Stage Air Conditioner

  • Energy Efficiency: Up To 13.00 SEER, 12.40 SEER2
  • Stages Of Cooling: Single-Stage Compressor
  • Sound Rating: As Low As 76 dB
  • Removes Humidity From The Home: High Removal Rate
  • 5-Year Limited Warranty On Covered Components

Elite Series

Lennox Air Conditioner

EL23XCV Air Conditioner

High-Efficiency, Digitally-Enabled, Variable-Capacity Air Conditioner

  • Energy Efficiency: Up To 22.00 SEER2
  • Stages Of Cooling: Variable-Capacity Inverter Compressor
  • Sound Rating: As Low As 59 dB
  • ENERGY STAR® Certified: Most Efficient 2023
  • Quantum™ Coil
  • Removes Humidity From The Home: Highest Removal Rate
  • Digital-Ready Unit
  • Digitally-Enabled Option
  • 10-Year Limited Warranty On Compressor
  • 5-Year Limited Warranty On Covered Components
Lennox Air Conditioner

XC20 Air Conditioner

High-Efficiency, Variable-Capacity Air Conditioner

  • Energy Efficiency: Up To 22.00 SEER, 19.00 SEER2
  • Stages Of Cooling: Variable-Capacity Inverter Compressor
  • Sound Rating: As Low As 65 dB
  • ENERGY STAR® Certified: Most Efficient 2022
  • Removes Humidity From The Home: Highest Removal Rate
  • Digitally-Enabled Option
  • 10-Year Limited Warranty On Compressor
  • 5-Year Limited Warranty On Covered Components
Lennox Air Conditioner

EL18XCV Air Conditioner

Mid-Efficiency, Digitally-Enabled, Variable-Capacity Air Conditioner

  • Energy Efficiency: Up To 18.00 SEER, 17.20 SEER2
  • Stages Of Cooling: Variable-Capacity Inverter Compressor
  • Sound Rating: As Low As 72 dB
  • ENERGY STAR® Certified
  • Quantum™ Coil
  • Removes Humidity From The Home: Highest Removal Rate
  • Digital-Ready Unit
  • Digitally-Enabled Option
  • 10-Year Limited Warranty On Compressor
  • 5-Year Limited Warranty On Covered Components
Lennox Air Conditioner

EL17XC1 Air Conditioner

Mid-Efficiency, Single-Stage Air Conditioner

  • Energy Efficiency: Up to 18.60 SEER, 17.40 SEER2
  • Stages Of Cooling: Single-Stage Compressor
  • Sound Rating: As Low As 72 dB
  • ENERGY STAR® Certified
  • Quantum™ Coil
  • Removes Humidity From The Home: High Removal Rate
  • 10-Year Limited Warranty On Compressor
  • 5-Year Limited Warranty On Covered Components
Lennox Air Conditioner

EL16XC1 Air Conditioner

Mid-Efficiency, Single-Stage Air Conditioner

  • Energy Efficiency: Up To 14.00 SEER, 15.20 SEER2
  • Stages Of Cooling: Single-Stage Compressor
  • Sound Rating: As Low As 71 dB
  • ENERGY STAR® Certified: Most Efficient 2023
  • Quantum™ Coil
  • Removes Humidity From The Home: High Removal Rate
  • 10-Year Limited Warranty On Compressor
  • 5-Year Limited Warranty On Covered Components
Lennox Air Conditioner

XC13 Air Conditioner

Standard-Efficiency, Single-Stage Air Conditioner

  • Energy Efficiency: Up To 16.00 SEER
  • Stages Of Cooling: Single-Stage Compressor
  • Sound Rating: As Low As 74 dB
  • Removes Humidity From The Home: High Removal Rate
  • 10-Year Limited Warranty On Compressor
  • 5-Year Limited Warranty On Covered Components