Lennox Product Details from Sunbelt Heating and Air Conditioning, Shawnee, OK

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The quietest furnace in its class*

Efficiency rating of 80% AFUE can save you hundreds of dollars each year** compared to older furnaces.

Variable speed technology delivers greater humidity control and consistent airflow for improved comfort and indoor air quality.

SilentComfort™ technology delivers the ultimate in quiet, consistent heating.

Ultra-low continuous fan speed provides a quiet, constant flow of air and optimizes indoor air quality accessories.

Improved cooling SEER efficiency is achieved by matching the SL280V with a Lennox air conditioner or heat pump.***

80% AFUE heating efficiency—rating can save you hundreds of dollars each year, compared to older furnaces
Improved cooling efficiency—achieved by matching with a Lennox air conditioner or heat pump, the SL280V will improve the system''s SEER**
Dual-fuel capability—can be combined with an electric heat pump to create a dual-fuel system. This combination minimizes heating costs by seamlessly alternating between the two energy sources, depending on outdoor conditions.
iComfort®-enabled technology—allows the furnace, when installed with the easy-to-use programmable iComfort Wi-Fi® thermostat, to exchange information and make adjustments as needed to optimize performance and efficiency†
Sealed blower compartment—minimizes losses and maximizes efficiency and comfort

The quietest furnace in its class^*—up to 4-1/2 times quieter than competitive models
SilentComfort™ technology delivers the ultimate in quiet, consistent heating.
Special sound-absorbing materials—further reduce sound for even quieter operation

Two-stage operation—provides more even temperatures in your home
Variable speed technology—delivers greater humidity control and consistent airflow for improved comfort and indoor air quality
Ultra-low continuous fan speed—provides a quiet, constant flow of air and optimizes indoor air quality accessories

Duralok™ heat exchanger—made of patented ArmourTuf™ steel. Life-tested in excess of agency requirements for long product life and durability
SureLight® igniter—silicone nitride construction ensures long product life and reliable operation
SureLight control board—controls furnace operation to ensure high reliability and efficiency
Durable steel cabinet—sleekly styled and made to last with a contoured design and high-quality paint finish