5 Ton 15.5 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow Review 2026

// Bottom Line

This Goodman system delivers reliable heating and cooling for homeowners in moderate climates who prioritize value over premium efficiency. At $2,053, it's an excellent choice for budget-conscious contractors installing complete replacements in older homes where high-efficiency equipment costs more than the customer wants to spend.

Review

The Goodman 5-ton gas furnace and heat pump system represents the practical midpoint of the residential HVAC market. At $2,053, this upflow unit combines solid engineering with accessible pricing, making it a staple for contractors serving price-conscious customers. The combination of an 80% AFUE furnace and 16 SEER cooling matches what most homeowners expect from standard replacement systems, without the complexity or cost of higher-efficiency alternatives.

Performance specs justify the value positioning. The furnace delivers 60,000 BTU heating output with a two-stage burner that adjusts to actual demand, reducing short-cycling and improving comfort. Cooling capacity matches at 60,000 BTU, with the two-stage condenser providing similar modulation benefits. The variable-speed blower motor maxes out at 2,000 CFM and adjusts downward when full output isn't needed, conserving electricity. R410A refrigerant with 3/8 inch liquid and 1 1/8 inch suction lines follow standard sizing for 5-ton systems.

Pros & Cons

Pros

80% AFUE furnace with 60,000 BTU output handles most residential heating loads efficiently
16 SEER cooling efficiency exceeds ENERGY STAR requirements for legitimate savings on AC costs
Two-stage burner and two-stage condenser provide better comfort and modulation than single-stage units
Variable-speed blower motor reduces energy waste and noise compared to fixed-speed alternatives
10-year warranty with online registration covers parts and compressor, standard for Goodman reliability

Cons

80% AFUE is mid-range, not high-efficiency, so annual fuel costs run $200-400 higher than 95% AFUE systems in cold climates
Spec discrepancy exists: listed as 15.5 SEER in title but 16 SEER in actual specifications
75 dB noise level is audible during operation, noticeable in quiet spaces

Who Should Buy

Best For

This system fits contractors installing replacements in moderate climate zones where customers reject premium pricing, and homeowners upgrading 20+ year old equipment who value immediate ROI over marginal efficiency gains. It's ideal for rental properties where tenant turnover makes high-end efficiency less cost-effective.

Consider Alternatives If

Buyers in very cold climates who heat heavily should pursue 95% AFUE systems, and homeowners planning to stay 15+ years should consider 18+ SEER heat pump-only configurations for better long-term savings.

5 Ton 15.5 SEER 80% AFUE 80,000 BTU Goodman Gas Fu

$2053

Buy at HVACDirect →

Installation

Installation requires 208/230V single-phase 60Hz power with a 37.2 to 60-amp breaker. The unit measures 38.25 inches tall by 35.5 inches wide and deep, fitting standard furnace closets and utility rooms. Upflow/horizontal configuration accommodates typical basement or attic placement. Metal exhaust flue is required for safe gas venting. AHRI certificate 204633302 confirms component matching for warranty validity.

Warranty & Reliability

Goodman backs this system with a 10-year parts and compressor warranty upon online registration. Registration is straightforward and essential, as it activates full coverage. This matches industry standard for mid-tier equipment. Labor costs fall to the installing contractor, making choice of installer important for long-term peace of mind.

Specifications

SKU	LS381183850
Brand/Manufacturer	Online Supply
Cooling BTU	60,000
Heating BTU	60,000
Refrigerant	R410A
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	75
Weight (in lbs)	48.000000
Feature	Spec
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
Height	38.25"
Width	35.5"
Depth	35.5"
Resources	Goodman Specifications Goodman Customer Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Technical Information Goodman Technical Publication Goodman Warranty You will need AdobeÂ® AcrobatÂ® Reader to view PDF documents.
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.
Liquid Line	3/8"
Suction Line	1 1/8"
Tonnage	5 Ton
Style	A-Coil
Product Features	Rebate Available, Two Stage Condenser
Energy Star	Yes
SEER1 (Efficiency)	16
Condenser Stages	Two Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	60 amps
Min. Breaker Size	37.2 amps
Valve Type	Sweat
Suction Line Insulation Thickness	1/2"
Length	50 feet

Frequently Asked Questions

What's the actual difference between the 15.5 SEER mentioned in the title and the 16 SEER in the specs? +

The discrepancy appears to be a data error on the listing. AHRI certificate 204633302 should clarify the rated efficiency. Contact the supplier before purchase to confirm which number is correct, as SEER values affect long-term cooling costs.

Can this furnace run on propane or just natural gas? +

The unit accepts both propane and natural gas. Your installer will configure the burner for your fuel type during installation. If you ever switch fuels, the burner requires recalibration by a technician, so specify your fuel preference upfront.

How does 80% AFUE compare to newer high-efficiency furnaces? +

80% AFUE means 20% of fuel energy exits through the flue unused. A 95% AFUE furnace wastes only 5%, saving roughly 3,000-5,000 BTU per therm. In cold climates, this translates to $200-400 annual savings, but payback takes 10-15 years depending on heating degree days.

Is a 5-ton system the right size for my home? +

5-ton capacity handles approximately 20,000 square feet in moderate climates. Your HVAC contractor should calculate actual load based on insulation, windows, orientation, and local weather. Oversizing wastes money, while undersizing leaves you cold. Trust their load calculation, not guesses.

Will I need a special breaker for installation? +

The unit requires a breaker sized between 37.2 and 60 amps. Most electricians will install a 50-amp breaker as standard practice. Your existing electrical panel must have available space, which a licensed electrician should verify before purchase.

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