Collection: Downflow Furnaces

Shop Downflow Gas Furnaces and Electric Furnaces for Homes and Mobile Homes

A downflow furnace pulls air in from the top and pushes heated air downward, making it the right choice when your ductwork runs beneath the floor. That is why downflow gas furnaces and specialized electric units are common in mobile homes and homes built on crawl spaces. Browse our selection of Goodman models and mobile home AC and furnace systems, including energy efficient R32 and propane compatible units with free shipping. If your ductwork sits in a basement and blows warm air up through floor registers, explore our upflow furnaces or complete gas furnace and AC combos to find the exact configuration for your home.

Goodman 60,000 BTU Gas Furnace 80% AFUE Single-Stage, 14" Wide, Downflow/Horizontal

Goodman 60,000 BTU Gas Furnace 80% AFUE Single-Stage, 14" Wide, Downflow/Horizontal

Model: GD9S800603AN

1 total reviews

Regular price $1,260.00

Regular price Sale price $1,260.00
Unit price per
Goodman 80,000 BTU Gas Furnace 80% AFUE Single-Stage, 17.5" Wide, Downflow/Horizontal

Goodman 80,000 BTU Gas Furnace 80% AFUE Single-Stage, 17.5" Wide, Downflow/Horizontal

Model: GD9S800804BN

3 total reviews

Regular price $1,460.00

Regular price Sale price $1,460.00
Unit price per
Goodman 80,000 BTU Gas Furnace 96% AFUE Single-Stage, 21" Wide, Downflow/Horizontal

Goodman 80,000 BTU Gas Furnace 96% AFUE Single-Stage, 21" Wide, Downflow/Horizontal

Model: GD9S960804CN

Regular price $2,228.00

Regular price Sale price $2,228.00
Unit price per
Goodman 100,000 BTU Gas Furnace 80% AFUE Two-Stage, 21" Wide, Downflow/Horizontal

Goodman 100,000 BTU Gas Furnace 80% AFUE Two-Stage, 21" Wide, Downflow/Horizontal

Model: GD9T801005CX

Regular price $1,720.00

Regular price Sale price $1,720.00
Unit price per
Goodman 60,000 BTU Gas Furnace 96% AFUE Single-Stage, 17.5 Wide, Downflow/Horizontal

Goodman 60,000 BTU Gas Furnace 96% AFUE Single-Stage, 17.5 Wide, Downflow/Horizontal

Model: GD9S960603BN

4 total reviews

Regular price $1,931.00

Regular price Sale price $1,931.00
Unit price per
Goodman 80,000 BTU Gas Furnace 96% AFUE Two-Stage, 17.5" Wide, Downflow/Horizontal

Goodman 80,000 BTU Gas Furnace 96% AFUE Two-Stage, 17.5" Wide, Downflow/Horizontal

Model: GD9T960803BN

Regular price $2,462.00

Regular price Sale price $2,462.00
Unit price per
Goodman 40,000 BTU Gas Furnace 96% AFUE Two-Stage, 17.5 Wide, Downflow/Horizontal

Goodman 40,000 BTU Gas Furnace 96% AFUE Two-Stage, 17.5 Wide, Downflow/Horizontal

Model: GD9T960403BN

Regular price $2,052.00

Regular price Sale price $2,052.00
Unit price per
Goodman 60,000 BTU Gas Furnace 96% AFUE Two Stage-Variable Speed, Downflow/Horizontal

Goodman 60,000 BTU Gas Furnace 96% AFUE Two Stage-Variable Speed, Downflow/Horizontal

Model: GDVT960603BN

Regular price $2,701.00

Regular price Sale price $2,701.00
Unit price per
Goodman 40,000 BTU Gas Furnace 80% AFUE Single-Stage, 14" Wide, Downflow/Horizontal

Goodman 40,000 BTU Gas Furnace 80% AFUE Single-Stage, 14" Wide, Downflow/Horizontal

Model: GD9S800403AN

Regular price $1,190.00

Regular price Sale price $1,190.00
Unit price per
Goodman 60,000 BTU Gas Furnace 96% AFUE Two-Stage, 17.5 Wide, Downflow/Horizontal

Goodman 60,000 BTU Gas Furnace 96% AFUE Two-Stage, 17.5 Wide, Downflow/Horizontal

Model: GD9T960603BN

Regular price $2,187.00

Regular price Sale price $2,187.00
Unit price per
Goodman 100,000 BTU Gas Furnace 80% AFUE Single-Stage, 21" Wide, Downflow/Horizontal

Goodman 100,000 BTU Gas Furnace 80% AFUE Single-Stage, 21" Wide, Downflow/Horizontal

Model: GD9S801005CN

Regular price $1,635.00

Regular price Sale price $1,635.00
Unit price per
Goodman 100,000 BTU Gas Furnace 96% AFUE Single-Stage, 21" Wide, Downflow/Horizontal

Goodman 100,000 BTU Gas Furnace 96% AFUE Single-Stage, 21" Wide, Downflow/Horizontal

Model: GD9S961005CN

1 total reviews

Regular price $2,470.00

Regular price Sale price $2,470.00
Unit price per
Goodman 120,000 BTU Gas Furnace 96% AFUE Single-Stage, 24.5" Wide, Downflow/Horizontal

Goodman 120,000 BTU Gas Furnace 96% AFUE Single-Stage, 24.5" Wide, Downflow/Horizontal

Model: GD9S961205DN

Regular price $2,702.00

Regular price Sale price $2,702.00
Unit price per
Goodman 40,000 BTU Gas Furnace 96% AFUE Single-Stage, 17.5" Wide, Downflow/Horizontal

Goodman 40,000 BTU Gas Furnace 96% AFUE Single-Stage, 17.5" Wide, Downflow/Horizontal

Model: GD9S960403BN

1 total reviews

Regular price $1,856.00

Regular price Sale price $1,856.00
Unit price per
Goodman 100,000 BTU Gas Furnace 96% AFUE Two-Stage, 21" Wide, Downflow/Horizontal

Goodman 100,000 BTU Gas Furnace 96% AFUE Two-Stage, 21" Wide, Downflow/Horizontal

Model: GD9T961005CN

Regular price $2,663.00

Regular price Sale price $2,663.00
Unit price per
Goodman 80,000 BTU Furnace Gas/Propane 80% Two-Stage, 17.5" Wide, Downflow/Horizontal

Goodman 80,000 BTU Furnace Gas/Propane 80% Two-Stage, 17.5" Wide, Downflow/Horizontal

Model: GD9T800804BX

Regular price $1,575.00

Regular price Sale price $1,575.00
Unit price per
Goodman 60,000 BTU Gas Furnace 97% AFUE Modulating Variable Speed, 24.5 Wide, Downflow/Horizontal

Goodman 60,000 BTU Gas Furnace 97% AFUE Modulating Variable Speed, 24.5 Wide, Downflow/Horizontal

Model: GDVM970603BN

Regular price $3,036.00

Regular price Sale price $3,036.00
Unit price per
Goodman 80,000 BTU Gas Furnace 97% AFUE Modulating Variable Speed, 17.5 Wide, Downflow/Horizontal

Goodman 80,000 BTU Gas Furnace 97% AFUE Modulating Variable Speed, 17.5 Wide, Downflow/Horizontal

Model: GDVM970803BN

Regular price $3,463.00

Regular price Sale price $3,463.00
Unit price per
Goodman 80,000 BTU Gas Furnace 97% AFUE Modulating Variable Speed, 21" Wide, Downflow/Horizontal

Goodman 80,000 BTU Gas Furnace 97% AFUE Modulating Variable Speed, 21" Wide, Downflow/Horizontal

Model: GDVM970804CN

Regular price $3,511.00

Regular price Sale price $3,511.00
Unit price per
Goodman 100,000 BTU Gas Furnace 97% AFUE Modulating Variable Speed, 21" Wide, Downflow/Horizontal

Goodman 100,000 BTU Gas Furnace 97% AFUE Modulating Variable Speed, 21" Wide, Downflow/Horizontal

Model: GDVM971005CN

Regular price $3,663.00

Regular price Sale price $3,663.00
Unit price per
Goodman 40,000 BTU Gas Furnace 96% AFUE Two-Stage Variable Speed, 17.5" Wide, Downflow/Horizontal

Goodman 40,000 BTU Gas Furnace 96% AFUE Two-Stage Variable Speed, 17.5" Wide, Downflow/Horizontal

Model: GDVT960403BN

Regular price $2,600.00

Regular price Sale price $2,600.00
Unit price per
Goodman 80,000 BTU Gas Furnace 96% AFUE Two Stage-Variable Speed, 21" Wide, Downflow/Horizontal

Goodman 80,000 BTU Gas Furnace 96% AFUE Two Stage-Variable Speed, 21" Wide, Downflow/Horizontal

Model: GDVT960804CN

Regular price $3,140.00

Regular price Sale price $3,140.00
Unit price per
Goodman 100,000 BTU Gas Furnace 96% AFUE Two Stage-Variable Speed, 21" Wide, Downflow/Horizontal

Goodman 100,000 BTU Gas Furnace 96% AFUE Two Stage-Variable Speed, 21" Wide, Downflow/Horizontal

Model: GDVT961005CN

Regular price $3,296.00

Regular price Sale price $3,296.00
Unit price per
Goodman 120,000 BTU Gas Furnace 96% AFUE Two Stage-Variable Speed, 24.5" Wide, Downflow/Horizontal

Goodman 120,000 BTU Gas Furnace 96% AFUE Two Stage-Variable Speed, 24.5" Wide, Downflow/Horizontal

Model: GDVT961205DN

Regular price $3,434.00

Regular price Sale price $3,434.00
Unit price per

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Collection: Downflow Furnaces

Shop Downflow Gas Furnaces and Electric Furnaces for Homes and Mobile Homes

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