4 Ton 14 SEER Goodman Air Conditioner with Vertical 24.5" Uncased Coil Review 2026

// Bottom Line

This ACiQ unit delivers reliable 14 SEER1 cooling for contractors seeking a balanced efficiency and cost option in the 4-ton range. Best suited for retrofit jobs and new construction where standard SEER performance meets tight budgets without sacrificing dependability.

Review

The ACiQ 4-ton air conditioner with vertical uncased coil represents a practical entry point in the modern efficiency tier. Built around R454B refrigerant and a single-stage scroll compressor, this unit targets contractors balancing performance requirements with project economics. At 48,000 BTU capacity and 14 SEER1 rating, it competes directly against comparable Goodman and Lennox units where reputation matters less than reliable cooling delivery.

Performance specifications confirm competent baseline efficiency. The 14 SEER1 rating delivers approximately 13.8 BTU per watt of compressor input, translating to real utility savings versus 10-12 SEER legacy equipment. Operating on 208/230V single-phase power with a 45-amp maximum breaker requirement, it integrates into standard residential electrical infrastructure. At 74 dB sound level, noise output sits midrange, acceptable for most installations but not whisper-quiet like variable-speed alternatives.

Pros & Cons

Pros

14 SEER1 efficiency balances performance against operating costs over system lifetime
R454B refrigerant meets current environmental standards and future regulations
Scroll compressor design provides proven reliability and quiet operation at 74 dB
10-year warranty with online registration covers defects and manufacturing issues
Single-stage operation simplifies wiring and reduces component count for reliability
Vertical 24.5-inch uncased coil fits tight furnace cabinets and compact spaces

Cons

No ENERGY STAR certification limits appeal to efficiency-focused buyers
Single-stage compressor cannot modulate output for varying load conditions
74 dB noise level runs slightly louder than variable-speed competitors

Who Should Buy

Best For

Contractors and homeowners replacing older 10-14 SEER equipment in existing systems where mid-range efficiency meets replacement budgets. Property owners in moderate climates where extreme SEER ratings don't justify cost premium.

Consider Alternatives If

Buyers prioritizing ENERGY STAR certification or seeking variable-capacity cooling should explore higher-tier competitors or units with inverter-drive compressors.

4 Ton 14 SEER Goodman Air Conditioner with Vertica

Buy at HVACDirect →

Installation

Installation leverages industry-standard 3/8-inch liquid and 7/8-inch suction line connections. The vertical 24.5-inch uncased A-coil mounts directly above furnaces in upflow or downflow configuration, accommodating 30-foot line set runs with included 3/8-inch insulation. Technicians need 45-amp circuit minimum and proper R454B recovery equipment. Straightforward mounting simplifies first-time installation.

Warranty & Reliability

Ten-year parts coverage activates upon online registration, protecting against manufacturing defects and compressor failure. Standard industry terms exclude wear items and installation labor. Goodman's coil compatibility extends coverage to matched indoor equipment. Registration requirement demands homeowner attention but remains hassle-free for documented ownership.

Specifications

SKU	ACIQ-48-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	48,000
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
Energy Star	No
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	4 Ton to 5 Ton
Height	27"
Width	23"
Depth	20 1/8"
Resources	CAUF Installation Manual CAUF 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.
Configuration	Upflow / Downflow
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 14 SEER1 translate to monthly cooling costs? +

At 14 SEER1, monthly electricity consumption runs approximately 7-10% lower than 12 SEER units under identical cooling load. Annual savings range $80-150 in moderate climates, payback over 5-7 years versus used equipment. Exact figures depend on local rates, runtime, and duct efficiency.

Can this unit replace my existing Goodman or Carrier condenser? +

Yes, with caveats. Standard 3/8-inch and 7/8-inch refrigerant lines connect universally, but indoor coil and outdoor unit must match within same refrigerant class. R454B compatibility requires proper recovery and retrofit procedures. Consult manufacturer compatibility charts before purchase.

Will this handle high-heat climates like Phoenix or Dallas? +

Adequately but not optimally. Single-stage compressors cannot modulate capacity in extreme heat, risking on-off cycling and higher energy consumption. Variable-capacity units outperform in sustained 100+ degree environments. This unit suits moderate-to-warm climates better than desert applications.

How does this compare to similarly-priced Goodman or Lennox units? +

ACiQ offers equivalent efficiency and reliability at $200-400 less than branded alternatives. Scroll compressor design matches OEM quality. Trade-off involves fewer distributor networks and slightly lower brand recognition, but performance and warranty remain competitive.

Does online warranty registration affect coverage if I skip it? +

Coverage technically applies without registration, but proof of purchase becomes essential for claims. Registration simplifies the process and ensures Goodman's records align with your ownership. Highly recommended despite not being mandatory.

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