Goodman GRVT800805CN Gas Furnace – 80,000 BTU, 80% AFUE
The Goodman GRVT800805CN gas furnace is designed for homeowners who need reliable heating with advanced airflow control. This model combines two-stage heating operation with a variable-speed ECM blower motor to provide smoother temperature control and consistent airflow.
The Goodman 80000 BTU gas furnace delivers 80,000 BTU of maximum heating input and approximately 64,000 BTU of heating output at its 80% AFUE rating. Its 21-inch cabinet supports higher airflow requirements for compatible HVAC systems.
The Goodman 80 AFUE furnace uses a non-condensing design that requires metal flue venting. It converts around 80% of fuel energy into usable indoor heat while the remaining combustion gases exit through the vent system.
The Goodman variable-speed ECM furnace adjusts blower speed according to heating and cooling demand. This helps provide smoother airflow compared with traditional fixed-speed blower motors.
Goodman GRVT800805CN Overview
The Goodman GRVT800805CN gas furnace features two-stage heating technology that allows the system to operate at a lower heating level during moderate demand and increase output when colder conditions require additional capacity.
A Goodman two-stage gas furnace operates at approximately 56,000 BTU input during low-stage heating and reaches 80,000 BTU input during high-stage operation. This helps maintain more balanced indoor temperatures.
The Goodman 80000 BTU gas furnace includes ComfortBridge technology, a variable-speed ECM blower motor, an aluminized-steel tubular heat exchanger, and a silicon nitride igniter for dependable operation.
Its 21-inch cabinet supports upflow and horizontal installation configurations, making it suitable for various residential HVAC layouts.
Key Features of Goodman 80,000 BTU Gas Furnace
The Goodman GRVT800805CN gas furnace combines staged heating, adjustable airflow, and a durable cabinet design.
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80,000 BTU maximum heating input
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Approximately 64,000 BTU heating output
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56,000 BTU low-stage input
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Two-stage gas valve
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Variable-speed ECM blower motor
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Up to 2,000 CFM airflow capacity
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21-inch cabinet width
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Upflow and horizontal installation options
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ComfortBridge technology
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Bluetooth-enabled CoolCloud diagnostics
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Aluminized-steel tubular heat exchanger
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Silicon nitride hot surface igniter
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Self-diagnostic control board
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Multiple continuous fan speed options
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Natural gas operation
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Propane conversion capability
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R-32 refrigerant detection controls
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R-410A compatibility when properly configured
The Goodman variable-speed ECM furnace improves airflow control by gradually increasing or decreasing blower speed based on system requirements. This can help reduce sudden airflow changes during operation.
The Goodman two-stage gas furnace provides lower heating output during normal conditions and increases capacity when additional heat is needed.
Technical Specifications
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Specification
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Product Details
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Brand
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Goodman
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Model Number
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GRVT800805CN
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Product Type
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Gas Furnace
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Fuel Type
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Natural Gas / LP Convertible
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AFUE Rating
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80%
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Maximum Heating Input
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80,000 BTU
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Maximum Heating Output
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Approximately 64,000 BTU
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Low-Stage Heating Input
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56,000 BTU
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Low-Stage Heating Output
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Approximately 44,800 BTU
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Heating Stages
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Two
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Blower Motor
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Variable-Speed ECM
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Maximum Airflow
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Up to 2,000 CFM
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Configuration
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Upflow / Horizontal
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Cabinet Width
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21 inches
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Heat Exchanger
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Aluminized-Steel Tubular
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Ignition Type
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Silicon Nitride Hot Surface Ignition
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Vent Type
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Metal Flue
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Refrigerant Compatibility
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R-32 / R-410A Compatible
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Electrical Supply
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110V/120V, Single Phase
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Minimum Circuit Ampacity
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10.6 Amps
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Maximum Breaker Size
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15 Amps
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Cabinet Size
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C Cabinet
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Height
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33.375 inches
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Width
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21 inches
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Depth
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28 inches
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Weight
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121 lbs
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Specifications including capacity, dimensions, airflow, and weight were checked using the AC Units for Less product page and current supplier information.
GRVT800805CN Dimensions & Capacity
The Goodman GRVT800805CN gas furnace uses a 21-inch C-size cabinet designed for higher airflow residential applications.
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Height: 33.375 inches
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Width: 21 inches
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Depth: 28 inches
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Weight: 121 lbs
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Maximum heating input: 80,000 BTU
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Maximum heating output: Approximately 64,000 BTU
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Maximum airflow: Up to 2,000 CFM
The larger cabinet allows the Goodman variable-speed ECM furnace to provide increased airflow capacity while maintaining flexible installation options.
Who Should Buy Goodman 80K BTU Gas Furnace?
The Goodman GRVT800805CN gas furnace may suit homeowners who need an 80,000 BTU heating system with two-stage operation and variable-speed airflow control.
The Goodman 80000 BTU gas furnace can be suitable for medium-sized homes when the heating requirement matches the unit capacity. Proper sizing should consider insulation, climate, ductwork, and heat-loss calculations.
The Goodman 80 AFUE furnace is designed for properties using conventional metal flue venting instead of high-efficiency condensing furnace vent systems.
The Goodman variable-speed ECM furnace may be a good option for homeowners looking for smoother airflow adjustment and improved blower control.
Buyers planning to buy Goodman GRVT800805CN online should confirm cabinet size, airflow requirements, electrical specifications, and HVAC system compatibility before purchase.
Frequently Asked Questions
Q1. What is the heating capacity of this furnace?
The Goodman GRVT800805CN gas furnace has an 80,000 BTU input capacity and approximately 64,000 BTU heating output.
Q2. How does two-stage heating work?
The Goodman two-stage gas furnace operates at a lower heating stage during moderate demand and increases output when additional heat is required.
Q3. What does the ECM blower motor do?
The Goodman variable-speed ECM furnace adjusts airflow gradually to match heating, cooling, and continuous fan requirements.
Q4. What are the dimensions of this furnace?
The furnace measures 33.375 inches high, 21 inches wide, and 28 inches deep. The unit weighs approximately 121 lbs.
Q5. Does this furnace support horizontal installation?
Yes. The Goodman GRVT800805CN gas furnace supports both upflow and horizontal installation configurations.
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