Lennox SL280V Variable-Speed, Two-Stage Gas Furnace
Reliable 80% AFUE Efficiency with Two-Stage Heating, Variable-Speed Comfort, and Ultra-Quiet Operation
Overview
The Lennox SL280V Variable-Speed Gas Furnace from the Dave Lennox Signature® Collection is designed to deliver consistent indoor comfort with quiet, dependable performance. With an efficiency rating of up to 80% AFUE, its two-stage heating system adjusts heat output to better match your home’s needs, helping reduce temperature fluctuations. The variable-speed blower provides a steady flow of air, while SilentComfort™ technology and sound-absorbing insulation help minimize operating noise. Additional features include enhanced humidity control, an insulated blower compartment, compatibility with air filters and humidifiers, ultra-low continuous fan operation, and dual-fuel capability when paired with compatible equipment.
| Brand | Lennox |
|---|
Specifications
| Specification | Details |
|---|---|
| Brand | Lennox |
| Product Name | SL280V Variable-Speed Gas Furnace |
| Collection | Dave Lennox Signature® Collection |
| Product Type | Gas Furnace |
| Heating Stages | Two-Stage |
| Blower Motor | Variable Speed |
| Maximum AFUE Rating | Up to 80% |
| Quiet Operation | SilentComfort™ Technology and Sound-Absorbing Insulation |
| Humidity Control | Enhanced Humidity Control |
| Blower Compartment | Insulated |
| Air Filter Compatible | Yes, with compatible accessories |
| Humidifier Compatible | Yes, with compatible accessories |
| Continuous Fan | Ultra-Low Continuous Fan |
| Dual-Fuel Capable | Yes, with compatible equipment |
| Ignition System | SureLight® Silicon Nitride Ignitor |
| Installation Configuration | Upflow/Horizontal or Downflow, depending on model |
| Heating Input | Varies by model; approximately 66,000–132,000 BTU/h for listed configurations |
| Electrical Requirements | Model-dependent; listed configurations include 115 VAC, single-phase, 60 Hz |
| Warranty | Limited parts and heat exchanger warranties; coverage and optional extensions depend on model, eligibility, and warranty terms |
| Price Guide | $$$ |
Features
- Up to 80% AFUE Efficiency: Converts up to 80% of the fuel it consumes into usable heat.
- Two-Stage Heating: Adjusts between two heating levels to better match your home’s comfort needs.
- Variable-Speed Blower Motor: Delivers a more consistent airflow and helps minimize temperature fluctuations.
- SilentComfort™ Technology: Designed for exceptionally quiet operation.
- Sound-Absorbing Insulation: Helps reduce operating noise for a quieter indoor environment.
- Enhanced Humidity Control: Helps support more comfortable indoor humidity levels.
- Insulated Blower Compartment: Helps reduce sound and support quiet performance.
- Air Filter and Humidifier Compatibility: Works with compatible indoor air quality accessories.
- Ultra-Low Continuous Fan: Provides continuous low-speed airflow when configured appropriately.
- Dual-Fuel Capability: Can be paired with compatible heat pump equipment for a dual-fuel system.
- SureLight® Silicon Nitride Ignitor: Provides reliable electronic ignition.
- Dave Lennox Signature® Collection: Designed to integrate with compatible Lennox comfort-system components.
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