2.5 Ton 13 SEER 97% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow Review 2026

// Bottom Line

This system excels for homeowners in moderate climates seeking solid heating efficiency without premium cooling costs. The 97% AFUE furnace with modulating burners keeps heating bills competitive, while the 13 SEER air conditioner handles summer loads adequately for 2.5 to 3.5 ton applications.

Review

This Goodman downflow system bundles a high efficiency furnace with a modest air conditioner, creating a practical middle ground for contractors balancing performance against budget constraints. The 80,000 BTU heating capacity serves homes up to 3,500 square feet, while the 30,000 BTU cooling component (2.5 ton equivalent) handles supplemental AC duty. Downflow configuration and plastic flue compatibility make retrofit and new construction installs straightforward across diverse equipment rooms.

The furnace's 97% AFUE rating and modulating burner technology deliver efficient heating, adjusting output from low to high as temperature demands change, minimizing excess fuel consumption. On the cooling side, 13 SEER1 performance keeps operating costs reasonable without demanding cutting edge compressor technology. The variable speed ECM blower motor ramps CFM from light comfort circulation to full 1600 CFM output, reducing energy waste during partial load conditions that dominate most days.

Pros & Cons

Pros

97% AFUE furnace rating exceeds most competitors, recovering nearly all fuel energy for heat
Modulating burners adjust output in real time, reducing short cycling and improving comfort
Variable speed ECM blower motor optimizes airflow across heating and cooling seasons
Energy Star certified system qualifies for utility rebates in many regions
Downflow/horizontal configuration fits basements, attics, and tight closets with 30 inch height
10 year warranty with online registration covers both furnace and compressor

Cons

13 SEER cooling trails modern 14-16 SEER units, limiting summer efficiency gains
Single stage compressor lacks variable capacity for gradual cooling ramp up
73 dB noise level sits above quieter inverter-driven competitors during AC operation
R454B refrigerant still represents transitional standard, not future A2L mainstream

Who Should Buy

Best For

Contractors and homeowners in cold climates who prioritize winter heating efficiency and need a proven, straightforward system without paying for premium cooling features they won't fully use. This pairing works best for mixed-use residential properties where furnace run time dominates annual operating hours.

Consider Alternatives If

Anyone in hot climates where AC runtime exceeds 8 months yearly or homeowners seeking cutting edge 16+ SEER efficiency should explore higher tier compressors with variable capacity.

2.5 Ton 13 SEER 97% AFUE 80,000 BTU Goodman Gas Fu

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Installation

Downflow orientation works in basements and attic spaces with tight height constraints, measuring just 30 inches tall by 21 inches wide. The system requires standard 115V single phase 60 Hz household power with a 16.7 to 25 amp breaker, fitting typical residential electrical service. Plastic PVC flue compatibility streamlines venting in modern homes, avoiding costly masonry chimneys or heavy metal ductwork.

Warranty & Reliability

Goodman offers a full 10 year warranty when registered online, covering compressor, furnace heat exchanger, and internal components. This extended protection beats many contractors' expectations and signals manufacturer confidence in unit longevity. Registration takes minutes and typically unlocks warranty benefits immediately upon purchase.

Specifications

SKU	ACIQ-30-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	30,000
Heating BTU	80,000
Refrigerant	R454B
Electrical	115 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	73
Weight (in lbs)	120.000000
Feature	Spec
Energy Star	Yes
SEER1 (Efficiency)	13
Condenser Stages	Single Stage
Compressor Type	Reciprocating
Liquid Line	3/8"
Suction Line	3/4"
Liquid Valve Size	3/8"
Max Breaker Size	25 amps
Min. Breaker Size	16.7 amps
Tonnage	3.5 Ton
Valve Type	Sweat
Height	30"
Width	21"
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.
AHRI Certificate Number	7424271
Airflow Direction	Downflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Product Features	Rebate Available
Furnace Efficiency / AFUE	97%
Blower Motor	Variable Speed - ECM
Maximum CFM	1600
Configuration	Upflow / Downflow
Flue Location	Right
Burner Stages	Modulating
Fuel Type	Propane, Natural Gas
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

How does 13 SEER1 compare to newer 14-16 SEER systems? +

13 SEER1 cooling operates about 7-10% less efficiently than 15 SEER equipment, costing roughly $100-150 more annually in AC runtime. For homes in moderate climates where cooling runs 4-6 months, the difference remains modest. Premium 16 SEER units justify costs primarily in hot climates exceeding 8 months of air conditioning use.

Will this furnace work with my existing ductwork? +

Yes. The modulating burner and variable speed blower adapt to existing duct sizing and configuration. Verify your current system handles 1600 CFM maximum airflow without restriction. Blocked or undersized ducts reduce efficiency, so professional airflow testing before installation prevents problems.

What does 97% AFUE mean for my heating bills? +

97% AFUE means 97 cents of every natural gas or propane dollar converts to usable heat, wasting only 3 cents up the flue. Modulating burners further reduce waste by avoiding overshooting room temperature. Homeowners typically save 10-15% on winter heating costs versus 80-85% AFUE equipment.

Should I choose this or a higher SEER 2-stage system? +

Choose this for heating-heavy climates and contractor simplicity. Pick 2-stage or variable capacity for hot regions where AC runtime dominates. The modulating furnace here delivers superior heating efficiency, offsetting single stage cooling limitations in mixed climates.

Is the 10 year warranty worth registering online? +

Absolutely. Registration is free and takes two minutes. Coverage includes compressor failure, which costs $1500-2500 to replace. Ten years protection makes the small registration effort worthwhile for any homeowner planning to stay in their home.

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