2.5 Ton 15 SEER 96% AFUE 100,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This Goodman system excels for homeowners upgrading from older equipment who want solid efficiency gains without premium pricing. The 96% AFUE furnace and SEER 16 condenser make it ideal for moderate climates where both heating and cooling demand varies seasonally.

Review

The Goodman 2.5 Ton gas furnace and air conditioner system positions itself as a practical mid-market option for homeowners seeking reliable climate control without premium pricing. Goodman manufactures straightforward equipment favored by contractors for dependable performance and availability. This upflow configuration suits typical basement or utility room installations across residential applications. The combination of dual-stage heating and single-stage cooling balances efficiency with simplicity.

Efficiency numbers deserve close attention here. The furnace delivers 96% AFUE on 100,000 BTU input, meaning minimal heat escapes through the flue compared to older 80-85% units. The condenser achieves SEER 16, qualifying for Energy Star recognition, though real-world cooling capacity shows 29,000 BTU output. The scroll compressor and multi-speed ECM blower enable graduated performance rather than simple on-off operation, improving comfort during partial-load conditions typical of spring and fall.

Pros & Cons

Pros

96% AFUE furnace efficiency reduces heating costs compared to 80% baseline units
SEER 16 condenser rating qualifies as Energy Star certified for tax incentives
Two-stage burner allows modulating heat output, improving comfort and reducing energy waste
Multi-speed ECM blower motor automatically adjusts CFM from idle to 1600 CFM based on demand
Scroll compressor is reliable workhorse technology with established track record
PVC plastic exhaust flue allows flexible, cost-effective installation versus rigid metal

Cons

Spec sheet lists both 2.5 ton and 3.5 ton tonnage, creating confusion about actual cooling capacity
Single-stage condenser cannot modulate cooling output, only cycles on and off
71.5 dB noise level is moderately loud, particularly noticeable during peak operation
Cooling BTU of 29,000 does not align cleanly with stated tonnage specifications

Who Should Buy

Best For

Homeowners in mixed-climate zones replacing 15-20 year old furnace and AC units will appreciate the efficiency gains and modest price point. Contractors valuing straightforward installation and good parts availability also find this system practical for residential retrofit jobs.

Consider Alternatives If

Skip this if you need variable-capacity cooling (single-stage compressor limits modulation) or live in extreme heat climates where oversized capacity matters.

2.5 Ton 15 SEER 96% AFUE 100,000 BTU Goodman Gas F

Buy at HVACDirect →

Installation

Installation requires standard refrigerant line connections using 3/8 inch liquid line and 7/8 inch suction line with 3/4 inch insulation. The unit demands 115V single-phase 60Hz electrical service with 17.1 to 25 amp breaker capacity. PVC flue installation offers flexibility versus traditional metal ducting. Technicians should verify existing ductwork compatibility with the 1600 CFM maximum blower output to avoid system imbalance.

Warranty & Reliability

The 10-year warranty requires online registration to activate full coverage. This extended period protects against compressor failure and heat exchanger defects, common failure points. Registration is straightforward but essential, so buyers should complete it immediately after installation. Coverage terms align with industry standards for mid-tier equipment.

Specifications

SKU	LS38783850
Brand/Manufacturer	Online Supply
Cooling BTU	29,000
Heating BTU	100,000
Refrigerant	R410A or R22
Electrical	115 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	26"
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	Plastic / PVC
Furnace Efficiency / AFUE	96%
Blower Motor	Multi-Speed - ECM
Maximum CFM	1600
Configuration	Upflow / Downflow
Flue Location	Right
Burner Stages	Two
Fuel Type	Gas
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Does this system qualify for rebates or tax credits? +

Yes, the Energy Star certification on the SEER 16 condenser makes it eligible for utility rebates and federal tax incentives in many states. Check with your local utility company and tax advisor for current program details and application deadlines.

What electrical upgrades are needed for installation? +

The system requires 115V single-phase 60Hz service with a 17.1 to 25 amp breaker. Most homes have sufficient capacity in existing panels. A licensed electrician should verify your panel configuration before purchase to avoid unexpected upgrade costs.

How does the two-stage burner improve performance? +

The two-stage burner modulates between high and low fire, running at reduced output during mild weather. This minimizes on-off cycling, maintains steadier temperatures, and cuts fuel consumption compared to single-stage units that run at full capacity regardless of demand.

Should I choose this over a higher-tonnage system? +

Tonnage mismatch is common and costly. Oversized units cycle frequently, wasting energy. Undersized units run continuously in peak conditions. Have a professional load calculation performed based on square footage, insulation, and windows before deciding between this 2.5 or 3.5 ton configuration.

Does the warranty transfer if I sell my home? +

Typically, the 10-year warranty is tied to the original registered owner. Transferability varies by retailer policy, so confirm details with Online Supply at time of purchase to understand coverage for future owners.

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