4 Ton 14 SEER 80% AFUE 80,000 BTU Goodman Gas Furnace and Heat Pump System - Upflow Review 2026

// Bottom Line

This ACiQ unit delivers respectable efficiency gains over older systems at a competitive price point, making it ideal for homeowners replacing 10-15 year old equipment who want meaningful savings without premium pricing. The 14 SEER rating and Energy Star certification provide real value in moderate climates, though it's not a high-efficiency flagship model.

Review

The ACiQ 4-5 ton gas furnace and heat pump system represents a practical middle ground in the residential HVAC market. With a 14 SEER cooling rating and Energy Star certification, this unit targets homeowners and contractors looking for credible efficiency gains beyond basic equipment without entering premium pricing territory. The combination of heat pump cooling and 80% AFUE gas furnace backup is a common approach that balances seasonal heating and cooling needs across varied climates.

Performance specs tell an interesting story here. The system delivers 46,000 BTU cooling and 47,000 BTU heating, positioning it as a true 4-ton unit despite 5-ton branding. The 14 SEER rating translates to approximately 30 percent better efficiency than 10 SEER baseline models, which matters on electric bills across cooling seasons. The 80% AFUE furnace means 20 percent of heating fuel converts to waste, typical for atmospheric burners. The single-stage scroll compressor keeps complexity and maintenance requirements reasonable.

Pros & Cons

Pros

14 SEER rating qualifies for Energy Star with documented efficiency improvements over base models
80% AFUE gas furnace backup ensures reliable heating in cold climates without heat pump dependency
R454B refrigerant meets current environmental standards and future regulatory requirements
Multi-speed PSC blower motor with 2000 CFM maximum capacity adapts to various ductwork configurations
10-year warranty with online registration provides substantial coverage for mid-market systems

Cons

Single-stage compressor and condenser limit efficiency compared to 16+ SEER variable-capacity models
47,000 heating BTU output is notably lower than stated 4-5 ton rating, requiring gas furnace reliance in extreme cold
74 dB noise level is moderately loud, particularly noticeable during high-demand cooling cycles
Requires 208/230V single-phase power, limiting compatibility with some older residential panels

Who Should Buy

Best For

Homeowners in climate zones with moderate heating and cooling demands who are replacing 2010-2015 equipment and want measurable efficiency improvements without the premium cost of variable-capacity systems. Contractors seeking reliable, straightforward equipment for mid-range residential replacement jobs.

Consider Alternatives If

Buyers in extremely cold climates should consider higher heating BTU units, and those prioritizing quiet operation should audition this model before purchase.

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

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Installation

Installation demands standard residential expertise. The system requires 208/230V single-phase 60 Hz power with 26.4 to 40 amp breaker capacity, typical of most homes. The upflow/horizontal configuration fits standard furnace closets and basements. Refrigerant lines use 3/8 inch and 1 1/8 inch connections with sweat valves, standard for professional installation. Metal flue venting from the top requires proper combustion air supply planning.

Warranty & Reliability

ACiQ includes 10-year comprehensive coverage when you register online, a reasonable protection span for this equipment class. Coverage includes parts and compressor defects, typical for mid-market systems. Registration is straightforward and activates protection immediately. This warranty positions the unit competitively against similar Goodman-branded equipment, though premium brands sometimes extend coverage further.

Specifications

SKU	ACIQ-48-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	46,000
Heating BTU	47,000
Refrigerant	R454B
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	74
Weight (in lbs)	120.000000
Feature	Spec
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Multi Speed - PSC
Maximum CFM	2000
Configuration	Upflow / Downflow
Flue Location	Top
Burner Stages	Single
Fuel Type	Gas
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.
Replaces	GSZ140491
Product Features	Rebate Available
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	40 amps
Min. Breaker Size	26.4 amps
Tonnage	5 Ton
Valve Type	Sweat
Liquid Line	3/8"
Suction Line	1 1/8"
Style	A-Coil
Suction Line Insulation Thickness	1/2"
Length	50 feet

Frequently Asked Questions

Why is the heating BTU output (47,000) lower than expected for a 4-5 ton unit? +

The rating reflects cooling capacity, which is industry standard. Gas furnace heating is rated independently at 80% AFUE, producing 47,000 BTU net output. In heating-dominant climates, this becomes the primary heat source. The heat pump provides supplemental heating down to approximately 35-40 degrees outdoor temperature.

Can this system work with my older ductwork and thermostat? +

Likely yes. The multi-speed PSC blower adapts to various duct configurations. You'll need a compatible thermostat with heat pump capability, ideally a programmable model. An HVAC contractor should verify static pressure and CFM delivery to existing ducts before installation.

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

SEER represents efficiency during moderate cooling conditions. A 14 SEER system uses roughly 30 percent less electricity than a 10 SEER model for identical cooling output. On a typical $150 monthly summer cooling bill, you'd save approximately $45 monthly compared to older equipment, depending on usage patterns and local electricity costs.

How does this compare to higher SEER variable-capacity heat pumps? +

Higher SEER units (16-20+) use variable-speed compressors and multiple staging for incremental efficiency gains in moderate weather, but cost considerably more. This single-stage system delivers solid, predictable performance at lower price. Choose variable-capacity for maximum efficiency in mild climates, or this model for balanced cost and performance.

Is the 10-year warranty enough protection? +

Yes, it's competitive for this category. Most failures occur within 5-7 years. This warranty covers manufacturer defects through year 10, providing meaningful protection. Beyond 10 years, planned maintenance and potential repairs become owner responsibility.

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