Lennox SLP99V Variable-Capacity Gas Furnace
Up to 99% AFUE Efficiency with Precise Comfort, Variable-Speed Performance, and Ultra-Quiet Operation
Overview
The Lennox SLP99V Variable-Capacity Gas Furnace from the Dave Lennox Signature® Collection is designed to deliver exceptional energy efficiency and precise home comfort. With an AFUE rating of up to 99%, this ENERGY STAR® qualified furnace converts nearly all the fuel it consumes into usable heat. Its modulating heating operation and variable-speed motor help maintain consistent indoor temperatures while reducing noticeable temperature fluctuations. SilentComfort™ technology, combined with a fully insulated cabinet and blower compartment, supports exceptionally quiet performance. The SLP99V also offers enhanced humidity control, compatibility with air filters and humidifiers, dual-fuel capability, and smart-system integration when paired with compatible Lennox controls.
| Brand | Lennox |
|---|
Specifications
| Specification | Details |
|---|---|
| Brand | Lennox |
| Product Collection | Dave Lennox Signature® Collection |
| Product Name | SLP99V Variable-Capacity Gas Furnace |
| Product Type | High-Efficiency Gas Furnace |
| Fuel Type | Natural Gas or Propane, depending on configuration |
| Maximum AFUE Rating | Up to 99% |
| ENERGY STAR® Certified | Yes |
| Heating Stages | Modulating |
| Blower Motor | Variable Speed |
| Quiet Operation | SilentComfort™ Technology and Insulated Cabinet |
| Comfort Technology | Precise Comfort® |
| Humidity Control | Enhanced humidity control |
| Blower Compartment | Insulated |
| Air Filter Compatibility | Yes, with compatible filters |
| Humidifier Compatibility | Yes, with compatible humidifiers |
| Continuous Fan Operation | Ultra-Low Continuous Fan |
| Dual-Fuel Capability | Yes, with compatible heat pump |
| Ignition System | SureLight® Silicon Nitride Ignitor |
| Smart Control Compatibility | Compatible Lennox communicating thermostats, including the S40 |
| Heating Input Capacity | Approximately 66,000–132,000 BTU/h, depending on model |
| Cooling System Compatibility | Designed for compatible add-on cooling systems |
| Electrical Supply | 115 V, single-phase, 60 Hz, for listed configurations |
| Cabinet Configuration | Upflow/Horizontal or Downflow, depending on model |
| Residential Warranty | Standard limited warranty and eligible extended coverage, subject to Lennox terms |
| Heat Exchanger Warranty | 20-year or Lifetime Limited Warranty, depending on applicable terms and model |
Features
- Up to 99% AFUE Efficiency: Converts up to 99% of fuel energy into usable heat, helping reduce energy waste and heating costs.
- ENERGY STAR® Qualified: Meets applicable ENERGY STAR® efficiency requirements.
- Modulating Heating: Adjusts heating output to help maintain consistent indoor temperatures and reduce temperature fluctuations.
- Variable-Speed Blower Motor: Delivers controlled airflow for enhanced comfort throughout the home.
- SilentComfort™ Technology: Designed to minimize operating noise for quieter heating performance.
- Fully Insulated Cabinet: Helps reduce sound transmission and supports efficient operation.
- Precise Comfort® Technology: Helps maintain the selected temperature with fewer noticeable hot and cold spots.
- Enhanced Humidity Control: Supports improved indoor comfort by helping manage humidity when paired with compatible equipment.
- Smart Thermostat Compatibility: Integrates with compatible Lennox communicating controls, including the Lennox S40 Smart Thermostat.
- Ultra-Low Continuous Fan: Provides a low-speed fan operation option for continuous air circulation.
- Air Filter and Humidifier Compatibility: Designed to work with compatible indoor air quality accessories.
- Dual-Fuel Capability: Can be paired with a compatible heat pump in a dual-fuel system.
- SureLight® Ignition: Uses a silicon nitride ignitor for reliable burner ignition.
- System Integration: Can be integrated into a compatible Lennox Ultimate Comfort System™ for coordinated home comfort.
- Limited Warranty: Warranty coverage depends on the exact model, registration, and applicable Lennox warranty terms.
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