Goodman 4 Ton 14 SEER 96% 100,000 BTU Furnace & AC System - R410A Upflow Review 2026

// Bottom Line

This Goodman combo system works well for homeowners replacing aging equipment in moderate climates where you need both heating and cooling in one compact unit. The 96% AFUE furnace and 16 SEER cooling deliver solid efficiency gains, though spec inconsistencies suggest careful verification before purchase.

Review

The Goodman 4-ton combination furnace and air conditioning system represents the practical middle ground for residential HVAC replacement. Built on the brand's reputation for affordability without sacrificing performance, this unit packages heating and cooling in a compact 21-inch cube. The system uses R410A refrigerant, runs on 208/230V single-phase power, and claims to deliver both comfort and energy savings at an attractive price point for contractors and DIY buyers alike.

Heating performance comes from a 96% AFUE gas furnace generating 48,000 BTU input with a single-stage burner and multi-speed blower capable of 2,000 CFM. Cooling capacity matches at 48,000 BTU using a scroll compressor and single-stage condenser, achieving a 16 SEER1 rating that qualifies for ENERGY STAR certification. The 74 dB noise level keeps operation relatively quiet, though the single-stage design means the unit runs full capacity most of the time rather than modulating to match actual load.

Pros & Cons

Pros

96% AFUE furnace efficiency reduces heating costs significantly compared to older 80-85% models
16 SEER cooling rating qualifies for ENERGY STAR, potentially unlocking local utility rebates
48,000 BTU heating capacity handles most single-family homes without oversizing
Multi-speed blower motor optimizes comfort and reduces runtime noise at 74 dB
10-year warranty with online registration provides meaningful long-term protection

Cons

Spec sheet lists conflicting tonnage (4 tons in title, 5 tons in specs), creating confusion about actual capacity
Single-stage burner and condenser limit part-load efficiency during mild weather operation
Requires 208/230V single-phase power, limiting compatibility with some older electrical panels
PVC flue requirement may add installation complexity in homes with masonry chimneys

Who Should Buy

Best For

Contractors and homeowners in mixed-climate regions replacing complete systems want a reliable, efficient combo unit that doesn't require oversizing. This works best for homes averaging 2,000-2,500 square feet where existing ductwork is already sized for standard residential airflow.

Consider Alternatives If

Skip this if you live in a hot climate needing consistent cooling or a cold climate with extreme heating demands, as single-stage components limit part-load efficiency.

Goodman 4 Ton 14 SEER 96% 100,000 BTU Furnace & AC

Buy at HVACDirect →

Installation

Installation requires PVC plastic flue piping and 208/230V single-phase electrical service rated for 26.4 to 45 amps. The upflow configuration with right-side flue location suits basement or utility closet placement. Standard refrigerant line sizing includes 3/8-inch liquid and 1-1/8-inch suction lines with half-inch insulation, plus 50-foot maximum line length. Professional installation is strongly recommended due to refrigerant handling requirements and electrical complexity.

Warranty & Reliability

Coverage extends 10 years when you register the unit online after installation, providing peace of mind on compressor, heat exchanger, and sealed components. This is solid protection for residential use but requires timely registration to activate. Parts like motors and controls may carry shorter periods, so confirm specifics with your installer before purchase.

Specifications

SKU	LS381183850
Brand/Manufacturer	Online Supply
Cooling BTU	48,000
Heating BTU	48,000
Refrigerant	R410A or R22
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	74
Weight (in lbs)	48.000000
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	Plastic / PVC
Furnace Efficiency / AFUE	96%
Blower Motor	Multi Speed
Maximum CFM	2000
Configuration	Upflow / Downflow
Flue Location	Right
Burner Stages	Single
Fuel Type	Gas
Height	30"
Width	21"
Depth	21"
Resources	CAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil Warranty You will need Adobe® Acrobat® Reader to view PDF documents.
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	45 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

Does this system really deliver 4 tons or 5 tons of capacity? +

The specs show conflicting information: the title claims 4 tons while the technical specs list 5 tons. Both heating and cooling match at 48,000 BTU, which calculates to exactly 4 tons of capacity. Verify with your supplier before ordering, as this discrepancy suggests documentation issues that could cause sizing confusion.

Can I install this in an attic or unconditioned space? +

Yes, the upflow configuration and compact 30-inch height work in most attics, but you must route the plastic PVC exhaust safely outside and ensure adequate clearance for the 2,000 CFM airflow. Check local building codes, as some jurisdictions restrict furnace placement in unconditioned spaces due to freeze risk and safety concerns.

How much will my heating bills drop compared to an old 80% furnace? +

A 96% AFUE furnace uses roughly 20% less gas than an 80% model for identical heating output. On a typical $1,200 annual heating bill, you could save around $240 per year, recovering the efficiency premium in 3 to 5 years depending on local gas rates and heating climate.

Is 16 SEER2 cooling worth the price difference over 14 SEER? +

The specs list 16 SEER1, not SEER2. The newer SEER2 rating is roughly 20% lower than SEER1 equivalent. A 16 SEER1 unit may perform closer to 13 SEER2, making real-world efficiency gains smaller than the number suggests for A/C cooling alone.

What happens if I don't register the warranty within a certain timeframe? +

Online registration activates the 10-year coverage, but the spec sheet does not specify a registration deadline. Contact Goodman or your installer immediately after installation to confirm deadline requirements and avoid losing warranty protection due to missed registration.

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