Lennox Dave Lennox Signature Collection SL28XCV Review

❄️Lennox SL28XCV Air Conditioner Review

The Lennox SL28XCV Air Conditioner Review is the most advanced and energy-efficient air conditioner Lennox has ever produced. Featuring a variable-speed inverter compressor and an industry-leading SEER rating of up to 28, it represents the pinnacle of residential cooling technology.

Designed for homeowners who want maximum comfort, ultra-quiet operation, and cutting-edge efficiency, the SL28XCV delivers unmatched performance—though at a premium price. This review covers its efficiency, features, pricing, warranty, and how it compares within the Lennox lineup to help you decide if it’s the right system for your home.

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⭐ SL28XCV — In a Nutshell

• Installed Price Range (Canada): $5,000 – $7,500+

• Efficiency Rating: Up to 28 SEER

• Compressor Type: Variable-speed inverter

• Sound Rating: As low as 56 dB

• ENERGY STAR® Certified: Yes (Most Efficient 2022)

• Best For: Homeowners seeking maximum efficiency, precision comfort, and ultra-quiet performance
  
  Why Choose It: Industry-leading efficiency with intelligent variable-speed control

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🧊 SL28XCV at a Glance

Top Features

• Highest residential AC efficiency available (up to 28 SEER)

• Variable-speed inverter compressor (near-continuous low-power operation)

• ENERGY STAR® Most Efficient award winner

• Extremely quiet outdoor operation

• Quantum™ Coil for superior corrosion resistance

• Precise Comfort® technology for fine-tuned output control

• Compatible with iComfort® S30 ultra smart thermostat

• Part of Lennox’s Ultimate Comfort System

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🧊 The Bottom Line

The Lennox SL28XCV Air Conditioner Review delivers unmatched efficiency and precision. Its variable-speed compressor runs almost continuously at low speeds, maintaining steady, whisper-quiet comfort while consuming minimal energy.

This technology ensures:

• Consistent indoor temperatures (no hot or cold spots)

• Exceptional humidity control

• Long-term energy savings

That said, a 28 SEER system is more power than most Canadian homeowners need. In Canada’s moderate summer climate, an air conditioner with a SEER between 16 and 18 typically offers the best value. While the SL28XCV guarantees elite performance, its higher upfront cost may outweigh the potential energy savings in cooler regions.

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⚙️ Product Specifications

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🛠️ Design & Performance Features

⚙️ Core Performance & Build Features

• Variable-speed inverter technology for precise output control

• Precise Comfort® modulation adjusts cooling in small increments

• Quantum™ Coil resists corrosion and harsh weather

🛠️ Installation & Service-Friendly Design

• SmartHinge™ panels for easier service access

• PermaGuard™ cabinet protects against rust and damage

• Designed for seamless integration with Lennox’s Ultimate Comfort System

🌡️ Smart Thermostat Integration

When connected to the iComfort® S30 ultra smart thermostat, the SL28XCV unlocks advanced smart features like:

• Geofencing – adjusts cooling based on your location

• System diagnostics and remote troubleshooting

• Air quality and pollen level response – automatically adjusts to maintain cleaner indoor air

• Remote control and scheduling via mobile app

🧰 Additional Highlights

• Precise Comfort® technology maintains stable temperature and humidity levels

• Ultra-quiet performance even during peak operation

• Durable PermaGuard™ cabinet for long-lasting protection

• Easy access for service and maintenance

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🧾 Warranty Coverage

• 10-Year Limited Parts Warranty (including compressor)

• Registration required within 60 days of installation

• Option to exchange part of the parts warranty for a labor warranty, a unique Lennox benefit

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➕ Pros & Cons

Pros

• Highest SEER rating available

• Ultra-quiet operation

• Outstanding humidity and temperature control

• Advanced smart-home integration

• Premium Lennox build quality

Cons

• High upfront cost

• Efficiency exceeds practical needs for many Canadian homes

• Requires compatible smart thermostat for full functionality

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🔍Comparable Models by Lennox

1. SL28XCV vs. Merit ML14XC1

The ML14XC1 is an entry-level model with a single-stage compressor and a 17 SEER rating. It’s ENERGY STAR® certified and much more affordable ($3,500–$5,000 installed), but it lacks the quiet, precise control and efficiency of the SL28XCV.
While the ML14XC1 features the same Quantum™ Coil, it’s not compatible with Lennox’s smart thermostat and doesn’t provide advanced humidity control.

Summary:
The ML14XC1 is affordable and efficient, but the SL28XCV delivers far superior comfort, control, and long-term energy savings.

2. SL28XCV vs. Elite XC20

The Elite XC20 sits in Lennox’s mid-range lineup and may be a more practical choice for many Canadian homes.
It features a variable-speed compressor, SEER up to 20, and ENERGY STAR® certification — providing many of the same comfort and efficiency benefits as the SL28XCV, but at a lower cost.
Both units were awarded ENERGY STAR’s Most Efficient 2022, and both operate quietly, making the XC20 an excellent cost-effective alternative.

Summary:
The XC20 offers nearly the same comfort at a lower price, making it the smarter choice for most Canadian homes.

3. SL28XCV vs. Signature XC21

The XC21, another premium-tier model, uses a two-stage compressor rather than variable-speed technology.
It offers a 21 SEER rating, ENERGY STAR® certification, and compatibility with Lennox smart thermostats — but it lacks the Quantum™ Coil and the precision modulation of the SL28XCV.
While both promise quiet, efficient performance, the SL28XCV remains superior in energy savings and comfort control.

Summary:
The XC21 delivers excellent two-stage comfort, but the SL28XCV leads in efficiency, quietness, and precision control.

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✅ Final Thoughts

The Lennox SL28XCV Air Conditioner Review is the pinnacle of home cooling technology, offering the highest efficiency, ultra-quiet operation, and precise temperature control.

However, its premium cost and extreme SEER rating make it best suited for:

• Homeowners in hot climates

• Those seeking maximum energy efficiency and quiet performance

• Smart home enthusiasts who want full system connectivity

For most Canadian households, a slightly less powerful model — like the EL18XCV or XC20 — will deliver nearly identical comfort and efficiency at a more practical price point.

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📌 How Soon Are You Planning to Buy?

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📍Top Cities We Serve Across Canada

We proudly help homeowners across Canada compare AC get installation quotes, and connect with trusted HVAC contractors.

Top service cities include:

Hamilton • Burlington • Brantford • Cambridge • Kitchener • Milton • Oakville

Whether you’re replacing an old HVAC system or comparing installation quotes, our certified contractors serve all major regions across Ontario and beyond.

👉 Explore more service locations here

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🏆 Our HVAC Partners Are Members of Leading Canadian Associations

We work with installers who are members of:

• Mechanical Contractors Association of Canada
• Canadian Institute of Plumbing & Heating
• Thermal Environmental Comfort Association
• Heating, Refrigeration and Air Conditioning Institute of Canada

These affiliations ensure certified workmanship, safety compliance, and consistent installation quality across the country.

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💰What Affects Air Conditioner Pricing?

Air conditioner installation costs in Canada vary based on:

Home size & AC capacity – Bigger homes need larger units.
→ Learn more: HVAC Sizing

Installation complexity – Electrical upgrades, line sets, or duct fixes add cost.
→ Find installers: Find a Company

Location & contractor rates – Prices vary by province and local labour costs.
→ Explore brands: A/C Manufacturers

Repair vs. replacement – Full replacements cost more than simple fixes.
→ Service areas: Cities We Serve

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⭐ Lennox SL28XCV Air Conditioner Review – FAQs

1. Is the Lennox SL28XCV worth the price?
Yes, if you want maximum efficiency, ultra-quiet operation, and advanced comfort control. It’s best for homeowners seeking top-tier performance.

2. What is the SEER rating of the Lennox SL28XCV?
The SL28XCV offers up to 28 SEER, making it one of the most energy-efficient air conditioners available.

3. Is the SL28XCV good for Canadian climates?
It works well, but most Canadian homes won’t fully benefit from 28 SEER. Models in the 16–20 SEER range often offer better value.

4. How quiet is the Lennox SL28XCV?
Extremely quiet—operates as low as 56 dB, one of the quietest residential AC units on the market.

5. Does the SL28XCV support smart thermostats?
Yes, it’s fully compatible with the Lennox iComfort® S30 smart thermostat for advanced automation and diagnostics.

6. What warranty comes with the Lennox SL28XCV?
It includes a 10-year limited parts warranty (with registration) and optional labour warranty upgrades.

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📞 Ready to Install Lennox SL28XCV ?

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