4 Ton 14 SEER 98% AFUE 80,000 BTU Goodman Gas Furnace and Air Conditioner System - Upflow Review 2026

// Bottom Line

This 4-ton/5-ton split system works well for homeowners upgrading aging equipment who want solid efficiency without premium pricing. The 14 SEER rating and 98% AFUE furnace deliver real energy savings, while the variable-speed ECM blower and modulating burner adapt to actual heating and cooling loads.

Review

This ACiQ-branded split system combines a 5-ton air conditioner with an 80,000 BTU gas furnace designed for upflow or downflow installation. Positioned as a mid-tier offering, it delivers Energy Star certification while keeping configuration straightforward. The 14 SEER cooling rating and 98% AFUE heating efficiency appeal to contractors balancing homeowner budgets with measurable utility savings. ACiQ's partnership with Goodman provides established supply chains and familiar installation protocols across most service markets.

Cooling output reaches 48,000 BTU through a single-stage scroll compressor operating at 115V, requiring 26.4 to 45 amp service. The furnace modulates across multiple burner stages, ramping from partial load to full 80,000 BTU capacity as outdoor temperature drops. An ECM variable-speed blower adjusts airflow up to 1600 CFM based on demand, reducing energy waste during mild weather. R454B refrigerant support aligns with post-2024 regulatory requirements, protecting against future compatibility issues.

Pros & Cons

Pros

14 SEER rating qualifies for Energy Star, reducing operating costs in moderate to hot climates
98% AFUE furnace efficiency with modulating burner minimizes waste during partial-load heating
Variable-speed ECM blower adjusts output automatically, improving comfort and lowering runtime electrical draw
R454B refrigerant uses lower-GWP formulation, meeting current environmental standards
PVC exhaust compatibility simplifies venting in retrofit applications without metal ductwork

Cons

Single-stage air conditioner compressor cannot modulate capacity, cycling on and off rather than ramping smoothly
74 dB noise level sits at the upper end of acceptable range, noticeable during operation
Price listed as $0 suggests incomplete pricing data, making true value assessment difficult

Who Should Buy

Best For

Homeowners in ENERGY STAR regions replacing 10+ year old systems who prioritize heating efficiency and can manage modest cooling noise. Ideal for properties with stable occupancy where modulating heat matters more than variable cooling capacity.

Consider Alternatives If

Buyers seeking whisper-quiet operation or those in very hot climates where variable-capacity cooling provides meaningful comfort advantages should explore dual-stage or inverter-driven alternatives.

4 Ton 14 SEER 98% AFUE 80,000 BTU Goodman Gas Furn

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Installation

The A-coil configuration fits standard closet and attic spaces at 30 inches tall by 21 inches wide and deep. Suction and liquid lines accommodate 7/8-inch and 3/8-inch connections respectively, with pre-insulated suction line rated for 30-foot runs. PVC exhaust venting eliminates costly metal ductwork replacement. Electrical work demands attention to breaker sizing, but standard residential wiring handles the load.

Warranty & Reliability

ACiQ provides 10 years of parts coverage with online registration, a solid baseline for compressor and coil protection. Goodman evaporator coil warranty aligns with the compressor term, ensuring matched component coverage. Registration is required, so buyers must complete this step promptly to activate coverage and establish claim documentation.

Specifications

SKU	ACIQ-48-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	48,000
Heating BTU	80,000
Refrigerant	R454B
Electrical	115 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	74
Weight (in lbs)	120.000000
Feature	Spec
Energy Star	Yes
SEER1 (Efficiency)	14
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	45 amps
Min. Breaker Size	26.4 amps
Tonnage	5 Ton
Height	30"
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.
AHRI Certificate Number	7424266
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Furnace Efficiency / AFUE	97%
Blower Motor	Variable Speed - ECM
Maximum CFM	1600
Configuration	Upflow / Downflow
Burner Stages	Modulating
Fuel Type	Propane, Natural Gas
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
Suction Line Insulation Thickness	3/8"
Length	30 feet

Frequently Asked Questions

How does the single-stage compressor affect comfort compared to variable-capacity models? +

Single-stage compressors cycle fully on or off rather than modulating output. In mild spring and fall weather, this causes more frequent starts and stops, creating slight temperature swings. The modulating furnace compensates on the heating side, but cooling remains less granular than dual-stage or inverter systems.

What electrical upgrades do I need for this system? +

The system requires 115V single-phase 60Hz power with breaker capacity between 26.4 and 45 amps. Most homes have adequate service, but older properties with undersized panels may need upgrade work. A qualified electrician should verify existing breaker capacity before installation.

Will the 98% AFUE furnace noticeably lower heating bills? +

Yes, 98% AFUE versus typical 80% AFUE older equipment yields roughly 18% fuel savings in cold climates with significant heating load. In moderate zones, savings average 12 to 15% depending on thermostat setpoints and occupancy patterns. Actual payback depends on local gas rates and equipment lifespan.

How does this compare to mid-range Carrier or Lennox systems at similar SEER ratings? +

All carry comparable SEER 14 and AFUE 97-98% efficiency. Differences lie in compressor design (single versus dual-stage), noise output, and parts availability. ACiQ benefits from Goodman's distribution network, often yielding faster service calls and lower component costs than premium brands.

If I register late, can I still claim warranty coverage? +

ACiQ typically requires registration within 30 days of installation to activate 10-year coverage. Late registration may forfeit warranty protection entirely. Contact the manufacturer immediately if you miss the window to discuss possible exceptions.

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