Furnace Replacement

Consistently Perfect

Precise Comfort® technology allows the SLP99V gas furnace to keep the temperature held exactly where you want it. Heat is even throughout your home, with no cold spots. If it sounds perfect, it’s because it is.

At up to 99 percent, “efficient” is an understatement.

More efficient than anything the industry has ever seen, this premier furnace boasts an efficiency rating of up to 99%—that means it essentially converts every last bit of energy it uses into heating the home. This furnace has also been designated as one of the Most Efficient ENERGY STAR® certified products in 2021.

Smarter Together

With the help of the iComfort® S30 ultra smart thermostat, the SLP99V gas furnace unlocks a world of connectivity. It stays finely tuned to your home by using sensors to react, diagnose, and troubleshoot—all while remaining in constant contact with your dealer to ensure proactive responses. Geofencing technology ensures your air turns on and off as you come and go. And the system even responds to the outdoor environment to adjust operation to account for factors like pollen and outdoor air quality.

Beyond Quiet

Even with all of its impressive power, this furnace is the quietest you can buy and has been engineered to run at variable speed to drastically minimize the sound of air kicking on or off inside the home.

Next-Level Performance

The Elite® Series model EL18XCV variable-speed air conditioner is your digital bridge into a world of perfect air. In fact, it’s the first variable-speed air conditioner of its kind. When paired with an iComfort®-enabled furnace or air handler and an iComfort® S30 thermostat, it maximizes its 18-SEER efficiency with modern communication features.

Precision Makes Perfect Comfort Possible

Perfect Air is maintained due to its ability to dynamically adapt to the temperature and humidity conditions of your home. And, when digitally enabled, this pro-active and responsive system provides remote diagnostics and troubleshooting that can notify you if it gets out of tune or needs maintenance.

Use Less Energy. Save More Money.

Due to impressive efficiency levels, this air conditioner can deliver substantial energy savings. In fact, it can help cut your energy bills by several hundred dollars each year.

Our Uncontested Quantum™ Coil

With years of rigorous testing under the most extreme conditions, our Quantum™ Coil–featuring a proprietary aluminum alloy exclusive to Lennox– is designed to weather the harshest elements.

A beautiful display of innovation and simplicity

HD Video Screen Savers automatically change to reflect current outdoor weather conditions. Available with iComfort S30 and E30 thermostats.

Active monitoring means you stay comfortable.

The iComfort S30 preserves comfort and peace of mind by actively monitoring system operations. Should any problem ever arise with your HVAC system, you and your dealer will be notified.

Save energy when you're away. But always come home to comfort

The iComfort® S30's Smart Away Mode uses the GPS in your smartphone to detect when you're leaving, and automatically increases system efficiency. If you or a family member returns home, Smart Away then returns your system to a normal schedule and comfortable temperature.

Get allergy relief exactly when you need it

The iComfort® S30's Allergen Defender monitors the air quality and pollen levels in your area, according to your ZIP code and automatically turns the fan on to clean your home's air when outdoor levels are high.