2.5 Ton 15 SEER 98% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This system works best for homeowners upgrading from older equipment and wanting strong cooling with modulating heat control. The 16 SEER2 cooling and 97% AFUE heating deliver solid year-round efficiency, though the pricing appears incomplete in this listing.

Review

Goodman continues delivering affordable, capable HVAC equipment for contractors and homeowners balancing budget with performance. This 2.5-ton system combines a high-efficiency gas furnace with R410A air conditioning in an upflow A-coil configuration. The combination targets mid-range residential installations where space constraints and efficiency requirements push buyers toward integrated solutions rather than separate component selection.

The cooling side delivers 29,000 BTU capacity with a 16 SEER2 rating, outperforming the listed 15 SEER2 specification. Heating reaches 80,000 BTU at 97% AFUE with a modulating burner that adjusts flame intensity rather than cycling on and off, reducing temperature swings. The variable-speed ECM blower motor runs at 1,600 CFM maximum, adapting to real-time load demands. However, the 3.5-ton cooling tonnage mismatches the 2.5-ton marketing label, a concerning specification inconsistency.

Pros & Cons

Pros

16 SEER2 rating exceeds the 15 SEER2 specification, delivering better cooling efficiency than advertised
97% AFUE modulating furnace reduces energy waste through variable staging rather than on-off cycling
Variable speed ECM blower motor adjusts airflow to match actual demand, cutting runtime and utility costs
A-coil design supports both upflow and horizontal installations, fitting diverse home layouts
Energy Star certified with 10-year warranty when registered, covering major components

Cons

Single-stage compressor cannot modulate cooling output, running at full capacity regardless of conditions
3.5-ton cooling capacity oversizes for the stated 2.5-ton rating, creating potential for short cycling
71.5 dB noise level is moderately loud for residential units, noticeable during operation
115V power requirement limits installation flexibility in some older homes with single-phase service only

Who Should Buy

Best For

Homeowners in moderate climates seeking equipment that pairs efficient modulating heating with reliable cooling. Contractors installing in homes where upflow/horizontal clearance allows A-coil positioning.

Consider Alternatives If

Anyone wanting matched tonnage across heating and cooling, or those needing variable-capacity cooling to minimize noise and energy use in mild weather.

2.5 Ton 15 SEER 98% AFUE 80,000 BTU Goodman Gas Fu

Buy at HVACDirect →

Installation

This unit requires upflow or horizontal mounting in an attic or basement location. The A-coil design needs proper clearance for refrigerant line connections, 3/8-inch liquid and 7/8-inch suction lines with 3/4-inch insulation. Plastic or PVC exhaust flues are acceptable. Electrical service demands 115V single-phase 60 Hz with breaker sizing between 17.1 and 25 amps. Proper ductwork sizing matching the 1,600 CFM rating is essential for performance.

Warranty & Reliability

Coverage includes 10 years on compressor, coil, and cabinet when registered online. Parts and labor typically follow manufacturer guidelines, though this listing lacks specific exclusion details. Registration with Goodman is required to activate the full term, so documentation preservation matters. Coverage extends to sealed refrigerant systems but may exclude damage from improper installation or maintenance.

Specifications

SKU	LS38783850
Brand/Manufacturer	Online Supply
Cooling BTU	29,000
Heating BTU	80,000
Refrigerant	R410A
Electrical	115 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	71.5
Weight (in lbs)	30.000000
Feature	Spec
Energy Star	Yes
SEER1 (Efficiency)	16
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	25 amps
Min. Breaker Size	17.1 amps
Tonnage	3.5 Ton
Height	34.5"
Width	21"
Depth	28.75"
Resources	Goodman Brochure Goodman Installations Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User Information Goodman 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.
Configuration	Upflow/Horizontal
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
AHRI Certificate Number	7424266
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Furnace Efficiency / AFUE	97%
Blower Motor	Variable Speed - ECM
Maximum CFM	1600
Burner Stages	Modulating
Fuel Type	Propane, Natural Gas
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Why does this list as 2.5 tons when the specs show 3.5-ton cooling capacity? +

The discrepancy is significant. The 29,000 BTU cooling output equals approximately 2.4 tons, but the specs explicitly state 3.5-ton tonnage. This contradiction suggests either data entry error or a mislabeled unit. Verify the actual nameplate tonnage before purchase to ensure proper ductwork and electrical sizing alignment.

Can this unit fit in a standard basement installation with existing ductwork? +

The A-coil upflow design fits most basements with 34.5-inch height and 21-inch width. The 1,600 CFM airflow must match existing ductwork capacity. If your current system was undersized, upgrading ducts improves efficiency. Have a technician evaluate static pressure and duct sizing before installing this equipment.

How much will the 16 SEER2 rating reduce cooling costs compared to older systems? +

A 16 SEER2 unit costs roughly 30-40% less to operate than a 10 SEER2 system. Exact savings depend on local cooling degree days and electricity rates. In moderate climates, expect $400-600 annual savings. Hot climates see proportionally higher benefits since cooling runs longer.

Is the 97% AFUE furnace significantly better than standard 80% AFUE units? +

Yes. A 97% furnace wastes only 3% of fuel energy versus 20% for 80% AFUE models. Over a heating season in cold climates, this translates to 15-20% heating cost reduction. The modulating burner adds comfort by minimizing temperature fluctuations between cycles.

What does the 10-year warranty actually cover if something fails? +

Compressor, coil, and cabinet are covered for parts replacement. Labor coverage depends on your installer and Goodman's policies. Registration is mandatory to activate the full term. Consult the warranty document for exclusions, which typically omit damage from incorrect installation or neglected maintenance.

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