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Goodman
Goodman 100,000 BTU 96% AFUE Single Stage Gas Furnace

Goodman 100,000 BTU 96% AFUE Single Stage Gas Furnace

Best price now

$1,950.00at Alpine Home Air ProductsObserved at 8:43 AM

Compared across 4 stores. Prices are checked against each store and labelled with when.

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Our take on the Goodman 100,000 BTU 96% AFUE Single Stage Gas Furnace

The Goodman GMSS961004CN is a single-stage, 96% AFUE gas furnace rated at 100,000 BTU input, built for upflow or horizontal installation. It is Energy Star certified, ETL listed and AHRI certified, with a heavy-gauge steel cabinet and a high-static blower. The best new price is $1,950 at Alpine Home Air Products as of November 7, 2026, with 4 stores listing it new. At 96% AFUE it sits in the condensing, high-efficiency tier, so expect a PVC vent and condensate drain rather than a metal flue.

Best forWhole-home replacement in cold climatesUpflow or horizontal closet and basement installsBuyers pairing a furnace with an AC or heat pump coilShoppers who want high efficiency at a lower upfront price
Pros
  • 96% AFUE condensing efficiency, Energy Star certified
  • 100,000 BTU input suits mid-to-large homes
  • Single-stage operation keeps controls and parts simple
  • High-static blower handles longer duct runs and coils
  • Compact 14-inch-wide cabinet fits tight closets
  • Heavy-gauge steel cabinet with ETL and AHRI certification
Cons
  • Single-stage runs at full output only, so temperature swings are wider than with a two-stage unit
  • Condensing design needs PVC venting and a condensate drain, which limits retrofit spots
  • Not for sale in California
  • Installation and gas line work require a licensed contractor
  • No variable-speed blower, so it is louder and less dehumidifying than premium models

Goodman 100,000 BTU 96% AFUE Single Stage Gas Furnace prices at every store

  • Alpine Home Air ProductsNew

    In stock

    $1,950.00Observed at 8:43 AM
    Visit Alpine Home Air Products
  • The AC OutletNew

    In stock

    $2,108.00Observed at 8:43 AM
    Visit The AC Outlet
  • Skip The WarehouseNew

    In stock

    $2,197.00Observed at 8:43 AM
    Visit Skip The Warehouse
  • WalmartNew

    In stockSold by The AC Outlet LLC

    $2,424.20Observed at 8:43 AM
    Visit Walmart

Also available at

  • Home Essentials DirectCheck price at Home Essentials Direct
  • Hvacsaver.comCheck price at Hvacsaver.com
  • Klondike ACCheck price at Klondike AC
  • Neobits.comCheck price at Neobits.com
  • South Mini SplitsCheck price at South Mini Splits
  • Voomi SupplyCheck price at Voomi Supply

Goodman 100,000 BTU 96% AFUE Single Stage Gas Furnace price history

Lowest price we've seen: $1,950.00 on Nov 7 at Alpine Home Air Products. Tracked across 10 stores since Nov 7.

What reviewers say

Owner feedback on Goodman's 96% single-stage furnaces is mixed. Buyers like the price and the efficiency rating, while contractors and owners report that reliability depends heavily on install quality and that parts support is a common gripe.

What people mention
  • EfficiencyPraisedOwners report lower gas bills after swapping older 80% furnaces for this 96% AFUE unit.
  • ReliabilityMixedSome owners go years without trouble, while others report failed igniters, inducers or control boards.
  • NoiseCriticisedThe single-stage blower and inducer are louder than variable-speed furnaces, especially at startup.
  • InstallationMixedContractors say performance and longevity hinge on correct venting, gas pressure and duct sizing.
  • PricePraisedBuyers consistently call it one of the cheapest ways into 96% condensing efficiency.

Specifications

Device Type
Gas Furnace
System Type
HVAC system
Energy Efficiency Rating
96% AFUE
Energy Star Certified
Yes
Capacity
100k BTU
Pressure Rating
High static
Heating Type
Gas Furnace

Questions and answers

Is 100,000 BTU enough for my house?
It suits roughly 2,500 to 3,500 square feet in a cold climate, but sizing depends on insulation, windows and ductwork. Have a contractor run a Manual J load calculation before buying.
Does this furnace need special venting?
Yes. At 96% AFUE it is a condensing furnace, so it vents through PVC pipe and needs a condensate drain. It cannot use an existing metal flue.
Can it be installed horizontally?
Yes. It is rated for upflow and horizontal installation, which covers basement, closet and attic layouts. Downflow is not supported.
What size breaker does it need?
A 20-amp circuit is recommended for the furnace's electrical connection. Gas piping and low-voltage thermostat wiring are separate.
Is it available in California?
No. The manufacturer lists it for nationwide sale except California, where stricter NOx rules apply.
When is the price lowest?
Furnace prices tend to dip in spring and early summer, outside heating season. The best new price was $1,950 at Alpine Home Air Products as of November 7, 2026.
Where is the Goodman 100,000 BTU 96% AFUE Single Stage Gas Furnace cheapest?
At Alpine Home Air Products, for $1,950.00, as of our latest check.
Where can I buy the Goodman 100,000 BTU 96% AFUE Single Stage Gas Furnace?
10 stores we checked sell it, including Alpine Home Air Products, The AC Outlet, Skip The Warehouse, Walmart, Home Essentials Direct.

Stores we've priced the Goodman 100,000 BTU 96% AFUE Single Stage Gas Furnace at

  • Walmart deals and prices

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All Goodman deals and products →
Installation Type
Upflow/Horizontal
Depth
29 in
Height
34-1/2 in
Width
14 in
Weight
105.000 lb (Shipping Weight)
Voltage
Low-voltage (terminals), 120-volt (for humidifiers), 24-volt (for humidifiers)
Amperage
20 Amps (recommended breaker size)
Power Source
Gas
Environment Type
Nationwide (Except CA)
Housing Material
Heavy-gauge steel
Certifications
ETL Listed, AHRI Certified, Energy Star