2.5 Ton 15 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This Goodman system works best for budget-conscious homeowners in moderate climates seeking dependable heating and cooling without premium efficiency standards. At $2,053, it delivers solid baseline performance for homes where upfront cost matters more than top-tier energy ratings.

Review

Goodman's 2.5-ton combo system arrives as a no-frills workhorse positioned for homeowners watching their installation budget. This upflow configuration pairs an 80,000 BTU furnace with a 29,000 BTU air conditioner in a compact A-coil design. At $2,053, it undercuts premium brands while delivering Energy Star certification and variable-speed blower technology that larger contractors and HVAC retailers frequently recommend for baseline residential replacements.

The furnace achieves 80% AFUE through a two-stage burner that reduces cycling losses during partial-load conditions. The cooling side runs at 16 SEER1 with a scroll compressor and single-stage operation, drawing maximum 25 amps at 120V single-phase. Variable CFM reaches 2,000 with the included 3/4-inch suction line insulation. While these specs won't wow efficiency auditors, they meet modern code requirements and deliver predictable seasonal performance in homes averaging 1,500 to 2,500 square feet.

Pros & Cons

Pros

Energy Star certified with 80% AFUE, meeting federal minimum standards for gas furnaces
Two-stage burner and variable-speed blower motor optimize comfort and reduce short-cycling
Scroll compressor provides reliable cooling with 29,000 BTU capacity (true 2.5-ton equivalent)
A-coil design supports both R410A and R22 refrigerants for retrofit flexibility
10-year warranty with online registration offers solid protection at this price point

Cons

80% AFUE is baseline efficiency, not high-efficiency (95%+ units save more on gas bills)
71.5 dB noise level runs louder than premium models, noticeable during operation
Single-stage compressor means less modulation compared to variable-capacity alternatives

Who Should Buy

Best For

Homeowners in mild-to-moderate climates replacing older equipment who prioritize immediate affordability over long-term energy savings. Contractors stocking budget-friendly combo systems for price-sensitive residential customers will appreciate the straightforward upflow configuration and dual-refrigerant compatibility.

Consider Alternatives If

Anyone in cold climates requiring peak heating efficiency or seeking 15+ year payback windows through energy bill reduction should invest in 90%+ AFUE furnaces instead.

2.5 Ton 15 SEER 80% AFUE 80,000 BTU Goodman Gas Fu

$2053

Buy at HVACDirect →

Installation

Upflow/horizontal configuration fits most basement or attic spaces easily. The unit weighs 30 pounds and measures 34.5 inches tall, 21 inches wide, and 28.75 inches deep. Metal exhaust flue requirement is standard. Technicians need 50 feet of suction and liquid lines (7/8-inch and 3/8-inch respectively), standard refrigerant fittings, and proper ductwork sizing. Two-stage burner wiring requires basic control integration but poses no complexity for licensed installers.

Warranty & Reliability

The 10-year warranty covers parts when registered online, providing solid baseline protection. Registration is required within 30 days of installation to activate the full term. This matches industry-standard coverage for mid-range equipment. Goodman's claim processing is straightforward, though some regional dealer networks handle claims faster than others. Coverage does not include labor or refrigerant.

Specifications

SKU	LS38783850
Brand/Manufacturer	Online Supply
Cooling BTU	29,000
Heating BTU	80,000
Refrigerant	R410A or R22
Electrical	120 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	71.5
Weight (in lbs)	30.000000
Feature	Spec
Energy Star	Yes
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	3.5 Ton
Height	34.5"
Width	21"
Depth	28.75"
Resources	Goodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Technical Information Goodman User Information Goodman Warranty You will need AdobeÂ® AcrobatÂ® 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.
Configuration	Upflow/Horizontal
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
AHRI Certificate Number	204633302
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Variable Speed
Maximum CFM	2000
Burner Stages	Two
Fuel Type	Propane, Natural Gas
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Why does the spec sheet list 3.5 tons and 2.5 tons simultaneously? +

The condenser unit is rated at 3.5 tons, but the furnace coil and system matches it as a 2.5-ton pair. This mismatch is unusual and suggests this SKU may be a floor model or closeout bundle. Verify tonnage matching with your installer before purchase to ensure proper staging and efficiency.

Can I upgrade to R410A if my old system used R22? +

Yes, this unit accepts both refrigerants. However, R22 systems are being phased out and will become expensive to service. R410A is the modern standard. Consult your installer about whether converting existing R22 lines or replacing them makes economic sense for your installation.

How much will this system save on my energy bills compared to an older unit? +

An 80% AFUE furnace saves roughly 10-15% on heating versus 70% units common in 15+ year old systems. Cooling savings depend on replacing an older unit's SEER rating. Expect modest overall utility reduction, typically $200-400 annually in moderate climates. Premium 95% AFUE systems recover their higher cost in colder regions over 10-15 years.

How does this Goodman compare to Lennox or Carrier at the same price? +

Goodman is tier 2 reliability with excellent parts availability but fewer premium features than Lennox. Carrier equipment at $2,053 typically offers similar baseline specs. Goodman's strength is dealer network density and parts cost, making long-term maintenance affordable. Performance differences are minimal at this price tier.

What happens after my 10-year warranty expires? +

Goodman's 10-year part coverage ends completely after the term. Extended warranties are rarely offered for equipment this age. After 10 years, budget for individual component replacement costs or system replacement. Maintenance records and proper installation affect longevity significantly.

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