Goodman Gas Furnace 80% AFUE 80000 BTU Two Stage Variable Upflow/Horizontal GRVT800803BN
The Goodman GRVT800803BN is part of Goodman’s top-tier 80% AFUE furnace series, combining powerful two-stage heating with a variable-speed blower motor for exceptional comfort, efficiency, and durability. Built with heavy-duty aluminized steel heat exchangers and a tightly sealed cabinet, this furnace ensures reliable performance and quieter operation, making it a trusted heating solution for small to medium homes in average climate conditions.
Key Features
- 80,000 BTU input / 64,000 BTU output – ideal for small to medium homes
- 80% AFUE efficiency – industry-standard performance for cost-effective heating
- Two-stage burner – provides consistent comfort and reduced energy waste
- Variable-speed ECM blower motor – precise airflow, quieter operation, and higher efficiency
- Heavy-duty aluminized steel tubular heat exchanger – durable and efficient design
- Insulated heavy-gauge cabinet – reduces air leakage and operating noise
- Runs on natural gas, convertible to propane with optional LP kit (sold separately)
- Requires metal flue venting – standard for 80% furnaces
- Flexible installation – compatible with upflow and horizontal orientations
- 10-year parts warranty and lifetime heat exchanger warranty (with registration)
80,000 BTU Heating Capacity
The Goodman GRVT800803BN delivers 80,000 BTUs of input heating power with an output of 64,000 BTUs at 80% AFUE. This capacity makes it a dependable choice for efficiently heating small to medium homes in typical climate conditions.
80% AFUE Efficiency
Rated at 80% AFUE, this furnace uses 80% of the fuel to directly heat your home while venting 20% through metal flue venting. It provides solid efficiency while meeting industry standards for affordable home heating.
Two-Stage Heating with Variable Speed Blower
The two-stage gas valve allows the furnace to adjust its heat output for better comfort and efficiency, while the variable-speed ECM blower ensures precise airflow, quieter operation, and more stable indoor temperatures.
Durability and Reliability
Featuring a rugged aluminized steel tubular heat exchanger and a tightly sealed cabinet, the GRVT800803BN is engineered for long-lasting performance. The insulated design reduces air leakage and noise while maximizing efficiency and heat transfer.
Warranty Protection
Goodman backs this furnace with a 10-year parts warranty and a lifetime heat exchanger warranty. Proper installation in compliance with local codes and online registration are required to activate full warranty coverage.
Installation Flexibility
Designed for convenience, the Goodman GRVT800803BN can be installed in both upflow and horizontal positions. It runs on natural gas from the factory but can be converted to propane with an optional LP conversion kit (sold separately).
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