100,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2000 CFM Multi-Speed Blower, Downflow Application
100,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2000 CFM Multi-Speed Blower, Downflow Application
Model: Goodman GCES801005CN (Item No. 723284) (Item No. 725732)


Model: Goodman GCES801005CN (Item No. 723284) (Item No. 725732)
Delivers consistent reliable warmth year after year
Sturdy design for long term durability
Built for simple installation and easy maintenance
Peace of mind with 10 year warranty (with registration)
Was: $1,150.00
Savings: $211.40
- Pro Installation (Learn More)

To use LP fuel, this unit requires an LP Conversion Kit. See Accessories
This Goodman 80% 100,000 BTU, GCES801005CN, Downflow Furnace has some cosmetic damage incurred during shipping. Dented on the bottom of the back panel and bottom left side. For detailed photos please click 'See Additional Images' above. This Goodman 80% 100,000 BTU, GCES801005CN, Downflow Furnace meets the full manufacturer's specifications, comes with the full manufacturer's warranty, and includes Alpine's premium guarantee.
For product specs and photographs of product in its original condition, click here.
This Goodman 80% 100,000 BTU, GCES801005CN, Downflow Furnace has some cosmetic damage incurred during shipping. This unit is dented on the bottom of the back panel and bottom left side. For detailed photos please click 'See Additional Images' above. This Goodman 80% 100,000 BTU, GCES801005CN, Downflow Furnace meets the full manufacturer's specifications, comes with the full manufacturer's warranty, and includes Alpine's premium guarantee.
For product specs and photographs of product in its original condition, click here.
The Goodman GCES8 dedicated downflow (blows air into ducts located below it) gas furnaces features a patented aluminized steel tubular heat exchanger and high-efficiency hot surface ignition system. These furnaces are run-tested for heating or combination heating/cooling applications. With a heavy-gauge, reinforced, wrap-around insulated steel cabinet and durable baked enamel finish, these gas heaters can be installed in a utility room, closet, alcove, basement or attic. (Not intended for use in mobile homes).
Important Safety Notice
Features
- Operates as a natural gas furnace out of the box, and can be easily converted to a propane furnace with optional propane conversion kit (see Accessories tab).
- Corrosion-resistant, aluminized-steel furnace tubular heat exchanger
- Designed for dedicated downflow installations
- Energy-saving, reliable furnace hot surface ignition system with patented adaptive learning algorithm to maximize igniter life
- Aluminized furnace steel inshot burners
- Energy-saving ECM, multi-speed, direct drive furnace blower motor
- Heater has quiet, corrosion-resistant induced draft blower assembly
- Integrated furnace control with diagnostics
- Low voltage terminal blocks
- Multiple flame roll-out switches, blower door safety switch, outlet air-limit switch and pressure switch for proof of combustion air
- 40VA transformer for heating and air conditioning control service
- Combination redundant furnace gas valve and regulator
- A rotating combustion air blower (Goodman GMS8) that provides the option of venting the furnace through the top, right-hand side or left-hand side
- Completely assembled, factory run-tested furnace for heating or combination heating/cooling application
- Specific Goodman furnace models comply with California NOx Standards (models that end in "X")
- Heavy-gauge, reinforced, fully insulated steel cabinet with durable baked-enamel finish
- Attractive architectural gray paint finish
- Foil-face insulation lines the furnaces' heat exchanger compartment
- Coil and furnace fit flush for easy installation
- Convenient left or right connection for gas and electric service
- This gas furnace has removable, solid-bottom block off
Enjoy free shipping on any accessories purchased with the Goodman GCES801005CN (Item No. 723284) (Item No. 725732).
- Standard AC Wiring Diagrams(PDF, 2.49 MB)
- Goodman Furnace User Manual 2019(PDF, 1.18 MB)
- GMES8 GCES8 Brochure(PDF, 761 KB)
- Goodman GMES8 GCES8 Installation Instructions 2022(PDF, 2.54 MB)
- Goodman GMES8 GCES8 Specifications Sheet 2021(PDF, 1.52 MB)
- Wire Gauge Sizes(PDF, 40.9 KB)