Goodman 80% AFUE Gas Furnace Nine Speed Low NOx, Single Stage, GR9S800403AX

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 Overview

This 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
• Dimensions: Approx. 14" W × 28" D × 33-3/8" H
  
  

Capacity & Coverage

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.

Efficiency

The 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 & Durability

This 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 & Maintenance

This 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 & Comfort

The 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.

FAQs

Q1. 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?
For best performance and long life, it's best to get an inspection and tune-up once a year.

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