Lennox Merit Series 80% Efficiency Gas Furnace

Lennox’s Merit series gas furnace in standard efficiency is Lennox’s entry level gas furnace. The single stage operation (one heat production output level and one fan speed) has been the go to design and operation of gas furnaces since their inception. This is Lennox’s most affordable gas furnace.

Key Features

  • Energy Efficiency - Up to 80% of heat produced delivered into the home
  • Single stage operation (one output level)
  • Duralok Plus™ heat exchanger—made of high-quality, patented ArmourTuf aluminized steel
  • Sealed blower compartment helps reduce noise
  • Flame free hot surface ignition
  • Air filtration cabinet with air filter
  • Natural gas or propane compatible
  • 20 year limited heat exchanger warranty
  • 5 year parts limited warranty (up to 10 years if you register at http://lennox.com)
  • 3 year labor warranty
  • Energy Efficiency - Up to 80% of heat produced delivered into the home
  • Air filtration cabinet with air filter
  • Single stage operation (one output level)
  • Natural gas or propane compatible
  • Duralok Plus™ heat exchanger—made of high-quality, patented ArmourTuf aluminized steel
  • 20 year limited heat exchanger warranty
  • Sealed blower compartment helps reduce noise
  • 5 year parts limited warranty (up to 10 years if you register at http://lennox.com)
  • Flame free hot surface ignition
  • 3 year labor warranty

Ratings

Energy Efficiency
Quiet Level
Durability
Better Business Bureau
Energy Star
NATE certification
Senior Discounts
Angies List
Best Redmond