First Call Heating and Air Conditioning - Products - Furnaces

Dave Lennox Signature G71P. Dave Lennox Signature® Collection G71P Variable-Capacity Gas Furnace - The quietest furnace you can buy - and one of the most efficient!

SilentComfort™ technology - Delivers the ultimate in quiet, consistent heating
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

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' 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%

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.

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