Site Information

 Loading... Please wait...
We are offering Free Delivery with Free Liftgate service on any orders of $95.00 or more.


Goodman 100,000 BTU 80% AFUE Downflow Gas Furnace Model GDS81005CX

Goodman 100,000 BTU 80% AFUE Downflow Gas Furnace Model GDS81005CX

Sale Price:

Choose Options

LP Conversion Kits
California District Compliance



Product Description

Goodman 100,000 BTU 80% AFUE Downflow Gas Furnace Model GDS81005CX

The Goodman 80% downflow furnance is designed for downflow installation in garage, basement, closet or utility room. This is a multi speed gas furnace that comes with aluminized patented tubular steel heat exchanger and highly efficient hot surface ignition system. Be assured to get the functional well-tested unit as it comes fully factory tested before it reaches you. The furnace can be vented through right, top, or left through a rotating combustion air blower. The blower cooling capacity is 3/3.5/4/5 tons. The furnace fuel can be converted to natural gas from propane.

The Goodman downflow furnace comes in an insulated steel cabinet, painted with baked enamel finish protecting the unit from UV rays and keeping it rust-proof.

Product Features

  • Dual-diameter tubular heat exchanger
  • Single-stage combination redundant gas valve
  • Norton hot surface mini-igniter
  • Quiet multi-speed direct-drive circulator blower motor
  • Furnace control board with self-diagnostics and low- voltage terminal block
  • Quiet single-speed, induced-draft blower
  • Certain models available with low NOx emissions

Cabinet Features

  • Foil-faced insulation lines the heat exchanger compartment
  • Factory sealed to achieve 2% or less leakage rate a t 1.0” water gauge external duct static pressure
  • Designed for multi-position installation: GMS8 and GHS8: upflow, horizontal left or right GDS8: dedicated downflow
  • Coil and furnace fit flush for most installations

Gas Furnace Brochure | Gas Furnace Specifications | Installation Instructions

Certain air quality districts in California charge an air quality mitigation fee on all gas furnaces installed within the district, including high efficiency gas furnaces. If your furnace is being shipped to one of these districts, please select the district in the "Choose Options" dropdown menu. If you have questions regarding the air quality disctricts please call us at 1-888-286-0211

Product Reviews

Find Similar Products by Category