1.5 Ton 14 SEER 80% AFUE 60,000 BTU Goodman Gas Furnace and Air Conditioner System - Horizontal Review 2026

// Bottom Line

This Goodman system works best for homeowners replacing older equipment in existing horizontal ductwork installations where budget matters more than cutting-edge efficiency. The 80% AFUE rating represents a meaningful step up from aged furnaces, though it trails high-efficiency models rated 95%+.

Review

The Goodman horizontal furnace and air conditioner system targets the middle market of residential HVAC replacements. This 1.5-ton combo unit combines an 80% AFUE gas furnace with a 14 SEER air conditioner into a single horizontal package designed for cramped attic or basement installations. It's positioned as a practical alternative to the premium efficiency tier while delivering Energy Star certification and two-stage heating.

Performance specs show a 60,000 BTU heating output with two-stage burner operation and a high-efficiency multi-speed blower reaching 1,200 CFM. Cooling delivers 18,000 BTU from a scroll compressor with R410A refrigerant compatibility. The 80% AFUE rating means 20 cents of every heating dollar escapes through the flue, a reasonable efficiency level for 2024 but below the 95% AFUE standard emerging in energy-conscious markets.

Pros & Cons

Pros

Energy Star certified cooling with 14 SEER rating reduces summer bills compared to baseline equipment
Two-stage burner and multi-speed blower motor improve comfort and reduce cycling noise to 71.5 dBA
Horizontal configuration fits tight attic or basement spaces where upflow units won't fit
Scroll compressor design delivers reliable performance with proven track record in residential applications
10-year warranty with online registration provides reasonable protection for parts and labor

Cons

80% AFUE heating efficiency lags behind 95% AFUE models by 15 percentage points, costing $200-400 annually in wasted fuel
Spec sheet shows conflicting tonnage data, listing 1.5 ton in title but 2.5 ton in specs, creating confusion about actual cooling capacity
Price listed as $0 prevents accurate cost-per-efficiency comparison with competing Goodman or Lennox models

Who Should Buy

Best For

Homeowners with horizontal ductwork and tight budgets who want reliable incremental efficiency gains without premium pricing. This appeals to contractors installing replacement systems in 1980s-2000s homes where ductwork layout limits their equipment choices.

Consider Alternatives If

Buyers prioritizing long-term energy savings should invest in 95% AFUE furnaces paired with 16+ SEER coolers, which recover costs within 6-8 years in cold climates.

1.5 Ton 14 SEER 80% AFUE 60,000 BTU Goodman Gas Fu

Buy at HVACDirect →

Installation

This horizontal configuration requires metal exhaust flue ducting and operates on 208/230V single-phase 60 Hz power with breaker sizing between 12.4 and 20 amps. Standard liquid and suction lines measure 3/8 inch and 3/4 inch respectively, with pre-insulated suction line rated at 3/4 inch thickness. Installation follows typical gas furnace procedures outlined in the CHPF manual provided by the manufacturer.

Warranty & Reliability

Goodman provides a 10-year parts and labor warranty when you register online, a standard industry practice. This covers compressor failure, heat exchanger damage, and blower motor defects. However, remember that labor claims often require receipts from licensed technicians, so verify coverage with your installer before purchasing.

Specifications

SKU	LS38343850
Brand/Manufacturer	Online Supply
Cooling BTU	18,000
Heating BTU	60,000
Refrigerant	R410A or R22
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	71.5
Weight (in lbs)	22.000000
Feature	Spec
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	High Efficiency Multi-Speed
Maximum CFM	1200
Configuration	Horizontal
Burner Stages	Two
Fuel Type	Gas
Height	17.5"
Width	21.125"
Depth	26"
Resources	CHPF Installation Manual CHPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® 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.
Replaces	GSX16S181
Energy Star	Yes
SEER1 (Efficiency)	16
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	3/4"
Max Breaker Size	20 amps
Min. Breaker Size	12.4 amps
Tonnage	2.5 Ton
Liquid Line	3/8"
Suction Line	3/4"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

What does 80% AFUE actually mean for my heating bills? +

It means 80 cents of every natural gas dollar heats your home while 20 cents escapes as waste heat through the flue. Compared to a 95% AFUE system, this furnace costs roughly $300-400 more annually to operate in cold climates. A 15-year ownership period could exceed $5,000 in extra fuel costs.

Can I install this in my attic if space is limited? +

Yes, the horizontal configuration is specifically designed for tight attic installations. At 17.5 inches tall, 21.125 inches wide, and 26 inches deep, it fits most standard attic trusses. Ensure adequate clearance for ductwork connections and service access before purchasing.

The specs show both 1.5 ton and 2.5 ton ratings. Which is correct? +

The conflicting data is problematic. The title states 1.5 ton cooling capacity, but specifications list 2.5 ton tonnage. The 18,000 BTU cooling output aligns with 1.5 tons. Contact Online Supply to clarify before finalizing your purchase order.

How does this Goodman compare to a Lennox or Carrier system at the same price point? +

Goodman equipment uses proven scroll compressors and multi-stage burners that perform reliably but without premium brand pricing premiums. Lennox offers higher SEER ratings at similar costs, while Carrier emphasizes warranty depth. Compare SEER and AFUE ratings directly rather than brand names.

Does the 10-year warranty cover my installation labor costs? +

The warranty covers parts and labor through registered dealers, but only after you register online. Coverage requires proof of professional installation by licensed technicians. Verify your contractor participates in Goodman's warranty program.

Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.