Independent Review · Updated June 2026

Goodman 5 Ton 18 SEER Central Air Conditioner Condenser - R410A Two Stage

Solid mid-range 5-ton condenser delivering 18 SEER efficiency at competitive pricing

8.2
IndustrialRank Score
Efficiency
8.5
Reliability
7.8
Value
8.0
Installation
8.5
Warranty
8.0
Goodman 5 Ton 18 SEER Central Air Conditioner Condenser - R410A Two Stage
Current Price
$4180
Check Price at HVACDirect → Shop Now at HVACDirect
Authorized dealer · Full manufacturer warranty
// Bottom Line
This Goodman condenser makes sense for homeowners upgrading from older 10-13 SEER systems who want meaningful efficiency gains without premium pricing. The 18 SEER rating and two-stage compressor deliver solid performance for medium-sized homes in moderate climates, though it won't match top-tier equipment in extreme heat.

Review

The Goodman 5-ton two-stage condenser positions itself as the practical middle ground in residential HVAC equipment. At $4,180, it undercuts premium brands while exceeding basic single-stage efficiency. This 57,000 BTU unit targets homeowners upgrading from 10-13 SEER systems, offering meaningful operational cost reductions without designer pricing. Goodman's reputation for straightforward reliability appeals to contractors managing long-term service relationships and homeowners comfortable with mature technology rather than experimental efficiency features.

The 18 SEER rating reflects genuine efficiency gains through dual-stage compression technology. The scroll compressor operates at reduced capacity during moderate cooling demand, when most systems run during spring and fall shoulder seasons. This translates to approximately 30-40% better performance than older baseline equipment. The 208/230V electrical specification accommodates standard residential service panels. The 296-pound condenser requires professional installation, but its conventional design avoids proprietary smart controls that complicate service calls.

Pros & Cons

Pros

  • 18 SEER rating provides approximately 30% better efficiency than 13 SEER baseline units
  • Two-stage scroll compressor reduces energy waste during partial-load operation, typical for most residential usage
  • 57,000 BTU cooling capacity accurately matched to 5-ton tonnage standard
  • Lifetime compressor warranty plus 10-year parts and unit replacement coverage
  • Straightforward 208/230V single-phase electrical requirements simplify installation for most homes

Cons

  • 74 dB noise level registers as noticeably loud, comparable to lawnmower operation
  • Not Energy Star certified despite decent efficiency rating, limiting potential rebates in some jurisdictions
  • Two-stage design maximizes efficiency gains only when matched with compatible two-stage indoor coil

Who Should Buy

Best For

Homeowners with existing Goodman or compatible equipment seeking reliable mid-market upgrades, or contractors installing systems in 2,000-2,500 square foot homes. This unit performs well in mixed climates where peak cooling demand doesn't exceed sustained 95-100 degree weather.

Consider Alternatives If

Anyone needing Energy Star certification for rebate programs, or homeowners in extremely hot climates (desert Southwest, Gulf Coast summer peaks above 105 degrees) requiring higher-stage compressors.

Goodman 5 Ton 18 SEER Central Air Conditioner Cond
$4180
Buy at HVACDirect →

Installation

Installation requires standard copper line sets with 3/8-inch liquid and 1 1/8-inch suction valve sizing, using sweat connection type. Electrical demands remain modest at 36.7-60 amp range on single-phase power. The 38.25-inch height and 35.5-inch square footprint fit typical concrete pad installations without custom foundation work. Proper refrigerant charge and evacuation procedures remain critical, as with all R410A equipment.

Warranty & Reliability

Coverage includes lifetime compressor warranty alongside 10-year parts and unit replacement limited warranties. This stacked protection reflects manufacturer confidence in component durability. The compressor lifetime coverage provides genuine peace of mind, though 10-year parts coverage aligns with typical system lifespan expectations. Service claims require proper documentation and professional installation verification.

Specifications

SKUGSXC180601
Brand/ManufacturerGoodman
Cooling BTU57,000
RefrigerantR410A
Electrical208 / 230 V. 1 Phase 60 Hz
WarrantyLifetime compressor, 10 year unit replacement, and 10 year parts limited warranties
Decibel Level (dBA)74
Weight (in lbs)296.000000
FeatureSpec
Product FeaturesTwo Stage Condenser
Energy StarNo
SEER1 (Efficiency)18
Condenser StagesTwo Stage
Compressor TypeScroll
Liquid Valve Size3/8"
Suction Valve Size1 1/8"
Max Breaker Size60 amps
Min. Breaker Size36.7 amps
Tonnage5 Ton
Valve TypeSweat
Height38.25"
Width35.5"
Depth35.5"
ResourcesGoodman Specifications Goodman Installation Instructions Goodman Kit Instructions Goodman Parts Manual You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 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

Will this condenser work with my existing indoor coil from a 13 SEER system? +
Not optimally. While basic compatibility exists, mismatched single-stage indoor coils waste the two-stage condenser's efficiency advantages. Pairing requires compatible two-stage indoor equipment to maximize the 18 SEER rating and two-stage benefits. Professional assessment confirms proper matching for your specific configuration.
What electrical upgrades do I need for installation? +
Most homes with standard 200-amp service panels accommodate this unit. Minimum breaker size is 36.7 amps, maximum 60 amps. A licensed electrician verifies your panel capacity and circuit condition. Older homes with 100-amp service may require panel upgrades, adding $800-1,500 to installation costs.
How much will this reduce my cooling bills compared to my 10-year-old system? +
Expect 25-35% energy savings depending on climate, insulation, and usage patterns. A 10-year-old 10 SEER unit costs approximately $0.50-0.75 per cooling hour, while this unit runs $0.15-0.30 per hour. Annual cooling costs for average homes drop $300-600 in moderate climates.
How does this compare to higher-SEER Carrier or Lennox units? +
Higher-SEER competitors (20-24 SEER) cost $5,500-7,000 and deliver 10-15% additional efficiency gains. Real-world payback on premium pricing extends 8-12 years. Goodman's value proposition suits homeowners prioritizing reasonable efficiency without waiting decades for ROI.
What does the lifetime compressor warranty actually cover? +
Coverage includes manufacturing defects in compressor components. It excludes refrigerant, improper installation, or electrical issues. Claims require professional service documentation. Labor costs fall outside coverage, though many contractors honor compressor replacement with reduced fees.

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