Dave Lennox Signature® Collection G71P Variable-Capacity Gas Furnace
Quiet Operation
- SilentComfort™ technology – Delivers the ultimate in quiet, consistent cooling
- Variable Speed Blower Motor
- Ramps up and down slowly so there’s no sudden, noisy blast of air at start-up
- Fully Insulated Cabient
- Patented noise-reducing construction further minimizes operating sound to an industry leading low level
Home Comfort
- Precise Comfort™ technology
- Automatically adjusts heat and airflow capacity in increments as small as 1% for the ultimate in temperature control
- AirFlex™ technology – Offers custom settings which can be selected to meet each home’s specific year-round comfort requirements
- Zoning – Compatible Design -
- Works with Lennox’s Harmony III™ zoning system to deliver the right amount of comfort for up to four zones
- Variable Speed Blower Motor – Provides a quiet, consistent flow of air for enhanced temperature and humidity control
- Variable-Capacity Operation – Goes beyond typical low and high two-stage operation, varying output from 40% to 100%
Energy Efficiency
- Efficiency rating of 95% AFUE – Can save you hundreds of dollars each year, compared to standard furnaces
- Energy Star qualified – Meets or exceeds EPA guidelines for energy efficiency
- Variable Speed Inducer – Automatically adjusts to match the system requirements, maintaining balanced combustion and efficiency
- Dual-fuel Capability
- Can be combined with an electric heat pump to enhance comfort and fuel efficiency by alternating between electric and gas heat, optimizing energy use and minimizing heating costs
Reliable Performance
- Duralok Plus® Heat Exchanger – Made of patented ArmorTuf™ steel to ensure high reliability and efficiency
- SureLight® Igniter – Silicone nitride construction ensures long product life and reliable operation
- SureLight® Control Board – Direct-readout diagnostics allow simple, quick troubleshooting
- Limited Lifetime Warranty on heat exchanger
- 10-Year Limited Warranty on covered components






