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

// Bottom Line

This Goodman system delivers legitimate value for homeowners and contractors building on a budget without sacrificing core performance. At $504, you're getting an 80% AFUE furnace paired with a 16 SEER2 AC unit that handles 3.5-ton cooling in most moderate climates responsibly.

Review

The Goodman 3-ton system represents the practical middle ground in residential HVAC. This combination unit pairs an 80% AFUE furnace with a 16 SEER2 air conditioner in a single upflow configuration, making it straightforward for contractors familiar with standard installations. At $504, it competes directly with other builder-grade equipment, but the actual performance specs reveal competent engineering beneath the budget pricing.

Heating output reaches 36,000 BTU with single-stage burner operation, sufficient for homes up to roughly 1,500 square feet in moderate climates. The cooling side delivers matching 36,000 BTU capacity using a scroll compressor and R410A refrigerant. That 16 SEER2 rating outperforms the 14 SEER baseline by about 14%, translating to measurable electric savings over multi-year ownership. Multi-speed blower management keeps temperature swings reasonable despite single-stage compressor logic.

Pros & Cons

Pros

36,000 BTU heating output with 80% AFUE meets most residential heating demands efficiently
16 SEER2 cooling rating on AC side delivers strong efficiency for the price point
Multi-speed PSC blower motor provides better comfort control than single-speed alternatives
2000 CFM maximum airflow handles typical 3-ton applications without undersizing issues
10-year warranty with online registration covers both heating and cooling components
Energy Star certified, qualifying for potential utility rebates in many regions
R410A refrigerant is modern and widely available, avoiding phase-out concerns

Cons

Single-stage burner and compressor mean less precise comfort modulation compared to two-stage systems
73 dB decibel level runs noticeably louder than premium models with variable-speed technology
No inverter-driven compressor limits efficiency gains during partial-load operation in mild weather

Who Should Buy

Best For

Budget-conscious homeowners replacing aging systems in moderate climates, and cost-focused HVAC contractors building affordable solutions for rental properties or first-time buyer homes. This system shines when upfront capital matters more than squeezing the last percentage point of efficiency.

Consider Alternatives If

Buyers in very cold climates needing maximum heating output, homes with noise-sensitivity concerns, or customers expecting premium quiet operation should consider higher-tier systems with variable-speed components.

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

$504

Buy at HVACDirect →

Installation

This upflow configuration requires metal exhaust flue and sits in standard 30 inches height, 24.5 inches width, and 21 inches depth, fitting most utility closets without renovation. Electrical demands run 208/230V single-phase 60Hz with 19.1 to 30-amp breaker sizing, typical for most residential services. Standard sweat connections with 3/8-inch liquid and 7/8-inch suction lines use conventional ductwork integration.

Warranty & Reliability

The 10-year warranty covering parts and labor applies when registered online, following Goodman's standard protection model. This covers compressor failure, heat exchanger cracks, and component defects, though labor costs vary by location and installer. Warranty registration typically takes five minutes online and protects your investment against manufacturing defects.

Specifications

SKU	LS38783850
Brand/Manufacturer	Online Supply
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)	73
Weight (in lbs)	30.000000
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	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.
Product Features	Rebate Available
Energy Star	Yes
SEER1 (Efficiency)	16
Condenser Stages	Single Stage
Compressor Type	Scroll
Liquid Valve Size	3/8"
Suction Valve Size	7/8"
Max Breaker Size	30 amps
Min. Breaker Size	19.1 amps
Tonnage	3.5 Ton
Valve Type	Sweat
Liquid Line	3/8"
Suction Line	7/8"
Style	A-Coil
Suction Line Insulation Thickness	3/4"
Length	50 feet

Frequently Asked Questions

Is 36,000 BTU heating enough for my home? +

For homes under 1,500 square feet in moderate climates with reasonable insulation, yes. Colder regions need 40,000+ BTU units. Calculate your actual load using climate zone and square footage. Single-stage operation means the furnace runs full capacity rather than modulating, so oversizing wastes gas.

Can this system work with my existing ductwork? +

Almost certainly yes. The 2000 CFM maximum airflow is standard for 3-ton systems. Verify ductwork sizing with your installer, but undersized ducts cause poor performance regardless of unit quality. Upflow configuration requires return air below and supply ducts above.

How does 16 SEER2 compare to other units at this price? +

It's genuinely competitive. Many budget systems sit at 14 SEER2 baseline, so this delivers measurable efficiency gains. Variable-speed units reach 18-20 SEER2, but cost significantly more. Your electric bill reduction depends on runtime hours and local electricity rates.

What's the difference between this Goodman and higher-priced brands? +

Premium manufacturers add variable-speed compressors and blowers, two-stage heating, and lower noise profiles. Single-stage systems like this one cycle on and off, working harder during peak demand. Reliability is comparable, but efficiency gains cost $2,000 to $4,000 more upfront.

Does the 10-year warranty cover labor if something fails? +

Yes, but coverage depends on your installer and local regulations. Some dealers include labor in their service packages, others charge separately. Register immediately after installation to activate warranty protection without gaps.

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