Goodman 2.5 Ton 14 SEER 80% 80,000 BTU Furnace & AC System - R410A Upflow Review 2026

// Bottom Line

This Goodman system works best for budget-conscious homeowners replacing aging equipment in moderate climates where 80% AFUE meets code. At $732, it's an excellent entry-level option, though buyers seeking higher efficiency should look at 95% AFUE or variable-speed models.

Review

The Goodman 2.5 Ton 14 SEER 80% Furnace and AC System represents the entry-level sweet spot for budget-conscious homeowners. At $732, this upflow combo delivers genuine value without cutting corners on core components. It pairs an 80% AFUE gas furnace with a two-stage burner and multi-speed blower against an R410A air conditioning unit rated at 16 SEER2. For homeowners upgrading from 1990s equipment, this system offers measurable improvements in reliability and comfort.

The furnace section produces 30,000 BTU of heating output with 80% annual fuel utilization efficiency, meaning approximately one-fifth of energy exits through the metal flue. On cooling, the unit handles 30,000 BTU (2.5 tons) at 16 SEER2 using a scroll compressor and single-stage condenser. The multi-speed blower reaches 1,200 CFM maximum airflow, accommodating standard ductwork in homes up to roughly 1,400 square feet. Electrical requirements are reasonable, needing between 18.3 and 30 amps on 208/230V single-phase power.

Pros & Cons

Pros

Exceptional value at $732 for a complete 2.5-ton furnace and AC combo with 10-year warranty
80% AFUE furnace meets most regional building codes and qualifies for rebates in many areas
Two-stage burner and multi-speed blower provide better comfort than single-stage alternatives
Energy Star certified AC side delivers 16 SEER2 efficiency, well above baseline standards
R410A refrigerant and scroll compressor are industry-standard, ensuring easy servicing and parts availability

Cons

80% AFUE is entry-level, meaning 20% of heating energy is lost up the chimney, not ideal for cold climates
30,000 BTU heating capacity may struggle in homes above 1,200 square feet without supplemental heat
Single-stage condenser limits cooling efficiency compared to two-stage or variable-capacity units

Who Should Buy

Best For

Homeowners in moderate climates replacing 20+ year old systems who prioritize upfront savings over long-term energy costs. Ideal for rental properties, vacation homes, or milder regions where 80% efficiency is sufficient.

Consider Alternatives If

Northern climate buyers and those planning to stay 15+ years should investigate 95% AFUE models or heat pumps, despite higher initial cost, for better payback.

Goodman 2.5 Ton 14 SEER 80% 80,000 BTU Furnace & A

$732

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Installation

Installation requires metal exhaust flue venting, standard 3/8-inch liquid and 3/4-inch suction line connections, and proper ductwork sizing. The unit measures 30 inches tall by 17.5 inches wide by 21 inches deep, fitting most utility closets and basements. Pre-charged refrigerant lines come in 50-foot length with 3/4-inch insulation thickness. Contractors should consult the CAPF installation manual and specifications sheet included with purchase.

Warranty & Reliability

Goodman covers this system for 10 years with online registration, protecting against manufacturing defects in both furnace and AC components. The evaporator coil carries separate warranty coverage. Ten years is standard for mid-tier residential equipment, though premium brands sometimes offer longer terms. Registration is straightforward and critical to activating coverage.

Specifications

SKU	LS38343850
Brand/Manufacturer	Online Supply
Cooling BTU	30,000
Heating BTU	30,000
Refrigerant	R410A
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	75
Weight (in lbs)	22.000000
Feature	Spec
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Multi-Speed
Maximum CFM	1200
Configuration	Upflow / Downflow
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.
Product Features	Rebate Available
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	30 amps
Min. Breaker Size	18.3 amps
Tonnage	3 Ton
Valve Type	Sweat
Liquid Line	3/8"
Suction Line	3/4"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Does 80% AFUE furnace efficiency really matter for my heating bill? +

Yes. An 80% furnace converts every dollar spent to 80 cents of usable heat; 20 cents escapes up the flue. Upgrading to 95% AFUE reduces waste to 5 cents per dollar. In cold climates with $1,500 annual heating costs, the difference amounts to $225 yearly. Payback depends on regional gas prices and climate severity.

Can this system work in my upflow basement closet with horizontal venting? +

Yes. The configuration supports both upflow and horizontal airflow directions, adapting to basement or attic installation. However, horizontal ductwork must slope properly for condensation drainage. Verify your installer plans adequate metal flue venting to the outside before installation begins.

How does 16 SEER2 cooling efficiency compare to newer systems? +

16 SEER2 is solid performance, equivalent to roughly 15-16 SEER by older standards. It exceeds minimum Energy Star requirements and delivers measurable savings over 10+ SEER units. High-efficiency models reach 20+ SEER2 but cost significantly more. This rating suits moderate climates with 1,200 to 1,400 cooling hours annually.

Is a 2.5-ton unit large enough for my 2,000 square foot home? +

Possibly, depending on insulation, climate, and ductwork. The 30,000 BTU cooling capacity is borderline for larger homes without excellent insulation. A 3-ton unit would provide safer capacity and faster cooling on hot days. Have a contractor perform a Manual J load calculation before deciding.

What does the 10-year warranty actually cover? +

Manufacturing defects in the furnace heat exchanger, compressor, and controls. It does not cover installation errors, ductwork problems, or maintenance neglect. Online registration is required. Refrigerant and labor are typically excluded. Keep records of annual service for fastest claims.

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