2.5 Ton 14 SEER 96% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This Goodman system delivers exceptional value for homeowners replacing older furnaces or upgrading cooling capacity in moderate climates. The 96% AFUE rating and Energy Star qualification make it ideal for budget-conscious buyers prioritizing heating efficiency without breaking the bank.

Review

The Goodman 2.5-ton upflow system represents a practical middle ground in the HVAC market, targeting homeowners and contractors who need reliable equipment without premium pricing. Manufactured by Online Supply under the Goodman brand, this combo furnace and air conditioner unit arrives pre-matched at just $643, making it accessible for budget-conscious replacements. The upflow configuration suits basement and crawlspace installations, while the compact 30-inch height fits most standard utility closets.

Performance specs impress on the heating side, where the furnace delivers 80,000 BTU with an outstanding 96% AFUE rating and two-stage burner for modulated output. Cooling capacity reaches 29,000 BTU, though the 16 SEER rating feels dated compared to current market leaders. The multi-speed ECM blower motor tops out at 1200 CFM and adapts to load conditions, reducing runtime and noise at 71.5 dBA. Energy Star certification confirms compliance with current efficiency standards, though not premium tier.

Pros & Cons

Pros

Exceptional 96% AFUE furnace efficiency reduces heating costs significantly versus standard 80-90% models
Energy Star certified and includes 10-year warranty with online registration at $643 price point
Multi-speed ECM blower motor provides flexible airflow up to 1200 CFM for better comfort control
Two-stage burner offers modulating heat output, reducing short cycling and improving consistency
PVC exhaust compatibility simplifies installation and reduces flue work complexity

Cons

16 SEER rating on cooling side lags behind modern 18-21 SEER systems available today
Product spec sheet shows inconsistent tonnage labeling (title says 2.5 ton, specs list 3 ton)
Single-stage condenser cannot modulate cooling capacity like dual-stage units

Who Should Buy

Best For

Homeowners in moderate climates seeking reliable heating efficiency with modest cooling needs should prioritize this system. It's especially suited for upflow installations in homes where furnace replacement is the primary driver, with cooling as a secondary consideration.

Consider Alternatives If

Buyers in hot climates requiring aggressive cooling or those seeking cutting-edge SEER ratings above 18 should explore higher-efficiency units despite increased upfront costs.

2.5 Ton 14 SEER 96% AFUE 80,000 BTU Goodman Gas Fu

$643

Buy at HVACDirect →

Installation

Installation requires standard 208/230V single-phase power with breaker sizing between 17.1 and 25 amps, making it compatible with most residential panels. The system uses R410A or R22 refrigerant with 3/8-inch liquid lines and 7/8-inch suction lines. PVC exhaust flue compatibility simplifies venting work compared to metal ductwork. Pre-charged refrigerant lines arrive ready for connection, reducing field labor.

Warranty & Reliability

Goodman provides a solid 10-year parts warranty upon online registration, covering compressor, furnace components, and coil defects. This protects your investment through the critical first decade. Coverage is standard industry fare, not exceptional, but reliable for a budget-tier system.

Specifications

SKU	LS38783850
Brand/Manufacturer	Online Supply
Cooling BTU	29,000
Heating BTU	80,000
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)	30.000000
Feature	Spec
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Furnace Efficiency / AFUE	96%
Blower Motor	Multi-Speed - ECM
Maximum CFM	1200
Configuration	Upflow / Downflow
Flue Location	Right
Energy Star	Yes
Burner Stages	Two
Fuel Type	Gas
Height	30"
Width	17.5"
Depth	21"
Resources	CAPF Installation Manual CAPF 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.
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 Ton
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Why does the product title say 2.5 ton but specs list 3 ton? +

This appears to be a labeling inconsistency from the manufacturer. The 29,000 BTU cooling capacity aligns closer to 2.4-2.5 tons, suggesting the product title is accurate. Verify tonnage with Online Supply before purchase to confirm actual cooling capacity for your climate zone requirements.

Will this system fit my upflow basement installation? +

Yes. The 30-inch height, 17.5-inch width, and 21-inch depth fit standard utility closets. PVC exhaust venting simplifies routing through basement walls or ceilings. Confirm suction and liquid line routing space before ordering, as the 7/8-inch suction line requires 3/4-inch insulation thickness.

How does 96% AFUE compare to my current furnace? +

Most furnaces installed before 2010 operate at 78-85% AFUE. This 96% model recovers dramatically more heat, reducing gas consumption by roughly 12-18% annually. At $643, payback through energy savings typically occurs within 5-7 years depending on usage patterns.

Should I buy this or upgrade to a higher SEER system? +

If heating dominates your climate costs, this 96% AFUE unit excels. The 16 SEER cooling side is adequate for mild climates but underperforms in hot regions. Systems with 18-20 SEER cost 40-60% more but recover costs faster in cooling-heavy markets over 10-15 years.

What does the 10-year warranty actually cover? +

Parts warranty covers furnace components, compressor, and evaporator coil defects upon online registration. Labor is not included. Coverage excludes wear items and improper installation. Confirm registration is processed immediately upon purchase to activate coverage.

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