
GD9S800804MBN Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $1387.00 | Condition is Open box, Goodman 80000 BTU 80% Upflow Gas Furnace, GD9S800804MBN, Scratch & Dent, FREE SHIPPING | 99.1% |

The Goodman GD9S800804MBN 80000 80 Upflow Gas Furnace is a reliable and efficient heating solution for your home. This furnace is designed with a 96% AFUE rating, meaning it converts 96% of the fuel it consumes into heat for your home, making it an excellent choice for those seeking energy savings.
The GD9S800804MBN is an 80,000 BTU input furnace, making it suitable for larger homes or those with extensive heating requirements. The upflow design allows the furnace to be installed in spaces where a traditional downflow furnace may not fit, such as in crawl spaces or basements where ductwork runs above the furnace.
This Goodman furnace features a multi-port, low nit-oxide burner for cleaner combustion and reduced emissions. It also includes a modulating gas valve that adjusts the furnace output in small increments to maintain a consistent temperature. The variable-speed ECM motor on the blower provides quiet and efficient operation, while also providing better air filtration.
The furnace's cabinet is constructed of heavy-gauge steel for durability and rigidity, and it includes a factory-installed filter rack and cabinet insulation for added efficiency and comfort. The GD9S800804MBN is also equipped with a reliable and durable hot surface igniter for reliable ignition and easy maintenance.
Additionally, the furnace includes a factory-installed condensate drain kit, making it compatible for use with a condensing flue system for maximum efficiency. The furnace also comes with a limited lifetime warranty on the heat exchanger and a 10-year limited warranty on the covered components.
Overall, the Goodman GD9S800804MBN 80000 80 Upflow Gas Furnace is a high-performance, energy-efficient heating solution for your home. Its quiet operation, clean combustion, and reliable ignition make it an excellent choice for those seeking both comfort and savings.
The Goodman GD9S800804MBN 80000 BTU 80% AFUE Upflow Gas Furnace is a popular choice among homeowners due to its energy efficiency and affordability. Here are some pros and cons that can help you make an informed decision about purchasing this furnace:
Pros:1. Energy Efficiency: With an AFUE rating of 80%, this furnace is more energy-efficient than older models, which can result in significant energy savings over time.
2. Affordable: Compared to some other brands, the Goodman GD9S800804MBN is relatively affordable, making it an attractive option for homeowners on a budget.
3. Durable: Goodman is known for manufacturing reliable and durable furnaces, and the GD9S800804MBN is no exception. It features a heavy-gauge steel cabinet and a multi-position intake grille for flexibility in installation.
4. Quiet Operation: This furnace operates quietly, which can be a significant advantage for homeowners who are sensitive to noise.
Cons:1. Limited Warranty: The standard warranty for this furnace covers only the heat exchanger for 10 years and the other parts for just one year. However, extended warranties are available at an additional cost.
2. Single-Stage: The GD9S800804MBN is a single-stage furnace, which means it operates at one constant speed. While this is sufficient for most homes, it may not provide the same level of comfort as a two-stage or modulating furnace.
3. Manual Ignition: This furnace features a manual ignition system, which may not be as convenient as electronic ignition systems.
Conclusion:The Goodman GD9S800804MBN 80000 BTU 80% AFUE Upflow Gas Furnace offers energy efficiency, affordability, durability, and quiet operation. However, it has a limited warranty, operates as a single-stage furnace, and features a manual ignition system. Ultimately, the decision to purchase this furnace depends on your personal preferences and priorities. If energy efficiency and affordability are your top priorities, then this furnace may be a good choice for you. However, if you are willing to pay more for additional features and a longer warranty, you may want to consider other options.
Recommendation:If you are in the market for a new gas furnace and are looking for a balance of energy efficiency, affordability, and durability, then the Goodman GD9S800804MBN may be a good option to consider. However, I would recommend getting quotes from multiple furnace manufacturers to compare prices, features, and warranties before making a final decision. Additionally, consider consulting with a professional HVAC technician for their expert advice on the best furnace for your specific home and budget.
Details:
Self-diagnostic control board: the Goodman brand has improved technology from years of production experience, allowing for a long-lasting product that rarely any issues. The furnace also comes with color-coded low- voltage terminals that allow for a shorter and easier installation time, which decreases costs. The cabinet is also more air-tight than previous model's, allowing for a quiet, economical unit due to losing less heat and preventing sound from exiting. Ease of installation: the value modern Goodman furnaces doesn't end at efficiency.
A single stage furnace is the standard efficient since every time your turns on uses same amount of energy. Like a light switch, this furnaces burner will either be on or off and nothing in between. Our scratch dent units are brand new, never installed that covered by the original manufacturers warranty. Durable hot surface ignite: the hot surface ignite on modern Goodman furnaces are more durable than previous designs, decreasing related issues and lowering maintenance costs.
These hot surface ignites are also more efficient than standing pilot and older his designs, saving you even money. All of this causes an overall increase in the electrical efficiency your furnace, which saves you money. This increases the overall safety of unit, for furnace itself and occupants home where it is installed. Requires metal flue venting.
Can be converted to an LP furnace with a conversion kit sold separately. Efficient, money-saving heating for homes. Heavy gauge steel cabinet: the heavy-gauge steel cabinet on new Goodman furnaces provide adequate protection to the internal mechanisms of unit. Innovative design for electrical efficiency, safety, and lower sound output.
If you're looking to cut your energy bills and improve comfort without breaking the bank, search stops with Goodman gd9s800804bn. Overview: the gd9s800804bn Goodman gas furnace features high-quality construction and efficient operation at a great value. This gas furnace is highly energy efficient and you'll enjoy the savings as much reliable comfortable heating. 10 year parts limited warranty.
80,000 btu 80% efficient natural gas furnace. Minor dents big savings free shipping. New condition - never used. However, if something does go wrong on the furnace, control board has a set of sensors that allow it to diagnose basic issues, allowing for easy troubleshooting and notify owner maintenance or warranty work is recommended.
Backed by one of the nations largest online hvac dealers. Can be used in the down flow or horizontal left right orientation. This allows for an easier installation in more locations, from your attic to basement.
Quick facts: this furnace is ideal to heat a medium-sized house depending on climate.
specifications centrafurn:
- brand: Goodman
- mpn: Gd9s800804mbn
- type: Central Furnace
- btu heating rating: 80000-89999 Btu
- power source: Corded Electric, Natural Gas
- heating system: Furnace
- manufacturer warranty: 10 Years
- voltage: 120 V
- annual fuel utilization efficiency: Afue
- california prop 65 warning: This Product And Many Products We List May Contain A Chemical Know To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm.
- power phase: 1 Phase
returns centrafurn:
- time: 30 days
- paid by: buyer
- method: money back
- policy: returns accepted
shipping centrafurn:
general centrafurn:
- category: Home & Garden > Heating, Air > Cooling Systems > Central Furnaces
seller centrafurn:
- # reviews: 3988
- city: vandalia, ohio
- rating: 99.0%
payments centrafurn:
- credit card: mastercard
- other
- wallet: google-pay
offer centrafurn:
- started: march 14, 2026
- availability: in stock
- best offers: true
- price: $1387.00
- item condition: Open box
- options: ship-to-home
- sold #: 14
- in stock #: 1
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