

Goodman 80% AFUE Gas Furnace Nine Speed Low NOx, Single Stage, GR9S800403AX
Key item features
- Efficient Heating: Features an 80% AFUE rating for effective energy conversion and reduced energy costs, ideal for homes needing to meet Low NOx guidelines.
- Quiet Operation: Equipped with a nine-speed ECM blower motor for smooth, quiet air movement and consistent temperature control.
- Durable Construction: Built with a heavy-duty aluminized steel tube heat exchanger and a fully insulated, heavy-gauge steel cabinet for longevity and noise reduction.
- Flexible Installation: Designed for upflow or horizontal installation, making it suitable for various spaces like basements, closets, or attics.
- Low Emissions: Certified with a Low NOx design, significantly reducing nitrogen oxide emissions without compromising heating performance.
- Reliable Performance: Operates in a single stage, ensuring consistent heating output and reliable warmth throughout the winter.
Specs
- Fuel typeNatural Gas
- Btu40
- Energy efficiency rating80
- BrandGoodman
- Number of stages0
- FeaturesEnergy Efficient
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About this item
Product details
Homeowners should get the Goodman GR9S800403AX Gas Furnace since it heats their houses reliably and with reduced pollution. Its Low NOx design reduces down on nitrogen oxide emissions without compromising heat or energy efficiency.
Product OverviewThis Goodman gas furnace with an 80% AFUE rating is great for homes in places that need to fulfill Low NOx guidelines. It has a lot of comfort, durability, and efficiency in a little space. It includes a nine-speed ECM blower motor and works in one step, so it keeps your home warm throughout winter without making any noise.
Quick Facts- Model: GR9S800403AX
- 80% AFUE Efficiency
- Setting: Upflow/Horizontal
- 40,000 BTU capacity
- Type of Motor: Nine-Speed ECM
- Operation: One Stage
- Fuel Type: Natural Gas (you can change it to LP with a kit)
- Type of Emission: Low NOx Certified
- Type of Ignition: Hot Surface Ignition with Silicon Nitride
- Warranty: 10-Year Limited Parts Warranty (with registration)
This furnace is perfect for homes that are 1,000 to 1,200 square feet because it can heat up to 40,000 BTUs. It keeps the rooms warm and has a steady flow of air, so every room stays warm even when it's freezing outside.
EfficiencyThe GR9S800403AX has an AFUE rating of 80%, which means it transfers energy into heat quite well. This helps maintain performance steady and cuts down on energy costs. The nine-speed ECM blower motor makes the system work better and moves more air, which helps change the temperature and make it more comfortable.
Construction & DurabilityThis Goodman furnace has a heavy-duty aluminized steel tube heat exchanger that makes it last longer and resist rust. The cabinet is built of heavy-gauge steel that is fully insulated to keep heat in and noise down. Its small size makes it easy to install.
Installation & MaintenanceThis variant may be installed either upflow or horizontally, so it can be used in basements, closets, or attics. It has front access panels that make it easy to maintain, which makes annual maintenance and inspection jobs easier.
Noise & ComfortThe nine-speed ECM motor keeps the temperature steady and moves air smoothly and quietly. It works in one stage, which makes sure that the heating output is reliable. The low NOx emissions make it safe for areas with strict environmental rules, including California and several western states.
WarrantyGoodman's 10-Year Parts Limited Warranty (with registration) and 20-Year Heat Exchanger Limited Warranty will give you peace of mind. After you install your product, be sure to register it to get full coverage.
FAQsQ1 What does Low NOx mean?
Some places have air quality rules that say that low NOx furnaces must create less nitrogen oxide emissions.
Q2. Is it possible to switch this furnace to propane?
Yes, this model can run on propane fuel if you buy an LP conversion kit separately.
Q3: What's the difference between GR9S800403AN and GR9S800403AX?
The "AX" version is certified as having low NOx, however the "AN" version is not.
Q4. Do professionals have to put this furnace in?
Yes, a trained HVAC professional should do the installation to make sure the warranty is valid and for safety reasons.
Q5. How often should I get this unit serviced?
- Great to replace old, outdated furnaces
- 10 year warranty with online registration
- ECM Blower Motor
Specifications
Fuel type
Btu
Energy efficiency rating
Brand
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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