Review
The Goodman 5-ton two-stage split system positions itself as the practical middle ground between budget equipment and high-efficiency premium units. With 60,000 BTU cooling capacity and 15.5 SEER efficiency, it addresses the needs of contractors and homeowners balancing performance against installation costs. The variable-speed ECM blower motor and two-stage compressor design signal a thoughtful engineering approach rather than bare-bones simplicity, making this unit relevant for residential retrofits and small commercial cooling applications.
Performance metrics are straightforward and honest. The system delivers 60,000 BTU cooling capacity with 68,200 BTU heating when paired with the included 20 kW electric backup. Energy Star certification with 15.5 SEER rating translates to reasonable operating costs, though it sits below high-efficiency competitors reaching 18-21 SEER. The variable-speed blower pulls maximum 2,040 CFM and operates at 75 dB, making it suitable for residential use. R410A refrigerant and sweat-type valve connections follow current standards.
Pros & Cons
Pros
- Variable speed ECM blower motor adapts to actual load, reducing energy waste and improving comfort compared to single-speed alternatives
- Two-stage compressor provides 60,000 BTU cooling capacity across 5 tons, delivering measurable efficiency gains during partial load conditions
- Energy Star certified with 15.5 SEER rating ensures solid seasonal efficiency for residential and light commercial use
- Flexible electric backup heat options range from 5 kW to 20 kW, accommodating diverse heating requirements without separate equipment
- Scroll compressor design proven for durability and quiet operation at 75 dB, typical for this tonnage class
Cons
- 15.5 SEER lags behind premium units hitting 18-21 SEER, meaning higher operating costs over 15-year system life
- Single-phase electrical requirement limits some commercial applications where three-phase is standard
- 75 dB sound level acceptable but not exceptional, may be noticeable in quiet residential settings
Who Should Buy
Best For
Homeowners and light commercial operators in moderate climates seeking reliable cooling without premium pricing. Ideal for those upgrading older systems who want Energy Star performance and the flexibility of optional electric heat staging.
Consider Alternatives If
Buyers prioritizing top-tier efficiency should explore 18+ SEER units, and facilities with three-phase electrical service requirements should look at commercial-grade alternatives.
Installation
Installation requires dual circuits with 60-amp and 50-amp breaker minimums, demanding proper electrical planning before rough-in. The 3/8-inch liquid line and 7/8-inch suction line are industry standard, fitting most existing line sets. Unit dimensions of 35.5 by 35.5 by 38.25 inches demand cleared condenser pad space. ECM blower integration simplifies ductwork balancing compared to fixed-speed alternatives.
Warranty & Reliability
Goodman offers 10 years of parts coverage with online registration, protecting against compressor failure and major component defects. Registration requirement is simple but mandatory to activate full coverage. This warranty length matches mid-tier competitor offerings and provides meaningful protection during peak failure windows, though luxury brands sometimes extend to 12 years.
Specifications
| SKU | HKSC20DB |
| Brand/Manufacturer | Goodman |
| Cooling BTU | 60,000 |
| Heating BTU | 68,200 |
| Refrigerant | R410A |
| Electrical | 208 / 230 / 240 Volts / 1 Phase |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 75 |
| Weight (in lbs) | 9.000000 |
| Feature | Spec |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2,040 |
| Electric Backup Heat Capabilities (Optional) | 5 Kilowatts, 8 Kilowatts, 10 Kilowatts, 15 Kilowatts, 20 Kilowatts |
| Filter Size | 23" x 20" |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Max Breaker Size | Circuit 1: 60 amps / Circuit 2: 50 amps |
| Min. Breaker Size | Circuit 1: 57 amps / Circuit 2: 50 amps |
| Tonnage | 5 Ton |
| Fuel Type | Electric |
| Height | 38.25" |
| Width | 35.5" |
| Depth | 35.5" |
| Resources | Goodman Installation Manual Goodman Specifications Goodman Parts Manual Goodman Service Manual Goodman Kit Installation Manual 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. |
| Energy Star | Yes |
| SEER1 (Efficiency) | 16 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Valve Type | Sweat |
| Electric Heat | 20 Kilowatts |
| Phase | Single Phase |
Frequently Asked Questions
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