4 Ton 14 SEER 96% AFUE 120,000 BTU Goodman Gas Furnace and Air Conditioner System - Downflow Review 2026

// Bottom Line

This Goodman system delivers excellent value for homeowners upgrading older equipment or contractors managing budget-conscious projects. The 96% AFUE furnace and 14 SEER air conditioner combo hits the efficiency sweet spot without premium pricing, making it ideal for moderate climates where heating and cooling both matter.

Review

The Goodman 4-ton combined gas furnace and air conditioning system occupies the practical middle ground in the residential HVAC market. At $3,136, it undercuts premium brands while delivering respectable efficiency ratings. This downflow-configured unit targets homeowners replacing aging systems and contractors balancing performance with budget constraints. The combination of 96% AFUE heating and 14 SEER cooling makes it competitive against mid-range alternatives, though it avoids premium pricing that comes with higher SEER or AFUE ratings.

Performance metrics tell a straightforward story. The furnace produces 120,000 BTU of heating output across two burner stages, while the air conditioner delivers 48,000 BTU of cooling capacity. The variable-speed ECM blower reaches 2,000 CFM maximum airflow and adjusts automatically to reduce runtime and energy waste. The 14 SEER1 rating qualifies for ENERGY STAR recognition, and the modern R454B refrigerant meets current environmental standards. Operating on 115V single-phase 60Hz power, installation requires a 26.4 to 45-amp breaker.

Pros & Cons

Pros

96% AFUE furnace efficiency reduces heating costs significantly compared to 80-90% models
14 SEER rating meets ENERGY STAR standards, qualifying for utility rebates in many regions
Two-stage burner and variable-speed ECM blower provide comfort and efficiency during partial-load operation
120,000 BTU heating capacity with 48,000 BTU cooling handles most residential applications
R454B refrigerant uses modern, environmentally responsible chemistry
10-year parts warranty with online registration covers major components

Cons

Single-stage compressor means cooling output is all-or-nothing, less precise than two-stage systems
74 dB noise level is average for units in this class, may be noticeable in quiet settings
Listed specs show 5-ton tonnage discrepancy with 4-ton marketing claim, creating confusion

Who Should Buy

Best For

Homeowners in mixed climates who need reliable heating and cooling without paying premium prices, and contractors installing systems for clients with $3,000-3,500 budgets. This unit rewards those who value efficiency ratings over brand prestige.

Consider Alternatives If

Anyone seeking premium variable-capacity cooling should look at two-stage compressor models, as this single-stage approach cannot modulate output for better part-load efficiency.

4 Ton 14 SEER 96% AFUE 120,000 BTU Goodman Gas Fur

$3136

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Installation

Downflow configuration suits basement or attic installations where ductwork runs downward. The unit measures 30 inches tall by 24.5 inches wide by 21 inches deep, requiring careful measurement of installation space. Plastic or PVC exhaust flue is required for the furnace. The scroll compressor and A-coil design demand proper refrigerant line sizing, 3/8 inch liquid line and 7/8 inch suction line with 3/8 inch insulation. Professional installation is strongly recommended.

Warranty & Reliability

Goodman backs this system with a 10-year parts warranty when you complete online registration after purchase. This covers the compressor, heat exchanger, and major components. Labor warranty terms vary by installer, so confirm details before committing. Registration is straightforward but required, not automatic upon purchase.

Specifications

SKU	ACIQ-48-EHPD-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	48,000
Heating BTU	120,000
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	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.
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	7368845
Airflow Direction	Downflow/Horizontal
Exhaust Flue Requirement	Plastic / PVC
Product Features	Rebate Available
Furnace Efficiency / AFUE	96%
Blower Motor	Variable Speed - ECM
Maximum CFM	2000
Configuration	Upflow / Downflow
Burner Stages	Two
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

What does the 96% AFUE rating mean for my heating bills? +

AFUE measures furnace efficiency, meaning 96% of fuel energy heats your home while only 4% escapes as waste. Compared to older 80% AFUE units, you'll save roughly 16% on heating costs annually. Exact savings depend on climate, home insulation, and usage patterns. A typical household sees $200-400 yearly savings versus older equipment.

Can I install this system myself, or do I need a professional? +

Professional installation is essential. This involves refrigerant recovery, proper line sizing, electrical connections, and flue venting. DIY installation voids warranty and risks safety issues. Hiring a licensed HVAC contractor ensures correct setup, optimal performance, and legal compliance with EPA refrigerant handling regulations.

How does 14 SEER compare to other cooling systems on the market? +

14 SEER is solid mid-range efficiency. ENERGY STAR minimum is 14.5 SEER, so this just misses that threshold. Higher-end systems reach 16-18 SEER but cost $1,500-2,500 more. For moderate climates with moderate cooling demand, 14 SEER delivers good efficiency without premium pricing, offering excellent value.

Is the single-stage compressor a limitation compared to two-stage models? +

Single-stage compressors run fully on or fully off, cycling more frequently during light cooling days. Two-stage compressors ramp down to lower capacity, running longer but reducing energy waste during mild weather. For consistently hot climates, two-stage is better. For mixed climates with variable demand, this single-stage model works reliably.

What's covered under the 10-year warranty, and do I need to register? +

The warranty covers compressor, heat exchanger, and major components for 10 years. Online registration is required within a set timeframe after purchase, so don't skip this step. Labor is typically not covered. Read the full warranty document before installation to understand all terms and conditions.

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