5 Ton 16.7 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow Review 2026

// Bottom Line

This system works best for homeowners upgrading from older equipment who want reliable performance without premium pricing. It delivers genuine heating muscle with two-stage burners and handles cooling adequately for moderate climates, making it a practical mid-range choice for contractors managing cost-conscious customers.

Review

Goodman's 5-ton gas furnace and heat pump combo arrives as a practical middle-ground option for homeowners trading affordability for baseline performance. At $2,053, it undercuts premium brands while maintaining respectable specs that align with current industry standards. The upflow A-coil configuration works in typical residential installations, and the scroll compressor design offers proven reliability across thousands of installations. This system targets cost-conscious buyers who've delayed HVAC replacement but recognize they need an upgrade.

Performance numbers reveal a capable if unremarkable unit. The furnace delivers 80,000 BTU heating output with two-stage burners for modulated comfort, while the cooling side produces 57,000 BTU with 18 SEER1 efficiency, actually exceeding the advertised 16.7 SEER rating. The 80% AFUE efficiency is acceptable but trails high-efficiency alternatives hitting 95% or higher. Two-stage condenser operation keeps compressor runtime lower during partial load conditions, extending equipment life. Variable-speed blower reaches 2,000 CFM maximum, adequate for most five-ton applications.

Pros & Cons

Pros

Two-stage burners and two-stage condenser provide variable heating and cooling for better efficiency and comfort
80% AFUE furnace rating meets standard efficiency requirements at an accessible price point under $2,100
18 SEER1 cooling efficiency significantly outperforms the 16.7 rating claimed, offering better AC performance
Variable-speed blower motor delivers up to 2,000 CFM for effective air distribution in typical homes
ENERGY STAR certified system reduces operating costs compared to non-certified alternatives
10-year warranty with online registration covers manufacturing defects and coil failure

Cons

80% AFUE furnace efficiency is standard today, not premium, meaning higher heating costs than 95%+ AFUE models
75 dB noise level is moderately loud during operation, noticeable in quiet basements or living spaces
Requires minimum 38.8 amp breaker and 120V single-phase power, limiting some installation locations

Who Should Buy

Best For

Homeowners in moderate climates replacing 15+ year old systems who prioritize immediate cost savings over long-term energy performance. Contractors serving budget-conscious clients in non-extreme weather regions will find this combo attractive for mid-sized homes.

Consider Alternatives If

Northern climates requiring maximum heating efficiency should look at 90%+ AFUE furnaces, and those wanting whisper-quiet operation should compare lower dB alternatives.

5 Ton 16.7 SEER 80% AFUE 80,000 BTU Goodman Gas Fu

$2053

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Installation

Installation demands standard HVAC skills with upflow capability and A-coil configuration. The unit measures 30 inches tall by 21 inches deep and wide, fitting most utility closets and crawl spaces. Technicians need to run 3/8 inch liquid lines and 1 1/8 inch suction lines with 1/2 inch insulation thickness, acceptable for 50-foot runs. Electrical requirements include 38.8 to 60 amp breaker and 120V single-phase power. Metal exhaust flue is required for proper venting.

Warranty & Reliability

Online Supply provides a straightforward 10-year warranty on parts when you register online after purchase. Coverage extends to the evaporator coil, addressing one of the system's most expensive potential failure points. Registration is simple and strongly recommended to activate full protection. This warranty matches industry standards but doesn't include labor costs, so budget for technician service calls separately.

Specifications

SKU	LS381183850
Brand/Manufacturer	Online Supply
Cooling BTU	57,000
Heating BTU	80,000
Refrigerant	R410A or R22
Electrical	120 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	75
Weight (in lbs)	48.000000
Feature	Spec
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
Product Features	Rebate Available, Two Stage Condenser
Energy Star	Yes
SEER1 (Efficiency)	18
Condenser Stages	Two Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	1 1/8"
Max Breaker Size	60 amps
Min. Breaker Size	38.8 amps
Tonnage	5 Ton
Valve Type	Sweat
Height	30"
Width	21"
Depth	21"
Resources	CAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
AHRI Certificate Number	204633302
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Variable Speed
Maximum CFM	2000
Configuration	Upflow / Downflow
Burner Stages	Two
Fuel Type	Propane, Natural Gas
Liquid Line	3/8"
Suction Line	1 1/8"
Style	A-Coil
Suction Line Insulation Thickness	1/2"
Length	50 feet

Frequently Asked Questions

How does the 18 SEER1 rating compare to the listed 16.7 SEER specification? +

The 18 SEER1 represents actual laboratory testing while 16.7 SEER may be marketing or older methodology. Real-world cooling efficiency will likely fall between these values depending on installation quality, refrigerant type (R410A vs R22), and local climate. AHRI certificate 204633302 confirms the higher rating under standard conditions.

Can this system replace my old R22 equipment with R410A refrigerant? +

Yes, the system accepts both R410A and R22 refrigerant types. However, R410A is the modern standard and R22 is being phased out. R410A operates at higher pressures, so existing line sets and components must be compatible. Your installer should verify your existing ductwork and electrical service support the transition.

Is 80% AFUE heating efficiency adequate for my climate? +

80% AFUE works in moderate climates where heating seasons are moderate, but colder regions benefit from 90%+ AFUE models reducing long-term heating costs. The two-stage burner helps by modulating output, but 20% of fuel vents unused. Calculate payback period against higher-efficiency alternatives based on your heating degree days and natural gas prices.

How loud is this unit during normal operation? +

At 75 dB, this system operates at typical conversation volume, noticeable but not disruptive in most homes. Basements and utility rooms will hear it clearly. Quieter models run 65-70 dB if noise concerns you. Proper ductwork insulation and placement away from bedrooms minimizes perceived sound.

What does the 10-year warranty actually cover? +

The warranty covers manufacturing defects and component failures including the evaporator coil, which is standard protection. Online registration is required to activate it. Labor, refrigerant recharges, and preventive maintenance are not covered. Check your local contractor's service terms for labor agreements.

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