Collection: Upflow Furnaces
Shop Upflow Gas Furnaces for Basement and Closet Installs
An upflow furnace pulls air in from the bottom and pushes heated air upward, the right choice when your ductwork runs above the unit, as it does with a furnace in a basement or a first-floor closet. Shop Goodman and ACiQ upflow gas furnaces, including R-32 and propane compatible models, all with free shipping. If your ducts run beneath the floor instead, you likely need a downflow furnace.
Find Your Perfect HVAC System
The fastest & easiest way to narrow down your options
Find Your Perfect HVAC System
The fastest & easiest way to narrow down your options
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Goodman 80,000 BTU 80% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 17.5″ Wide
Model: GR9S800803BN5.0 / 5.0
(5) 5 total reviews
Regular price $1,235.00Regular priceUnit price / perSale price $1,235.00 -
Goodman 80,000 BTU 96% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 17.5″ Wide
Model: GR9S960803BN5.0 / 5.0
(5) 5 total reviews
Regular price $1,986.00Regular priceUnit price / perSale price $1,986.00 -
Goodman 60,000 BTU 80% Single Stage Gas Furnace, Upflow/Horizontal - 14" wide
Model: GR9S800603AN5.0 / 5.0
(6) 6 total reviews
Regular price $1,174.00Regular priceUnit price / perSale price $1,174.00 -
Goodman 100,000 BTU 80% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 21″ Wide
Model: GR9S801005CN5.0 / 5.0
(3) 3 total reviews
Regular price $1,507.00Regular priceUnit price / perSale price $1,507.00 -
Goodman 120,000 BTU 96% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 24.5″ Wide
Model: GR9S961205DN5.0 / 5.0
(1) 1 total reviews
Regular price $2,578.00Regular priceUnit price / perSale price $2,578.00 -
Goodman 100,000 BTU 96% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 21″ Wide
Model: GR9S961005CN5.0 / 5.0
(4) 4 total reviews
Regular price $2,382.00Regular priceUnit price / perSale price $2,382.00 -
Goodman 80,000 BTU 92% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 17.5″ Wide
Model: GR9S920803BN5.0 / 5.0
(1) 1 total reviews
Regular price $1,770.00Regular priceUnit price / perSale price $1,770.00 -
Goodman 40,000 BTU 80% Single Stage Gas Furnace, Upflow/Horizontal, 14" Wide
Model: GR9S800403AN5.0 / 5.0
(3) 3 total reviews
Regular price $1,100.00Regular priceUnit price / perSale price $1,100.00 -
Goodman 60,000 BTU 96% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 17.5″ Wide
Model: GR9S960603BN5.0 / 5.0
(3) 3 total reviews
Regular price $1,877.00Regular priceUnit price / perSale price $1,877.00 -
Goodman 80,000 BTU 96% AFUE Two Stage Gas Furnace, Upflow/Horizontal, 17.5″ Wide
Model: GR9T960803BN5.0 / 5.0
(1) 1 total reviews
Regular price $2,256.00Regular priceUnit price / perSale price $2,256.00 -
Goodman 60,000 BTU 92% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 17.5″ Wide
Model: GR9S920603BN4.67 / 5.0
(3) 3 total reviews
Regular price $1,684.00Regular priceUnit price / perSale price $1,684.00 -
Goodman 120,000 BTU 80% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 24.5″ Wide
Model: GR9S801205DNRegular price $1,734.00Regular priceUnit price / perSale price $1,734.00 -
Goodman 100,000 BTU 96% AFUE Two Stage Gas Furnace, Upflow/Horizontal, 21″ Wide
Model: GR9T961005CN5.0 / 5.0
(3) 3 total reviews
Regular price $2,576.00Regular priceUnit price / perSale price $2,576.00 -
Goodman 100,000 BTU 92% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 21″ Wide
Model: GR9S921005CNRegular price $2,188.00Regular priceUnit price / perSale price $2,188.00 -
Goodman 40,000 BTU 96% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 14″ Wide
Model: GR9S960403AN5.0 / 5.0
(2) 2 total reviews
Regular price $1,749.00Regular priceUnit price / perSale price $1,749.00 -
Goodman 60,000 BTU 96% AFUE Two Stage Gas Furnace, Upflow/Horizontal, 17.5″ Wide
Model: GR9T960603BNRegular price $1,940.00Regular priceUnit price / perSale price $1,940.00 -
Goodman 120,000 BTU 96% AFUE Two Stage Gas Furnace, Upflow/Horizontal, 24.5″ Wide
Model: GR9T961205DN5.0 / 5.0
(1) 1 total reviews
Regular price $2,629.00Regular priceUnit price / perSale price $2,629.00 -
Goodman 100,000 BTU 80% AFUE Two Stage Gas Furnace, Upflow/Horizontal, 21″ Wide
Model: GR9T801005CNRegular price $1,654.00Regular priceUnit price / perSale price $1,654.00 -
Goodman 120,000 BTU 80% AFUE Two Stage Gas Furnace, Upflow/Horizontal, 24.5" Wide
Model: GR9T801205DN5.0 / 5.0
(1) 1 total reviews
Regular price $1,867.00Regular priceUnit price / perSale price $1,867.00 -
Goodman 60,000 BTU 96% AFUE Two Stage Gas Furnace, Upflow/Horizontal, 14″ Wide
Model: GR9T960603AN5.0 / 5.0
(1) 1 total reviews
Regular price $1,958.00Regular priceUnit price / perSale price $1,958.00 -
Goodman 40,000 BTU 92% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 14″ Wide
Model: GR9S920403ANRegular price $1,520.00Regular priceUnit price / perSale price $1,520.00 -
Goodman 120,000 BTU 92% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 24.5″ Wide
Model: GR9S921205DNRegular price $2,306.00Regular priceUnit price / perSale price $2,306.00 -
Goodman 80,000 BTU 96% AFUE Two Stage Gas Furnace, Upflow/Horizontal, 21″ Wide
Model: GR9T960804CNRegular price $2,421.00Regular priceUnit price / perSale price $2,421.00 -
Goodman 80,000 BTU 96% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 21″ Wide
Model: GR9S960805CNRegular price $2,288.00Regular priceUnit price / perSale price $2,288.00 -
Goodman 80,000 BTU 96% AFUE Two Stage Variable Speed Gas Furnace, Upflow/Horizontal, 21" Wide
Model: GRVT960804CNRegular price $2,953.00Regular priceUnit price / perSale price $2,953.00 -
Goodman 80,000 BTU 80% AFUE Two Stage Gas Furnace, Upflow/Horizontal, 17.5″ Wide
Model: GR9T800803BNRegular price $1,405.00Regular priceUnit price / perSale price $1,405.00 -
Goodman 100,000 BTU 97% AFUE Modulating Variable Speed Gas Furnace, Upflow/Horizontal, 21" Wide
Model: GRVM971005CNRegular price $3,560.00Regular priceUnit price / perSale price $3,560.00 -
Goodman 60,000 BTU 80% AFUE Single Stage Gas Furnace, Upflow/Horizontal, 17.5″ Wide
Model: GR9S800603BNRegular price $1,239.00Regular priceUnit price / perSale price $1,239.00


















