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

// Bottom Line

This Goodman system delivers exceptional value for budget-conscious homeowners and contractors seeking a complete heating and cooling solution under $650. It's best suited for modest-sized homes in moderate climates where mid-tier efficiency meets affordability without sacrificing too much performance.

Review

This Goodman gas furnace and air conditioner combo hits the sweet spot for budget-conscious buyers. At $643, you're getting both a heating and cooling unit that actually works together, which is rare at this price point. The system is designed for upflow installation in standard residential configurations, making it compatible with most existing homes. It's clearly positioned as an entry-level option rather than a premium solution, but that doesn't mean it's a bad choice.

Performance-wise, the furnace delivers 80,000 BTU heating output with 80% AFUE efficiency and dual-stage burners. The AC side produces 30,000 BTU cooling capacity at 14 SEER, paired with a rotary compressor and single-stage condenser. The multi-speed blower motor maxes out at 1200 CFM and adjusts to different demand levels. These are respectable numbers for the price, though noticeably behind modern 95%+ AFUE furnaces and 18+ SEER heat pumps that cost significantly more.

Pros & Cons

Pros

Exceptional price point at $643 for a complete 2.5-ton combo system with furnace and AC coil
Respectable 80% AFUE furnace efficiency with dual-stage burners for better modulation
14 SEER cooling efficiency on the AC side, meeting baseline Energy Star territory
Multi-speed blower motor allows flexibility in airflow management and noise control
10-year warranty with online registration provides decent long-term protection
Compact footprint at 30 inches tall fits many existing installations

Cons

Not Energy Star certified, missing potential utility rebates and peak efficiency recognition
72 dB noise level is moderately loud for AC operation, noticeable in quiet spaces
Single-stage condenser limits cooling modulation and may cycle more frequently than two-stage units
80% AFUE is dated technology, significantly lower than modern 95%+ condensing furnaces

Who Should Buy

Best For

Homeowners and contractors replacing aging systems on tight budgets who prioritize lower upfront costs over premium efficiency ratings. This works especially well in temperate climates where heating season isn't extreme and existing ductwork accommodates the upflow configuration.

Consider Alternatives If

Anyone in cold climates needing maximum heating efficiency, buyers qualifying for energy rebates, or homeowners sensitive to operating noise should explore higher SEER2/AFUE alternatives despite higher initial investment.

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

$643

Buy at HVACDirect →

Installation

Installation requires metal exhaust flue and 208/230V single-phase 60 Hz power with a 17.1 to 25-amp breaker. The A-coil style works with standard upflow and horizontal configurations. Ductwork connections use standard 3/8-inch liquid and 3/4-inch suction lines with pre-insulated suction line. Most licensed HVAC contractors can handle installation within one day, and the compact 30-inch height fits most furnace closets and basements.

Warranty & Reliability

The 10-year warranty requires online registration and provides solid baseline coverage against manufacturing defects. This covers both furnace and air conditioning components, though specific terms for compressor and heat exchanger should be verified in the manual. It's a respectable warranty for budget equipment, though not as comprehensive as some premium brands offering 15-year coverage.

Specifications

SKU	LS38343850
Brand/Manufacturer	Online Supply
Cooling BTU	30,000
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)	72
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.
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 Ton
Liquid Line	3/8"
Suction Line	3/4"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

How does 14 SEER compare to newer AC systems? +

14 SEER is baseline acceptable performance but behind modern standards. Today's high-efficiency units reach 18-21 SEER, meaning they'd cool the same home using 25-33% less electricity annually. However, 14 SEER still qualifies for many utility rebates and provides reasonable operating costs for moderate climates.

Is 80% AFUE furnace efficiency adequate? +

80% AFUE is functional but dated. It means 20% of heating energy escapes unused. Modern condensing furnaces reach 95-98% AFUE, reducing heating costs by roughly 15-20%. This Goodman works fine in mild winters but costs significantly more to operate in cold climates compared to newer equipment.

Will this system fit my basement furnace space? +

At 30 inches tall, 17.5 inches wide, and 21 inches deep, this should fit most standard furnace closets and basements. Verify your existing space height and depth before purchasing. The upflow configuration works well for homes with basements and ductwork running above.

How does this compare to a basic window AC unit plus space heater? +

This integrated system is far more efficient, quieter, and eliminates separate equipment. Window units waste energy through frame gaps, while this system distributes conditioned air evenly throughout your home. Long-term operating costs favor central systems despite higher upfront investment.

Does the warranty cover refrigerant? +

The 10-year warranty typically covers the compressor and coil hardware. Refrigerant charges and labor may have separate terms, so check the documentation. Online registration is required to activate the full warranty period.

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