Review
The Goodman 4 Ton (actual spec lists 5 Ton) 16 SEER heat pump occupies the practical middle ground between budget units and premium systems. Goodman's reputation for straightforward reliability and parts availability makes this a popular choice among contractors working on renovation projects and new builds. The variable-speed blower motor sets it apart from entry-level competition, offering comfort improvements that justify the modest price premium in actual use.
Cooling capacity reaches 48,000 BTU, while heating output delivers a robust 68,200 BTU, making this unit suitable for colder regions where heat pumps often struggle. The 16 SEER1 rating and Energy Star certification deliver meaningful efficiency gains over baseline equipment. Airflow maxes out at 2,040 CFM through the variable-speed ECM motor, which automatically adjusts to avoid short cycling and unnecessary runtime, a feature that noticeably improves temperature consistency.
Pros & Cons
Pros
- 16 SEER1 efficiency with Energy Star certification reduces operating costs by 20-30% versus standard units
- Variable-speed ECM blower motor adjusts to actual demand, improving comfort and lowering energy consumption
- Strong heating capacity at 68,200 BTU handles cold climates better than standard heat pumps
- 10-year warranty with online registration provides solid long-term protection
- Accepts optional electric backup heat up to 20 kilowatts for extreme weather support
Cons
- Single-stage compressor lacks the incremental efficiency gains of two-stage or variable-capacity designs
- 74 dBA noise level is moderate, not ideal for properties with close neighbors or noise-sensitive locations
- Tonnage discrepancy between product title (4 Ton) and specs (5 Ton) creates confusion at purchase
Who Should Buy
Best For
Homeowners in mixed climates needing reliable heating and cooling with good efficiency ratings. Contractors seeking a dependable mid-range unit that balances performance, cost, and customer expectations without complexity.
Consider Alternatives If
Buyers prioritizing ultra-quiet operation or requiring maximum efficiency should explore two-stage or inverter-driven alternatives.
Installation
The unit runs on standard 208/240 volt single-phase power with breaker requirements of 57-60 amps for Circuit 1 and 50 amps for Circuit 2. Sweat valve connections use 3/8 inch liquid and 1 1/8 inch suction lines, both standard sizes. At 58 inches tall and 24.5 inches wide, it fits typical equipment pads. Installation follows Goodman's detailed manuals and requires proper refrigerant charging and airflow verification.
Warranty & Reliability
Goodman provides 10 years of parts coverage when you register the unit online after installation. This is competitive for the price point and gives homeowners meaningful protection against component failure. Registration is straightforward and can be completed on Goodman's website using serial numbers from the nameplate.
Specifications
| SKU | HKSC20DB |
| Brand/Manufacturer | Goodman |
| Cooling BTU | 48,000 |
| Heating BTU | 68,200 |
| Refrigerant | R410A |
| Electrical | 208 / 230 / 240 Volts / 1 Phase |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 9.000000 |
| 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 | Circuit 1: 60 amps / Circuit 2: 50 amps |
| Min. Breaker Size | Circuit 1: 57 amps / Circuit 2: 50 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Height | 58" |
| Width | 24.5" |
| Depth | 21" |
| 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. |
| 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 | 1 1/8" |
| Fuel Type | Electric |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
| Electric Heat | 20 Kilowatts |
| Phase | Single Phase |
Frequently Asked Questions
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