The Goodman GMH80804BN furnace features a two-stage burner with a multi-speed blower motor. This furnace can be installed in both upflow and horizontal configurations and features an aluminized-steel tubular heat exchanger and durable Silicon Nitride Hot Surface Ignition system. These furnaces are run tested for heating or combination heating and cooling applications. With a heavy-gauge, reinforced, insulated steel cabinet and durable baked enamel finish, this gas heater can be installed in a variety of locations. Not intended for use in mobile homes.

The Goodman GMH80804BN furnace has a 80% AFUE rating which means that for every every $1.00 you spend, 80 cents goes towards heating your home.

Furnace Features

• Patented TuffTube™ dual-diameter tubular heat exchanger with lifetime limited warranty plus 10-year furnace replacement limited warranty (with online registration)
• Two-stage gas valve with revolutionary new Dual$aver control technology that allows installer to turn on two-stage operation with the flip of a dipswitch
• Silicon Nitride igniter with patented adaptive learning routine for maximum igniter life
• Energy-saving, quiet four-speed direct-drive circulator blower motor
• Integrated electronic furnace control board with self-diagnostics, low-voltage terminal block, and separate terminals for electronic air cleaner and 24-volt humidifiers
• Control board stores the last five diagnostic codes in memory; simple push-button activation outputs the fault history to a flashing red LED
• Low constant fan mode allows the homeowner to activate the lowest available heating speed to circulate air quietly and efficiently throughout the home during the off cycle
• Self-adjusting feature automatically adjusts furnace to high or low stage based on outside temperature without outdoor temperature sensor

To comply with efficiency requirements in California this unit will be automatically upgraded to the Low Nox Approved furnace when shipping to California