back to blog

Lennox vs. Rheem Air Conditioners

Listed among the most recognizable air conditioner brands, Lennox and Rheem feature technological innovations, making it easier than ever to control your home’s climate. However, these brands differ regarding longevity, energy efficiency, and reliability, with Lennox offering superior long-term performance.

This article provides an in-depth look at key topics to help you make an informed decision when considering Rheem vs. Lennox air conditioners:

  • Cooling efficiency and energy usage
  • Technology and features comparison
  • Build quality and system longevity
  • Cost of ownership: Short term vs. Long term
  • Finding the best fit for your home

Read on to learn more about these respected brands and how they compare.


Upgrade to a Lennox Air Conditioner with Champion Air—Call Today!

As the Lennox Premier Dealer for the Phoenix Valley area, Champion Air offers fast and reliable service with your air conditioner installation or repair. We help keep you cool all season long with 24/7 emergency and same-day service. Our Better Business Bureau A+ rating means you can trust us to provide quality solutions. Contact us today for more information.

Schedule Service


Cooling Efficiency and Energy Usage

When comparing Rheem AC vs. Lennox units, looking at the seasonal energy efficiency ratio can help you assess value and potential savings. Anything above a SEER2 rating of 16 is considered energy efficient.

Rheem’s top models have a SEER2 rating of up to 20, making them a competitive option. However, Lennox outperforms the competition with a rating of up to 25 across its Dave Lennox Signature Collection models. These units provide a high degree of cooling efficiency that keeps up with the Valley’s heat and helps lower utility bills.

Technology and Features Comparison

Technological features make it easy to customize your home’s comfort settings. An easy-to-use interface lets you set up a daily temperature schedule, adjust your home’s climate in real time, and monitor usage. Smart thermostat integration offers these features, making full home automation a reality.

Lennox offers outstanding tools and features such as Precise Comfort, which automatically adjusts airflow in increments as small as 1% for fine-tuned temperature adjustments. Additionally, its iComfort smart thermostat actively monitors your air conditioner’s operations, alerting you to issues, reminding you to change filters, and managing your home’s climate. It also uses GPS to detect when you’re leaving or arriving home and make temperature adjustments to maximize efficiency.

Rheem offers EcoNet Smart Thermostat integration, which comes with many of the same smart features including geofencing, scheduling, and remote systems management. However, it doesn’t compare to Lennox’s comprehensive suite of comfort control technologies.

Build Quality and System Longevity

Most air conditioners have a lifespan of 10 to 12 years. Lennox ensures quality and reliability in its air conditioners by using only high-grade materials and performing rigorous testing. Every unit also comes with a generous warranty. This ensures that in the unlikely event you experience problems with your unit, you won’t face costly repairs.

Rheem also offers high-quality products and components, though its testing process isn’t as rigorous as Lennox’s. Additionally, while it has an extended warranty available for purchase, this warranty lacks the scope and customization Lennox offers.

Cost of Ownership: Short Term vs. Long Term

When considering the cost of owning an air conditioner, it’s important to look at the upfront costs and what you should expect to pay over the unit’s lifetime. Considering both the short- and long-term expenses can help you maximize your investment.

Rheem offers more budget-friendly upfront pricing and may be an attractive option for those seeking an economical cooling solution. While Lennox’s units have a higher price tag, they’re typically more affordable in the long run due to their reduced maintenance needs and lower energy bills.

Finding the Best Fit for Your Home

Rheem and Lennox both provide high-quality cooling solutions for your home or business, featuring reliable performance and cutting-edge technology. Because Phoenix is one of the hottest metropolitan areas in the United States, choosing an air conditioner that provides exceptional performance year after year is essential.

While Rheem offers a solid budget-friendly option for homeowners, Lennox outperforms the competition with its outstanding warranty, rigorous standards, and energy efficiency.


Discover Superior Cooling with Lennox—Contact Champion Air Now!

Time to replace your air conditioner? Awarded and reputable since 1982, Champion Air offers comprehensive HVAC services for your home or business. Discover the Champion Air difference by calling us today!

Need Help?

We’ll handle it. No Excuses!

Our Promotions

Thank you! First Responders, Teachers, and Veterans receive up to $1,500 off a new A/C system
Champion Air truck and team
Introducing ChampionCare: The Most Popular Maintenance Plan in the Valley
  • 2 maintenance visits per year
  • Members-only hotline for faster service
  • 15% off any repairs needed
  • 24/7 Online Portal Access
  • Waived diagnostic fees
Champion Air truck and team Champion Air truck and team
Introducing ChampionCare: The Most Popular Maintenance Plan in the Valley Exclusive Savings. Faster Service. Unbeatable Value.
  • 2 maintenance visits per year
  • Members-only hotline for faster service
  • 15% off any repairs needed
  • 24/7 Online Portal Access
  • Waived diagnostic fees