Goodman 3 Ton 14 SEER 80% 120,000 BTU Furnace & AC System - R410A Upflow Review 2026

// Bottom Line

This Goodman 3-ton system is ideal for homeowners replacing aging equipment on a moderate budget who want reliable heating and cooling without overspending. The 14 SEER rating and 80% AFUE furnace strike a practical balance between efficiency gains and affordability, making it a solid choice for smaller homes and modest climates.

Review

The Goodman 3 Ton 14 SEER furnace and AC system represents a practical entry point for homeowners seeking reliable climate control without premium pricing. This upflow A-coil configuration works well in basements and utility closets where space permits the 36 by 29 by 29-inch footprint. The R410A refrigerant and scroll compressor technology position it as dependable midrange equipment. At this price point, you're trading some efficiency features for solid baseline performance that will serve most residential applications capably.

Performance specs tell a straightforward story. The 36,000 BTU cooling capacity delivers genuine 14 SEER efficiency, while the 36,000 BTU heating side operates at 80% AFUE with two-stage burner control for better temperature management. The multi-speed blower motor can push up to 2,000 CFM, and 74 dB noise levels keep operation reasonably quiet. This hardware won't set efficiency records against 16+ SEER systems, but the real-world difference costs significantly less to purchase and install.

Pros & Cons

Pros

14 SEER cooling efficiency exceeds minimum standards and qualifies for ENERGY STAR certification
80% AFUE furnace handles heating demands reasonably well with two-stage burner control
36,000 BTU capacity properly sized for 3-ton applications in residential settings
Multi-speed blower motor optimizes airflow across different operating conditions
Scroll compressor technology provides reliable, quieter operation at 74 dB

Cons

Single-stage condenser limits efficiency optimization compared to two-stage alternatives
80% AFUE is adequate but notably lower than high-efficiency models reaching 95%+
Metal exhaust flue requirement adds installation complexity and cost in some homes

Who Should Buy

Best For

Homeowners in mild to moderate climates replacing 10+ year old systems who prioritize value over cutting-edge efficiency. Contractors outfitting rental properties or investment homes appreciate the reliable performance and reasonable upfront cost.

Consider Alternatives If

Buyers in extremely hot or cold climates needing peak efficiency, or those seeking variable-speed components for maximum energy savings should consider higher SEER/AFUE models.

Goodman 3 Ton 14 SEER 80% 120,000 BTU Furnace & AC

$89

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Installation

Installation requires 208/230V single-phase power and a 22.4 to 30-amp breaker, standard for residential units. The metal exhaust flue requirement necessitates proper venting installation, adding complexity in some applications. Refrigerant line sizing uses 3/8-inch liquid and 7/8-inch suction lines with 3/4-inch suction valve insulation, all within typical contractor capabilities. Pre-assembly reduces field work, though HVAC professionals should review installation instructions thoroughly.

Warranty & Reliability

Goodman provides 10 years coverage upon online registration, protecting you against manufacturing defects across heating and cooling components. This registration requirement is simple but important, as failing to register voids coverage. The 10-year span adequately covers most systems through typical lifespan, though extended warranties are available through some dealers for additional protection.

Specifications

SKU	ACIQ-36-HPC-UPG
Brand/Manufacturer	ACiQ
Cooling BTU	36,000
Heating BTU	36,000
Refrigerant	R410A
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
Configuration	Upflow/Horizontal
Liquid Line	3/8"
Suction Line	7/8"
Tonnage	3 Ton
Style	A-Coil
Height	36"
Width	29"
Depth	29"
Resources	Goodman Specifications Goodman Customer Brochure Goodman Installation Instructions Goodman Kit Instructions Goodman Parts Manual Goodman Service Manual Goodman Warranty You will need AdobeÂ® AcrobatÂ® 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.
Airflow Direction	Upflow/Horizontal
Exhaust Flue Requirement	Metal
Furnace Efficiency / AFUE	80%
Blower Motor	Multi-Speed
Maximum CFM	2000
Burner Stages	Two
Fuel Type	Gas
Replaces	GSZ140371
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	3/4"
Max Breaker Size	30 amps
Min. Breaker Size	22.4 amps
Valve Type	Sweat
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

How does 14 SEER compare to modern air conditioning standards? +

14 SEER exceeds the current minimum of 13 SEER for most U.S. regions and qualifies for ENERGY STAR certification. However, newer systems reach 16-18 SEER. Over a 15-year lifespan, higher SEER models reduce cooling costs measurably, but this unit remains respectable for modest climates.

Is this system compatible with my existing ductwork? +

The 2,000 CFM maximum airflow capability fits standard residential ductwork. However, proper sizing depends on your home's actual duct layout and CFM requirements. Have an HVAC contractor measure your system before purchasing to confirm compatibility.

What heating efficiency should I expect from the 80% AFUE furnace? +

80% AFUE means 80 cents of every heating dollar translates to home warmth, losing 20% through exhaust. This is adequate for moderate climates but significantly less efficient than 95%+ AFUE models. Expect moderate heating savings if upgrading from older 60-70% units.

How does this compare to competing budget HVAC systems? +

Goodman competes directly with brands like Daikin Comfort and Lennox Merit series at similar price points. This unit's scroll compressor and two-stage heating offer slightly better control than stripped-down competitors, justifying its market position.

Is the 10-year warranty sufficient protection? +

Yes, for typical residential use. Most systems last 15-20 years with proper maintenance. The 10-year protection covers the critical early period when defects typically emerge, though registration is mandatory.

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