5 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This Goodman 5-ton combo system makes sense for homeowners replacing aging equipment in moderate climates who want solid performance without premium pricing. The 80,000 BTU furnace handles heating efficiently at 80% AFUE, while the 14 SEER air conditioner delivers respectable cooling capacity for the price.

Review

Goodman's 5-ton gas furnace and air conditioner combo represents the practical middle ground in HVAC systems. This upflow-configured unit pairs an 80,000 BTU furnace with 60,000 BTU cooling capacity, creating a balanced system for homes between 1,500 and 2,000 square feet. It's neither cutting-edge nor bargain-basement, positioning it well for homeowners and contractors seeking dependable performance and reasonable cost.

The 80% AFUE rating means 80 cents of every dollar spent on gas goes to heating rather than up the chimney, a standard that's held the line since manufacturers moved beyond 70% efficiency. The 14 SEER cooling efficiency sits comfortably above basic 13 SEER units but below premium 16+ SEER equipment. Two-stage burner technology and multi-speed blower create noticeable comfort improvements by matching equipment output to actual heating demand, reducing the on-off cycling that wastes energy.

Pros & Cons

Pros

80% AFUE efficiency is standard for gas furnaces and delivers real fuel savings versus older 70% units
14 SEER rating on 5-ton cooling capacity means 60,000 BTU output suitable for mid-size homes up to 2,000 sq ft
Two-stage burner adapts to heating demand, reducing short cycling and improving comfort
Multi-speed blower motor optimizes airflow and reduces noise compared to single-speed designs
10-year warranty with online registration provides meaningful protection at this price point

Cons

80% AFUE is entry-level, not high-efficiency, 90%+ systems cost more but save significantly on gas bills long-term
14 SEER is mid-range for modern standards, 16+ SEER units available if energy costs are primary concern
Not Energy Star certified, meaning it misses federal efficiency thresholds some utility rebates require

Who Should Buy

Best For

Homeowners in moderate climates needing a reliable replacement system without premium pricing, especially those planning to stay in their home 7-10 years. Contractors fitting budget-conscious clients who want Goodman's proven reliability without advanced features.

Consider Alternatives If

Anyone in hot climates where air conditioning runs heavily should consider 16+ SEER units, and buyers chasing maximum rebates should verify Energy Star eligibility first.

5 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furn

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Installation

The system requires 208/230V single-phase 60 Hz power with a minimum 32.8 amp breaker and maximum 50 amp capacity. Metal exhaust flue is mandatory for the furnace. Suction line insulation thickness of 3/8 inch maintains cooling efficiency, while line sets run up to 30 feet. Weight of 30 pounds makes this manageable for typical installation teams working on residential HVAC replacements.

Warranty & Reliability

Goodman backs this unit with a 10-year warranty when registered online, covering parts and labor defects. This matches or exceeds typical entry-level system warranties and reflects Goodman's confidence in manufacturing quality. Online registration is straightforward and must be completed to activate full coverage.

Specifications

SKU	LS38783830
Brand/Manufacturer	Online Supply
Cooling BTU	60,000
Heating BTU	80,000
Refrigerant	R410A
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	75
Weight (in lbs)	30.000000
Feature	Spec
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Multi-Speed
Maximum CFM	2000
Configuration	Upflow / Downflow
Burner Stages	Two
Fuel Type	Gas
Height	38.25"
Width	35.5"
Depth	35.5"
Resources	Goodman Installation Manual Goodman Specifications Goodman Brochure Goodman Warranty Information Goodman Service Instructions Goodman Kit Instructions Goodman Parts Manual 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	7/8"
Tonnage	5 Ton
Style	A-Coil
Energy Star	No
SEER1 (Efficiency)	14
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	50 amps
Min. Breaker Size	32.8 amps
Suction Line Insulation Thickness	3/8"
Length	30 feet

Frequently Asked Questions

What size home does this 5-ton system cool effectively? +

A 5-ton unit with 60,000 BTU cooling capacity handles homes between 1,500 and 2,000 square feet in moderate climates. Hot climates may require upsizing to 5.5 or 6 tons. Exact sizing depends on insulation, window count, sun exposure, and local humidity.

Can I use the 3/8 inch and 7/8 inch line sets included with this unit? +

Yes, the specifications include 3/8 inch liquid line and 7/8 inch suction line, with 3/8 inch insulation thickness on the suction side. Line sets extend up to 30 feet, providing flexibility for most residential installations without additional charges.

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

80% AFUE is baseline modern efficiency. A 90% AFUE unit saves roughly 11% annually on heating costs, but costs $800-1,500 more upfront. Over 10 years, high-efficiency units typically pay for themselves through gas savings in cold climates.

Is 14 SEER enough cooling efficiency for my electric bills? +

14 SEER is respectable for mid-tier cooling. In mild climates with brief AC seasons, it's adequate. In hot regions running AC six months yearly, 16+ SEER units deliver better long-term value despite higher purchase cost.

Does this system qualify for Energy Star rebates? +

No, this unit is not Energy Star certified. Some utility companies offer rebates only for certified equipment. Check your local utility's rebate requirements before purchasing, as eligibility varies by region.

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