SL280UH090V36B, 80% AFUE, Upflow/Horizontal, Gas Furnace, Variable Speed, 2 Stage, 90,000 Btuh, 3 Ton, DLSC Series

Cat # : 78W69 | Model/Part #: SL280UH090V36B

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Related Products

Dave Lennox Signature® Collection

SL280V Variable Speed Gas Furnace

The quietest furnace in its class

The SL280UH090V36B is designed to deliver cozy and reliable warmth, while keeping operating sounds at a minimum. It's also engineered to perform at peak efficiency, so your customers can enjoy substantial energy savings compared to an older system.

Upflow/Horizontal

Energy Efficiency

  • 80% AFUE heating efficiency—rating can save 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

Quiet Operation

  • 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

Home Comfort

  • Two-stage operation—provides more even temperatures inside the 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

Reliable Performance

  • 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

*Criteria used in this example are 2,000 full-load heating hours, with a 60,000 Btuh heating design load and $1.368 ccf for gas. Actual savings may vary, depending on the weather patterns in local area, local fuel rates and individual lifestyle.

**Proper sizing and installation of equipment is critical to achieve optimal performance. Verify actual system efficiency at www.ahridirectory.org

***iComfort Wi-Fi® Touchscreen thermostat must be installed with an iComfort-enabled indoor unit for maximum performance.

Brand Lennox
Catalog Number 78W69
Model/Part Number SL280UH090V36B
Minimum Order Quantity 0.0
Base Unit of Measure Unit(S)
Product Depth 27.75 IN
Product Height 33 IN
Product Width 17.5 IN
Blower Motor Variable Speed
Configuration Upflow/Horizontal
iComfort Enabled true
Heating Type 2 Stage
Input 2 kBTU 88
Input 1 kBTU 57
Return Opening 16 x 23.5 IN
Supply Opening 16.375 x 19.4375 IN
Gross Weight 144 LB
Length 32.5 IN
Family SL280UHV
Efficiency 80.0 AFUE
Series Dave Lennox Signature Collection

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