Lennox AC Reviews: Top Models, Features, and Customer Experiences

HVAC Logo IconBy HVAC.comMarch 21, 2024
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Learn What Homeowners Are Saying About Their Lennox Air Conditioners

When the summer sun beats down mercilessly, a reliable air conditioning system becomes a non-negotiable. Lennox, a leading name in HVAC technology, offers a robust selection of air conditioners to keep your home cool and comfortable throughout the hottest months. But with an array of models boasting various features and capacities, choosing the perfect Lennox AC unit for your needs can feel overwhelming.

HVAC.com’s comprehensive guide dives into the specifics of Lennox air conditioners, exploring their strengths, functionalities, and Lennox AC reviews.

Lennox AC Units: Renowned for Quality and Efficiency

Lennox has carved a niche for itself in the HVAC industry by consistently delivering quality products. Lennox air conditioners are renowned for their:

  • Durability: Backed by top-notch engineering and constructed with premium materials, Lennox AC units are built to endure, offering years of dependable cooling performance.
  • Efficiency: Lennox prioritizes energy efficiency, translating into significant cost savings on your energy bills. Many Lennox AC models boast impressive SEER (Seasonal Energy Efficiency Ratio) ratings, signifying their ability to cool your home effectively while consuming minimal energy.
  • Quiet Operation: No one enjoys the constant hum of an air conditioner. Lennox air conditioners are engineered for quiet operation, ensuring a peaceful and comfortable indoor environment.
  • Advanced Features: Lennox equips its AC units with innovative features that enhance comfort, improve air quality, and simplify maintenance.

Exploring the Lennox AC Lineup: Tailored Comfort for Every Home

Lennox offers a diverse range of air conditioner models to cater to the unique cooling requirements of various homes. Here’s a closer look at some of Lennox’s most popular offerings:

Dave Lennox Signature® Collection

This premium collection represents the pinnacle of Lennox air conditioning technology. These units boast industry-leading SEER ratings, superior sound reduction, and intelligent features for unparalleled comfort and efficiency.

Dave Lennox Signature® Collection SL28XCV

This air conditioner prioritizes efficiency, quiet operation, and smart functionalities. It boasts a SEER rating of up to 28, making it one of the most efficient Lennox AC units available. This translates to significant cost savings on your energy bills. The SL28XCV incorporates a variable-capacity compressor, which modulates cooling power and minimizes noise levels, ensuring a peaceful and comfortable home environment. Additionally, for those seeking a truly smart home experience, the SL28XCV seamlessly integrates with the iComfort® S30 ultra smart thermostat.

Here’s what the Lennox AC unit reviews have to say about this model:

  • “We bought it for (its quiet operation). It was worth the money to avoid the sound of an airplane landing outside when we needed cooling.”
  • “Variable speed compressor AND the iComfort S30 thermostat are excellent for humidity control.”
  • “The quietest air conditioner I have ever heard.”

Dave Lennox Signature® Collection XC21

This top-of-the-line model features a SEER rating of up to 21 for increased energy savings, features SilentComfort™ technology for whisper-quiet operation and PerfectFit™ technology for seamless integration into existing ductwork. Lennox HVAC reviews laud the XC21 for its exceptional efficiency and quiet operation:

  • “I absolutely LOVE it. They are very quiet, put out more air than I ever expected, and keep the house cooler on a higher setting than our old units. And if all that isn’t enough, our first month’s electric bill was $85 less than the one last year in the same month. I will be a Lenox customer for life.”
  • “Quiet operation, eliminated hot and cold spots in our home. We love the interaction with the S30 thermostat.”

Elite Series

The Elite Series strikes a perfect balance between efficiency and affordability. These models deliver exceptional cooling performance while maintaining energy-conscious operation.

Elite Series EL23XCV

The Lennox EL23XCV air conditioner is designed for both quiet and efficient operation. It features variable-capacity operation that adjusts cooling output based on your needs, potentially saving you hundreds of dollars on your annual energy bills. With up to 22 SEER efficiency, this model is also ENERGY STAR certified.

Elite Series XC20

The Lennox XC20 air conditioner is a variable-capacity unit that adjusts its cooling output to meet your needs, potentially leading to increased efficiency and lower energy bills. The Lennox XC20 boasts a SEER rating of up to 22, signifying excellent efficiency, and has also earned the ENERGY STAR® designation. Customers commend the XC20 for its quiet operation and effective cooling power in Lennox AC reviews:

  • “Very impressed with the unit’s ability to keep humidity down in Houston all the while running at low speed.”
  • “Beautiful AC. Quiet, energy efficient, and extremely comfortable.”

Elite Series EL18XCV

The Lennox EL18XCV air conditioner prioritizes efficiency and user convenience. It features variable-speed technology that tailors cooling output to your needs, potentially reducing energy consumption and costs. The EL18XCV is compatible with iComfort®-enabled furnaces and thermostats, allowing for a maximized efficiency setup. This air conditioner is also ENERGY STAR® qualified with a SEER of up to 18. An additional perk is the ability to remotely diagnose and troubleshoot the system for added convenience.

Here's what customers are saying about this model in the Lennox AC unit reviews:

  • “I love how quiet it is and my cost to run this air conditioner is very low.”
  • “The EL18XCV air conditioner is a game changer for us. Coupled with our high-efficiency Lennox furnace, you would never know that the system is cooling.”

Elite Series EL17XC1

The Lennox Elite Series EL17XC1 air conditioner prioritizes efficiency and durability. It’s a single-stage unit, operating at full capacity when cooling your home. Despite this, it achieves a high SEER rating of up to 18.6, signifying exceptional energy efficiency.

Elite Series EL16XC1

The EL16XC1 air conditioner from Lennox is a budget-friendly option within the Elite Series, but that doesn’t mean it skimps on performance. This single-stage unit offers efficient cooling with a SEER rating of up to 17, potentially leading to significant energy cost savings compared to older models. It’s also built with durability in mind, featuring the PermaGuard™ cabinet for weather resistance and SilentComfort™ technology for quiet operation.

Lennox AC reviews praise the EL16XC1 for its affordability, efficient cooling, and quiet operation, making it a strong contender for homeowners seeking a reliable AC unit without breaking the bank.

  • “Our new high-efficiency system has made a tremendous difference in the whole-house cooling of our home. No longer does the system run continuously, as was the case with the previous units.”
  • “This unit sits outside by my bedroom & we keep the air at 68 degrees...and we don’t hear the unit at all.”

Elite Series XC13

Available in the northern region, this single-stage unit operates at full capacity to deliver cool air throughout your home. While its SEER rating isn’t the highest on the Lennox spectrum, reaching up to 16, it still offers significant energy savings compared to older models. The XC13 boasts features like the PermaGuard™ cabinet for weather resistance and operates at sound levels as low as 74 dB, ensuring relatively quiet operation. It’s compatible with the Humiditrol® whole-home dehumidification system, allowing you to achieve optimal comfort by controlling both temperature and humidity levels.

Homeowners are praising this unit in their Lennox AC reviews:

  • “Very happy with our purchase. The unit is quiet enough that it’s not a nuisance even though it had to go very close to our patio.”
  • “Our XC13 A/C was a significant upgrade from our prior unit. The XC13 is quiet, efficient and looks great.”

Merit Series

The Merit Series prioritizes affordability without compromising on quality. These models offer dependable cooling at an attractive price point.


This 2-stage air conditioner provides balanced comfort and efficiency. It operates at two speeds, using the lower setting for most cooling needs, resulting in consistent temperatures and potentially lower energy bills. It boasts a SEER rating of up to 18, making it an energy-efficient option within the Merit Series.

Here’s what the Lennox HVAC reviews have to say about this model:

  • “I love this unit. It is very quiet, and we saw 60% savings compared to my 25-year-old previous system!”


This single-stage unit offers a balance of affordability and efficiency. With a SEER rating of up to 17, it delivers efficient cooling and significant energy cost savings compared to older models. Lennox backs this model with a standard 5-year warranty on covered components, with a 10-year extended warranty available for added peace of mind.

The Lennox AC reviews show great customer satisfaction with this unit:

  • “We immediately noticed improvements in our comfort and electricity bills. We no longer hear our system, and we also no longer experience our system running all day.”
  • “Saved 45% on electric bills this summer. I love it and would recommend it to any friend/family member!”


This air conditioner prioritizes affordability within the Merit Series. It achieves a SEER rating of up to 18, offering efficient cooling and potentially significant energy-cost savings compared to older models. The 16ACX utilizes multi-stage technology, allowing it to operate at lower speeds during moderate cooling needs. This translates to more consistent temperatures and potentially lower energy bills.

Lennox AC unit reviews show many happy homeowners:

  • “My 16ACX Air Conditioner was installed in August in the heat of summer. It runs great and is quiet compared to my neighbors. It is nice to sit outside on the deck in the shade and hardly hear it running.”
  • “This unit is amazing! I am able to run my thermostat 4 degrees higher at night and be just as cool as I was on my old unit. I’ve already seen the benefits on my power bill.”


This single-stage air conditioner prioritizes affordability. It achieves a SEER rating of up to 17, ensuring efficient cooling and potentially lowering your energy bills. Built with user convenience in mind, it operates at sound levels as low as 73 dB, creating a relatively quiet environment.

Homeowners are saying the following about the ML14XC1 in their Lennox AC reviews:

  • “This air conditioner is awesome! It’s so great to be cool again after putting up with a dying unit for two summers.”
  • “With the extra hot temperatures this summer in Spring TX, it has certainly kept our home much more comfortable.”
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