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Lennox vs. Goodman Air Conditioners

Lennox and Goodman are among the most recognizable names in air conditioning, and both offer a range of reliable and efficient systems to suit various households. However, if you want the best, there’s definitely a clear winner among the two, and this guide will explain in detail why it’s Lennox.

We’ll discuss how both brands compare in terms of:

  • Performance and cooling power
  • Efficiency and energy savings
  • Durability and maintenance
  • Cost vs. value
  • Making the right choice for your home

Join us as we evaluate the performance and features of Lennox and Goodman air conditioners.


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Performance and Cooling Power

Lennox makes three tiers of air conditioners, improving accessibility for multiple budgets. However, each jump in tier tends to offer a significant increase in performance due to advanced features such as variable-speed operation and smart home technology.

Many Lennox air conditioners can accommodate temperature change increments as small as 1%, enabling rapid and precise adaptation to Arizona’s climate. Lennox’s smart technology adds to this by automatically adjusting performance according to home conditions and weather reports.

When comparing Goodman vs. Lennox, Goodman is a more budget-friendly brand. While the brand’s air conditioners are still reliable, you typically get single-speed operation, more noticeable temperature shifts, and less adaptability overall.

Efficiency and Energy Savings

Looking at the efficiency of a Goodman AC vs. a Lennox AC, there’s a noticeable gap between the two brands. Goodman’s premium GSXV9 features a SEER2 rating of 23.5, which, while high, is still lower than Lennox’s premium counterpart, the SL25XCV, which offers a SEER2 rating of 25.8.

Although a difference of 2.3 SEER2 points doesn’t seem high, each point represents about a 5% efficiency gain, so the Lennox SL25KCV is approximately 10% more efficient than the GSXV9. Arizona homeowners spend more on summer cooling than residents of any other state, so a 10% reduction to the $477 median running costs adds up quickly.

However, it’s important to note that the median is based on an average-sized home of 2,500 square feet. A 4,000-square-foot home has approximately 71% steeper cooling expenses, making the highest-efficiency air conditioners vital to keep energy bills down. You can cut costs further by prepping your AC for summer with a professional tune-up.

Durability and Maintenance

Air conditioners require regular attention from a skilled technician to maintain their performance and efficiency, so HVAC maintenance agreements are quite essential regardless of brand. However, a durable AC carries less risk of malfunctions and can better resist wear and tear. Again, durability is an arena where Lennox wins against Goodman.

Air conditioners from all three of Lennox’s tiers feature durable components. Signature Lennox AC systems take durability even further. With them, you get features such as:

  • Proprietary coil materials
  • PermaGuard casing
  • Precision-engineered parts

Goodman, in comparison, offers more standard cabinet construction and protective coatings. As a result, its AC systems typically require more maintenance.

Cost vs. Value

Lennox air conditioners are high-quality systems, so you’ll generally pay a little more to install one than you would for a Goodman AC. However, most Lennox AC units offer higher efficiency ratings. While the initial cost may be higher, the gap decreases over time.

You also need to factor in maintenance and repairs. Because Lennox is more durable, you can typically expect your Lennox AC to have a longer lifespan. An ideal way to assess value is by dividing the installation cost by the product’s effective lifespan. Since Lennox air conditioners generally last longer than Goodman units, they offer greater overall value.

Making the Right Choice for Your Home

Lennox and Goodman both make excellent air conditioners, and it’s important to consider the types of features you need before committing to a purchase. That said, Lennox edges ahead in terms of performance, reliability, efficiency, durability, and advanced technologies. As such, the brand offers superior immediate and long-term value for Arizona homeowners.


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  • Waived diagnostic fees