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 reliable heating and cooling for homeowners in moderate climates who prioritize upfront savings over premium efficiency ratings. At $2,705, it's an excellent choice for budget-conscious contractors and DIY installers who value straightforward setup and proven Goodman durability.

Review

The Goodman 2.5-ton upflow system sits squarely in the mainstream comfort segment, offering traditional split-system reliability without cutting-edge efficiency markup. At $2,705 including the furnace, air handler, and refrigerant lines, it addresses contractors and homeowners who need proven equipment fast. Goodman's reputation for durable compressors and straightforward service parts availability makes this combo appealing for regions where HVAC replacement happens frequently.

Performance numbers tell a practical story. The 14 SEER rating on the cooling side delivers roughly 14 BTU of cooling per watt consumed, while the 80,000 BTU furnace converts fuel at 80% AFUE, meaning you heat for $0.80 on the dollar. The variable-speed blower pushing 2,000 CFM ensures even air distribution throughout upflow installations. R410A refrigerant and a rotary compressor handle moderate-load cycles competently, though single-stage condenser design means higher energy draw during partial-capacity operation.

Pros & Cons

Pros

14 SEER rating provides solid cooling efficiency for reasonable operating costs in most climates
Two-stage burner delivers flexible heating performance with 80,000 BTU output at 80% AFUE
Variable-speed blower motor (2,000 CFM max) improves comfort and reduces runtime noise
Dual fuel capability supports both natural gas and propane without modifications
10-year warranty with online registration provides peace of mind at this price point

Cons

14 SEER is respectable but trails newer systems hitting 16-18 SEER, costing more monthly to operate
80% AFUE is standard for budget furnaces, meaning 20% of heating energy is lost up the flue
Single-stage condenser limits part-load efficiency during mild weather conditions
Not Energy Star certified, disqualifying it from rebates available to higher-efficiency models

Who Should Buy

Best For

Homeowners in regions with moderate heating and cooling demands who need immediate HVAC replacement without premium pricing. Contractors managing rental properties or fix-and-flip projects will appreciate the low cost, reliable performance, and straightforward installation.

Consider Alternatives If

Anyone in harsh climates requiring peak efficiency, homes with electric heating backup, or buyers pursuing rebates that require Energy Star certification should explore higher SEER/AFUE alternatives.

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

$2705

Buy at HVACDirect →

Installation

Installation requires standard split-system setup: 3/8-inch liquid line and 3/4-inch suction line (pre-insulated at 3/4 inches), 208/230V single-phase 60Hz electrical, and a metal flue for exhaust. The 30-inch tall, 24.5-inch wide footprint fits standard utility closets and basements. Variable-speed blower integration simplifies ductwork balancing compared to fixed-speed competitors.

Warranty & Reliability

Goodman provides 10 years of parts coverage when you register online after purchase, covering compressor, furnace heat exchanger, and evaporator coil defects. This is solid mid-tier protection. Registration is straightforward and strongly recommended, as non-registered units typically drop to 5-year coverage.

Specifications

SKU	LS38343850
Brand/Manufacturer	Online Supply
Cooling BTU	30,000
Heating BTU	80,000
Refrigerant	R410A
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
AHRI Certificate Number	204633307
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Variable Speed
Maximum CFM	2000
Configuration	Upflow / Downflow
Burner Stages	Two
Fuel Type	Propane, Natural Gas
Height	30"
Width	24.5"
Depth	21"
Resources	CAPT Installation Manual CAPT 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	3.5 Ton
Liquid Line	3/8"
Suction Line	3/4"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

What does the 14 SEER rating mean for my electric bills? +

14 SEER means the system produces 14 BTU of cooling per watt-hour consumed. For a 2,000-hour cooling season, you'll pay roughly $350-450 more annually than a 16 SEER system in the same home. Over 15 years, that's a $5,000-plus premium, so weigh this against the $2,705 purchase price.

Can I install this in a crawlspace or attic instead of upflow? +

Yes. The configuration spec lists upflow/downflow capability, so horizontal attic or horizontal crawlspace installations work with proper ductwork design. Verify the 30-inch height clears your space, and ensure metal exhaust flue routing complies with local codes.

Is the 80% AFUE furnace enough for cold climates? +

80% AFUE works fine in moderate climates (zones 5-6 average winter temps). In zones 7-8 with sustained subzero periods, consider 95% AFUE condensing furnaces instead. You'll recoup the upfront cost through lower gas bills within 5-7 heating seasons.

How does this compare to higher-SEER Trane or Lennox systems? +

Goodman competes on cost and reliability, not peak efficiency. A 16 SEER Trane runs $3,800-4,200 but costs $100-150 less annually to cool. Choose Goodman if you plan to sell in 7 years; choose Trane if you stay 12+ years and value quieter operation.

What happens to warranty coverage if I don't register? +

Registration extends coverage to 10 years. Without it, you're limited to 5-year parts coverage. Registration takes 5 minutes online after installation and is free, so register immediately.

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