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Goodman - 80,000 BTU 80% Low NOx Gas Furnace - 21" Width - Downflow / Horizontal - Two Stage - 115V - R32 - GD9T800805CX

Goodman - 80,000 BTU 80% Low NOx Gas Furnace - 21" Width - Downflow / Horizontal - Two Stage - 115V - R32 - GD9T800805CX

$1,219.99 USD
$1,626.00 USD $1,219.99 USD
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Descripción

Goodman - 80,000 BTU 80% Low NOx Gas Furnace - 21" Width - Downflow / Horizontal - Two Stage - 115V - R32 - GD9T800805CX

The GD9T800805CX Goodman gas furnace features high-quality construction and efficient operation at a great value. The GD9T800805CX two-stage, 9-speed furnace utilizes Goodman's superior heat exchanger design to provide efficient, reliable heating to your home. If you're looking to cut your energy bills and improve your comfort without breaking the bank, your search stops with the Goodman GD9T800805CX.

Features
  • This furnace is ideal to heat a medium house (depending on climate)
  • 80,000 BTU 80% efficient natural gas furnace
  • Requires metal flue venting
  • Can be used in the downflow or horizontal orientation
  • Can be converted to an LP furnace with a conversion kit (sold separately)
  • Innovative design for electrical efficiency, safety, and lower sound output
Specifications
Goodman 80% 80,000 BTU Two Stage Gas Furnace - 21" Width - Downflow / Horizontal
SKU GD9T800805CX
Weight (in lbs) 129.000000
AHRI Certificate Number 215358015
Airflow Direction Downflow/Horizontal
Exhaust Flue Requirement Metal
R-32 Compliant Yes
Brand/Manufacturer Goodman
Product Features Low NOx, New Refrigerant Compliant
Furnace Efficiency / AFUE 80%
Heating BTU 80,000
Blower Motor 9 Speed - ECM
Maximum CFM 2000
Configuration Downflow/Horizontal
Electrical 115 V. 1 Phase 60 Hz
Max Breaker Size 25 Amps
Min. Breaker Size 14.3 Amps
Low NOx Low NOx
Burner Stages Two
Fuel Type Propane, Natural Gas
Height 33 3/8"
Width 21"
Depth 28"
Manual

What our Experts Think

  • Cleaner Emissions Heating: The Goodman GD9T800805CX Gas Furnace Low NOx design reduces nitrogen oxide emissions, making it a better environmental choice where low‑NOx is required.

  • Two‑Stage Heating Comfort: Two‑stage operation runs mostly at a lower heat level, delivering more even temperatures, quieter cycles, and fewer spikes than single‑stage furnaces.

  • 80% AFUE Efficiency: Provides solid fuel utilization, offering dependable warmth and reasonable operating costs for medium homes in moderate climates.

  • Downflow/Horizontal Flexibility: Designed for downflow or horizontal installations, fitting attics, basements, utility rooms, or tight mechanical spaces.

  • Durable Goodman Engineering: Built with quality components and a robust heat exchanger for consistent, long‑lasting performance.

  • Value‑Driven Performance: Combines reduced emissions, two‑stage comfort, and flexible installation in a cost‑effective furnace for homeowners seeking reliable heating with cleaner operation.



Q&A

Q: What heating capacity does this furnace deliver?
A: The Goodman GD9T800805CX produces 80,000 BTU input (≈ 64,000 BTU useful heat) — ideal for medium‑sized homes when properly sized by a professional.

Q: What does the 80% AFUE rating mean?
A: 80% AFUE means about 80 ¢ of every $1 spent on fuel becomes usable heat, providing efficient, cost‑effective heating compared with lower‑efficiency models.

Q: What is Low NOx and why it matters?
A: This furnace is Low NOx compliant, meaning it emits reduced nitrogen oxides for lower environmental impact and compliance in many regions requiring cleaner operation.

Q: What type of operation does it use?
A: It has a two‑stage gas valve for more consistent heat delivery and reduced cycling, paired with a 9‑speed ECM blower for smoother airflow and quieter performance.

Q: Where can this furnace be installed?
A: Supports downflow and horizontal installation orientations, making it flexible for attics, basements, closets, or crawlspaces.

Q: What power and venting does it require?
A: Operates on 115 V single‑phase residential power and requires metal flue venting, typical for non‑condensing furnaces.

Q: Is this furnace compatible with modern systems?
A: Yes — it is R32 refrigerant compliant and can be paired with compatible HVAC components.

Q: Can it run on propane?
A: Yes — with an appropriate propane conversion kit (sold separately), it can be converted from natural gas.


Maintenance Tips

  • Replace Air Filters Regularly: Inspect monthly and replace every 1–3 months to maintain airflow and protect the two-stage blower.

  • Keep Vents & Registers Clear: Ensure supply and return vents are unobstructed for even heating.

  • Inspect Venting System: Check intake and exhaust pipes for debris, blockages, or damage to maintain safe operation.

  • Clean Around the Furnace: Maintain 2–3 ft clearance to prevent dust buildup and allow proper airflow.

  • Monitor Blower Operation: Two-stage variable blowers should run quietly and smoothly; unusual sounds may indicate maintenance issues.

  • Check Thermostat & Power Supply: Verify thermostat settings, gas supply, and 115V circuit are functioning properly.

  • Schedule Annual Professional Service: Have a licensed HVAC technician inspect burners, heat exchanger, gas pressure, ignition system, and safety controls yearly.

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