Goodman 4 Ton 14 SEER 80% 120,000 BTU Furnace & AC System - R410A Upflow Review 2026

// Bottom Line

This ACiQ system delivers reliable 80% AFUE heating and 14 SEER cooling at reasonable cost, making it ideal for homeowners replacing older equipment who want solid efficiency without premium pricing. Best suited for moderate climates where heating and cooling loads are balanced.

Review

The ACiQ (branded as Goodman) 5-ton system occupies a practical middle ground in the HVAC market. With 14 SEER cooling and 80% AFUE heating, it delivers respectable efficiency without demanding premium installation complexity or equipment cost. This upflow/horizontal configuration targets standard residential installations where both heating and cooling matter. The system uses R454B refrigerant, reflecting modern environmental standards without requiring specialized technician training beyond standard EPA certification.

Performance specs reveal a competent, if unspectacular, performer. The furnace generates 47,000 BTU heating with two-stage burner modulation and 80% efficiency, meaning roughly 16,000 BTU escapes as flue gas waste. The AC side produces 46,000 BTU cooling at 14 SEER with a scroll compressor running single-stage. Multi-speed blower reaches 2000 CFM maximum. At 74 dBA operation, noise levels stay reasonable for residential spaces. These figures represent solid mid-market performance, not efficiency leader status.

Pros & Cons

Pros

14 SEER rating with R454B refrigerant meets current efficiency standards without premium cost
80% AFUE furnace with two-stage burner provides responsive heating and decent modulation
Multi-speed blower motor allows flexible airflow management, 2000 CFM maximum capacity
Compact dimensions (30 x 24.5 x 21 inches) fit tight utility closets or basement spaces
10-year warranty with online registration provides reasonable coverage for mid-market equipment
Energy Star rated system qualifies for utility rebates in most regions

Cons

14 SEER is respectable but trails 16-18 SEER systems by meaningful annual cooling costs
80% AFUE furnace requires 80,000 BTU waste heat vented, less efficient than 95%+ systems
Single-stage condenser compressor cycles on/off rather than modulating, reducing efficiency during mild weather
Product title lists Goodman branding but specs show ACiQ manufacture, potential confusion on support

Who Should Buy

Best For

Budget-conscious homeowners replacing 15+ year old systems who live in mixed climates and want proven mid-tier efficiency without overspending on premium brands. Contractors seeking reliable equipment for residential retrofits where cost per ton matters.

Consider Alternatives If

Anyone in hot climates needing maximum cooling efficiency, homes with gas heat rarely used, or buyers who can afford 95%+ AFUE furnaces should look at higher-tier alternatives.

Goodman 4 Ton 14 SEER 80% 120,000 BTU Furnace & AC

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Installation

Installation requires standard residential HVAC skills. The upflow/horizontal configuration fits typical basement or closet mounting. You'll need metal exhaust flue for the furnace, 208/230V single-phase power, and 26.4 to 40-amp breaker sizing. Refrigerant lines run 3/8 inch liquid and 1 1/8 inch suction with 1/2 inch insulation thickness, supporting up to 50 feet of line length. No specialized tools beyond standard EPA-certified refrigeration equipment needed.

Warranty & Reliability

ACiQ provides 10-year coverage when you register the system online, standard for mid-market equipment. Coverage includes parts and compressor protection. This timeframe aligns with typical unit lifespan expectations of 15-20 years, meaning you'll pay out-of-pocket for repairs in years 11 and beyond. No mention of labor coverage, which is typical at this price point.

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
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	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Multi-Speed
Maximum CFM	2000
Configuration	Upflow / Downflow
Burner Stages	Two
Fuel Type	Gas
Height	30"
Width	24.5"
Depth	21"
Resources	CAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
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

What's the actual difference between 14 SEER and higher-efficiency units? +

A 14 SEER system costs roughly 15-20% less than 16+ SEER equipment but uses approximately 12-15% more electricity for cooling annually. In moderate climates, this equals 200-400 dollars more per year. Higher efficiency pays back over 8-12 years depending on electricity rates and cooling demand.

Does this furnace work with existing ductwork? +

Yes, if your current ducts are sized for 2000 CFM maximum airflow at reasonable static pressure. Have a contractor verify duct friction loss. Undersized ductwork limits the blower motor's effectiveness and increases utility bills. Most homes built after 1990 accommodate this system.

Will this qualify for utility rebates? +

Energy Star certification makes it eligible for most utility company rebates, typically 300-800 dollars depending on your region. Check your local utility's HVAC rebate program before purchasing. Some programs require pre-approval, so verify timing with your installer.

How does 14 SEER compare to competitor mid-tier systems? +

Most name-brand competitors at this price point offer 14-15 SEER. Trane and Lennox comparable models cost 10-15% more but rarely deliver proportional efficiency gains. Goodman and ACiQ represent better value in this tier, though less brand prestige affects resale perception.

What if the system fails after year 10? +

Full repair costs become your responsibility. For a 5-ton compressor replacement, expect 1500-2500 dollars labor and parts out-of-pocket. Many contractors offer extended warranties for 100-200 dollars annually, worth considering if you plan staying in the home 15+ years.

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