2.5 Ton 14 SEER 80% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This system works well for budget-conscious homeowners in moderate climates who want a complete heating and cooling solution under $750. The 14 SEER rating and 80% AFUE deliver reasonable efficiency without premium pricing, though it lacks Energy Star certification and uses older single-stage cooling technology.

Review

The Goodman 2.5-ton combination system represents a practical entry point for homeowners replacing older HVAC equipment on a tight budget. At $736, this upflow-configured unit bundles a gas furnace and air conditioner from a manufacturer with decades of contractor trust. The compact 30 by 21 by 21 inch footprint fits standard closets and utility spaces, while the dual-stage furnace burner and multi-speed blower address real comfort needs during partial-load operation.

Performance specifications tell a balanced efficiency story. The AC unit delivers 30,000 BTU cooling capacity with 14 SEER efficiency, a respectable baseline that avoids premium pricing while meeting current code minimums. The furnace generates 100,000 BTU output at 80% AFUE, consuming slightly more gas than high-efficiency units but requiring no condensing exhaust line or special venting. The rotary compressor operates on standard R410A refrigerant, and the 2000 CFM maximum airflow suits 2.5-ton applications without undersizing risk.

Pros & Cons

Pros

Exceptional price point at $736 for a complete 2.5-ton system with both furnace and AC
14 SEER cooling efficiency meets modern baseline standards for central AC units
Dual-stage burner on furnace allows better comfort control and part-load efficiency
High-efficiency multi-speed blower motor adjusts airflow from 0 to 2000 CFM for variable comfort
10-year warranty with online registration provides reasonable protection on components

Cons

80% AFUE is below the 90%+ minimum recommended by ENERGY STAR, meaning higher heating costs
Single-stage compressor cannot modulate cooling capacity, cycling on/off rather than adjusting output
72 dB noise level is moderately loud, comparable to older window AC units during operation
Not ENERGY STAR certified, missing potential utility rebates available in many regions

Who Should Buy

Best For

Homeowners in mild-to-moderate climates seeking an affordable complete HVAC replacement with straightforward installation. Budget-conscious buyers who don't spend winters in extreme cold or summers in high humidity, and can accept modest efficiency in exchange for low upfront cost.

Consider Alternatives If

Anyone in harsh winter climates should look for 90%+ AFUE units, and buyers in hot/humid regions need variable-capacity cooling systems with 16+ SEER ratings.

2.5 Ton 14 SEER 80% AFUE 100,000 BTU Goodman Gas F

$736

Buy at HVACDirect →

Installation

Installation requires standard electrical service at 120V, 1-phase, 60 Hz with 17.1 to 25-amp breaker capacity, matching most residential panels without upgrade. The system uses conventional 3/8-inch liquid lines and 3/4-inch suction lines with pre-insulated 50-foot line set included. Upflow configuration suits basement or closet placement, though the metal exhaust flue requirement means routing ductwork through existing chimneys or new wall penetrations.

Warranty & Reliability

The 10-year parts warranty activates upon online registration and covers compressor, furnace heat exchanger, and blower motor failures. This standard coverage protects against defects but excludes normal wear, refrigerant loss, and labor costs. Online registration is straightforward and highly recommended to activate the full term.

Specifications

SKU	LS38343850
Brand/Manufacturer	Online Supply
Cooling BTU	30,000
Heating BTU	100,000
Refrigerant	R410A or R22
Electrical	120 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	72
Weight (in lbs)	22.000000
Feature	Spec
Energy Star	No
SEER1 (Efficiency)	14
Condenser Stages	Single Stage
Compressor Type	Rotary
Liquid Valve Size	3/8"
Suction Valve Size	3/4"
Max Breaker Size	25 amps
Min. Breaker Size	17.1 amps
Tonnage	3.5 Ton
Height	30"
Width	21"
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.
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	High Efficiency Multi-Speed
Maximum CFM	2000
Configuration	Upflow / Downflow
Burner Stages	Two
Fuel Type	Gas
Liquid Line	3/8"
Suction Line	3/4"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Why is this system cheaper than others at the same tonnage? +

The lower price reflects older efficiency technology, single-stage cooling that cycles on/off rather than modulating, and an 80% AFUE furnace instead of 90%+ condensing models. You save upfront capital but spend more on utility bills over 10 years, typical in budget HVAC products.

Can this system use my existing ductwork from my old furnace? +

Usually yes, if your old system was also 2.5-ton or larger and used similar trunk duct sizing. The 2000 CFM airflow is standard for this tonnage. Have a contractor verify duct balance since inadequate return air causes short-cycling and comfort problems.

Will this AC unit keep my house cool in 95-degree heat? +

The 30,000 BTU output handles moderate heat in well-insulated homes. In high-heat climates or poorly sealed homes, cooling demand may exceed capacity, causing runtime extension and reduced comfort. Higher SEER units with variable capacity perform better in extremes.

How does 14 SEER compare to newer systems I'm seeing advertised? +

14 SEER is baseline modern efficiency, while newer systems reach 18-20 SEER with variable-speed compressors. You'll recoup the $1500+ premium on 18+ SEER units within 5-7 years through lower electric bills in hot climates, but in mild regions, 14 SEER remains cost-effective.

Does the 10-year warranty cover refrigerant leaks? +

The warranty covers compressor failure from manufacturing defects, but refrigerant loss from leaks is excluded unless caused by factory defect. Service calls and evacuation labor are homeowner costs, typically $300-600 per incident.

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