Goodman 4 Ton 16 SEER Heat Pump Condenser - R410A Single Stage Review 2026

// Bottom Line

This Goodman is ideal for contractors and homeowners upgrading from older systems who want proven reliability without premium pricing. The 16 SEER rating hits the efficiency sweet spot for most climates, and the $3,092 price point makes it accessible for mid-range replacements.

Review

The Goodman GSZ160481 4-ton condenser positions itself in the practical middle of the residential heat pump market. It delivers both heating and cooling at 48,000 BTU with a 16 SEER1 rating that meets Energy Star standards. At $3,092, this unit targets contractors seeking reliable inventory and homeowners wanting meaningful efficiency gains over aging systems without moving upmarket to premium brands.

Performance data shows this condenser operates on 208/230V single-phase power with a scroll compressor handling single-stage operation. The 74 dB noise profile sits in the moderate range for condenser units, acceptable for most residential applications though noticeably audible during peak operation. The 3/8 inch liquid line and 7/8 inch suction line pair standard with most residential air handlers, streamlining the supply chain for installers.

Pros & Cons

Pros

16 SEER1 efficiency rating qualifies for Energy Star, cutting operating costs by roughly 30% versus 13 SEER models
48,000 BTU capacity handles 4-ton loads in moderate climates, with both heating and cooling output balanced identically
Scroll compressor design proven for durability and lower failure rates in field applications
Single-stage operation simplifies controls and reduces component complexity
Sweat valve connections offer flexibility with existing copper line sets

Cons

Single-stage compressor means higher runtime in partial-load scenarios, less efficient than two-stage alternatives
74 dB noise level noticeably louder than premium variable-capacity models, potential concern for noise-sensitive installations
Requires 26.4 to 45 amp breaker range, necessitating professional electrical verification on older service panels

Who Should Buy

Best For

Contractors stocking reliable mid-tier inventory and homeowners replacing 10+ year old systems in moderate climates will appreciate this unit's balance of efficiency and cost. It works especially well for properties without zoning complexity or extreme temperature demands.

Consider Alternatives If

Buyers in very hot climates needing maximum cooling capacity or those prioritizing whisper-quiet operation should explore two-stage or variable-capacity alternatives.

Goodman 4 Ton 16 SEER Heat Pump Condenser - R410A

$3092

Buy at HVACDirect →

Installation

Installation requires standard sweat connections to existing copper linesets, eliminating proprietary fitting costs. Electrical setup demands a 26.4 to 45 amp breaker sized appropriately for your service panel, necessitating licensed electrician verification on older homes. The 270-pound weight and 35x35.5 inch footprint fit standard concrete pads without modifications in typical residential settings.

Warranty & Reliability

Goodman provides 10 years of parts coverage with mandatory online registration, a solid consumer protection that matches or exceeds many mid-tier competitors. Registration takes minutes and substantially reduces claim hassles. This warranty applies to defective compressors, fans, and electrical components under normal residential use.

Specifications

SKU	GSZ160481
Brand/Manufacturer	Goodman
Cooling BTU	48,000
Heating BTU	48,000
Refrigerant	R410A
Electrical	208 / 230 V. 1 Phase 60 Hz
Warranty	10 Years with Online Registration
Decibel Level (dBA)	74
Weight (in lbs)	270.000000
Feature	Spec
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	4 Ton
Valve Type	Sweat
Height	35"
Width	35.5"
Depth	35.5"
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.

Frequently Asked Questions

Does this unit qualify for rebates? +

Yes, the GSZ160481 shows rebate availability in product specs. Contact your local utility provider directly, as rebates vary by region and typically range from $300 to $600 for 16 SEER equipment. Contractor partnerships often yield additional incentives through manufacturer programs.

Will this condenser work with my existing furnace? +

Standard 4-ton air handlers with 3/8 inch liquid and 7/8 inch suction connections pair directly. Verify your current handler tonnage matches and refrigerant lines are sized correctly. Professional commissioning with nitrogen purge remains essential before charging with R410A.

How much will this reduce my cooling costs? +

A 16 SEER unit typically cuts cooling energy use 25 to 30 percent compared to a 13 SEER model. Regional climate impact varies substantially, with hot climates seeing $400 to $600 annual savings. Heating operation adds modest additional savings in moderate climates.

Is single-stage really less efficient than two-stage? +

Single-stage runs full capacity or off, cycling frequently in partial loads and wasting energy. Two-stage reduces speed during mild weather, running more efficiently. The 16 SEER rating here still delivers strong baseline efficiency for most applications, though variable-capacity costs more upfront.

Does the warranty cover refrigerant? +

The 10-year coverage includes the compressor and sealed system but typically excludes refrigerant charges. Verify with Goodman documentation after online registration. Most installations charge at commissioning under the installer's responsibility.

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