Top 10 Central AC Units Compared

By Alex Lane | Your Home Comfort Advocate

Upgrading your central air conditioner in 2025? You’re not alone — with rising utility costs, new SEER2 regulations, and an increasing push for energy-efficient home systems, now’s the perfect time to make an informed decision.

But let’s face it — comparing central AC units can feel like swimming in a sea of specs, brand names, and confusing acronyms. That’s where this guide comes in. I’ve broken down 10 of the best-performing central AC units of 2025 based on efficiency, noise level, reliability, price, and real-world homeowner value.

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What Makes a Great Central AC in 2025?

Choosing the right central air conditioner goes beyond just picking the brand with the biggest name. In 2025, here’s what truly matters:

✅ SEER2 Efficiency

After January 1, 2023, all new central AC units must meet updated SEER2 (Seasonal Energy Efficiency Ratio 2) standards. Higher SEER2 means lower energy costs over time. The national minimum is now 14.3 SEER2 in the South and 13.4 SEER2 in the North.

🔇 Noise Level

Look for units with variable-speed compressors and insulated cabinets. A difference of just 5 decibels can mean the difference between “hum in the background” and “can’t hear the TV.”

🛠️ Reliability & Warranty

Check for 10+ year limited parts warranties and strong installer support networks. Sites like Consumer Reports and ENERGY STAR offer reliability ratings based on real homeowner feedback.

📲 Smart Features

Wi-Fi-enabled thermostats and diagnostic tools can boost comfort, simplify maintenance, and help optimize energy use.

💰 Upfront & Long-Term Costs

While a high-SEER2 unit may cost more upfront, the long-term savings can be significant. According to EnergySage, energy-efficient air conditioners use fewer watts per hour — which means lower electricity bills month after month, especially in hotter climates where AC runs more frequently.

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Quick Snapshot: Top Picks at a Glance

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The Top 10 Central AC Units (Detailed Comparison)

1. Carrier Infinity 26

Carrier’s flagship model is all about performance — boasting a SEER2 of 24 and ultra-quiet operation. With Greenspeed Intelligence, it adapts in real-time to your cooling needs. Ideal for homeowners in hot, humid climates.

Warranty: 10-year limited parts
Bonus: ENERGY STAR Most Efficient 2025 badge

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2. Trane XV20i

Known for rock-solid reliability, Trane delivers consistent performance with variable-speed cooling and a SEER2 rating of 21.5. It’s a bit pricier, but if you’re planning to stay in your home for the long haul, it’s a worthy investment.

Backed by one of the strongest dealer networks in the U.S.

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3. Lennox SL28XCV

One of the most energy-efficient units available today — period. This model hits a whopping 28 SEER2, making it ideal for climates where AC usage is year-round.

Features: Quantum Coil, iComfort® S30 thermostat integration
Certified by ENERGY STAR® for superior efficiency

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4. Goodman GSXC18

If you're looking for solid performance without breaking the bank, this is it. Goodman offers a respectable SEER2 of 18, with a lower price point and widely available replacement parts.

Great choice for rental properties or secondary homes

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5. Rheem Endeavor RA20

Rheem’s newest model balances modern tech and value. It comes with inverter-driven compressors, EcoNet monitoring, and a 20.5 SEER2 rating.

Pairs well with smart thermostats and app-based diagnostics

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6. American Standard Platinum 20

A sibling to the Trane XV20i, it delivers similar quality, comfort, and efficiency. Quiet operation and humidity control make it a favorite for southern homes.

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7. Bryant Evolution Extreme 26

Bryant’s answer to the Carrier Infinity. Same parent company, similar features, slightly lower cost. Expect variable-speed cooling, tight temperature control, and ultra-quiet operation.

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8. Amana AVXC20

With a SEER2 of 24.5 and a lifetime compressor warranty, this unit brings serious long-term peace of mind. ComfortBridge technology helps optimize performance based on your home’s airflow needs.

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9. York YXV 20

York’s top-tier model is compact, quiet, and efficient. Smart features include advanced diagnostics and compatibility with Wi-Fi controls.

Good option for homes with limited outdoor unit space

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10. Daikin DX20VC

Daikin’s inverter compressor and compatibility with multi-zone systems make this a great choice for smart homes and large households. Solid efficiency, quiet operation, and full remote access via Daikin One+.

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Rebates & Incentives: Don’t Skip This Part

With SEER2-compliant systems, you may qualify for up to $2,000 in federal tax credits under the Inflation Reduction Act — plus potential local utility rebates and manufacturer promotions.

Use the DSIRE database to find incentives available in your state or utility district.

Tip: Always ask your installer for an AHRI certificate and EnergyGuide label to verify rebate eligibility.

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So… Which Central AC Is Right for You?

Here’s how I’d recommend narrowing it down:

• Budget-conscious? Goodman GSXC18 or Rheem RA20

• Want the quietest system? Carrier Infinity 26 or Bryant Extreme 26

• Need max efficiency? Lennox SL28XCV

• Looking for top-tier warranty? Amana AVXC20

• Smart home integration? Daikin DX20VC or Rheem RA20

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Final Thoughts from Alex Lane

Choosing the right central AC system is one of the most important decisions you’ll make for your home comfort and utility bills. In 2025, the best systems balance efficiency, performance, and smart tech — but only when sized and installed correctly.

Remember: A high-SEER2 unit only pays off if it’s the right fit for your space.

➡️ Explore the best SEER2-rated central AC systems now on our collection page, and take the guesswork out of your cooling upgrade.

 

Alex Lane
Your Home Comfort Advocate