Goodman 80% 40,000 BTU Single Stage Low NOx Gas Furnace | 14" Width | Downflow / Horizontal
Model GD9S800403AX
★★★★★★★★★★ 4.9 (432) Limited time deal- Factory-direct wholesale pricing
- Nationwide freight & export shipping
- Contractor & reseller accounts welcome
Product Overview
The Goodman GD9S800403AX is a single-stage gas furnace. It is sized to cool roughly a typical home, a dependable, budget-friendly choice for homeowners, contractors, and resellers who want brand-name equipment at true wholesale pricing.
Why buyers choose this unit
- Proven Goodman reliability with parts stocked nationwide, so future service stays simple and inexpensive.
- 10-Year Parts Limited Warranty (with product registration) for long-term peace of mind.
- Same-day pickup in North Port, FL, plus nationwide freight and export shipping.
Sizing & compatibility
For rated performance, pair matched components of the same tonnage and refrigerant. Not sure what size you need? Use our HVAC Sizing Guide or contact our team for a free match.
Model GD9S800403AX. Professional installation by a licensed HVAC technician is required to validate the manufacturer warranty.
Customer Reviews
432 global ratings
Top reviews from the United States
Great.
Reviewed in the United States on April 27, 2026
Size: GD9S800403AX
11 people found this helpful
Great price.
Reviewed in the United States on August 30, 2025
Size: GD9S800403AX
10 people found this helpful
Ordered morning, picked up same day, works perfect.
Reviewed in the United States on May 2, 2026
Size: GD9S800403AX
13 people found this helpful
Works great.
Reviewed in the United States on February 5, 2026
Size: GD9S800403AX
12 people found this helpful
No complaints.
Reviewed in the United States on December 1, 2025
Size: GD9S800403AX
7 people found this helpful
Cheaper than my local supplier.
Reviewed in the United States on November 12, 2025
Size: GD9S800403AX
6 people found this helpful
Recommend.
Reviewed in the United States on September 9, 2025
Size: GD9S800403AX
9 people found this helpful
Fast pickup, great unit.
Reviewed in the United States on October 25, 2025
Size: GD9S800403AX
8 people found this helpful
Good value.
Reviewed in the United States on May 19, 2026
Size: GD9S800403AX
4 people found this helpful
Arrived quick, works perfect.
Reviewed in the United States on April 3, 2026
Size: GD9S800403AX
3 people found this helpful
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