Review
The Goodman 5-ton heat pump with 18 SEER1 efficiency occupies the sweet spot between budget-friendly and genuinely high-performance. This unit from Online Supply combines proven scroll compressor technology with modern variable-speed blower control, positioning it well for contractors tired of choosing between cheap equipment and premium costs. At 57,000 BTU for both cooling and heating, it handles mid-to-large residential loads competently.
Real-world performance hinges on the two-stage condenser and variable-speed ECM motor working together. The 18 SEER1 rating reflects about 18% better efficiency than standard units, translating to measurable savings on cooling-dominated months. The motor adjusts output up to 2,000 CFM dynamically, meaning it runs lean during April or October rather than full-blast, cutting runtime waste. R410A refrigerant and scroll compression deliver reliable cooling at 75 dBA, audible but not intrusive for most residential settings.
Pros & Cons
Pros
- 18 SEER1 rating delivers 18% better efficiency than baseline units, directly lowering utility bills
- Variable-speed ECM blower motor adjusts CFM up to 2,000 based on actual cooling or heating need, not fixed operation
- Two-stage compressor reduces noise (75 dBA) and wear by running at partial capacity during mild weather
- A-coil design works in upflow or downflow configurations, fitting most existing ducting layouts
- Scroll compressor is proven reliable across thousands of installations with minimal failure rates
Cons
- Noise level at 75 dBA is acceptable but audible from 15 feet away, not ideal for noise-sensitive areas
- Requires 38.8 amp minimum breaker, necessitating potential electrical panel upgrades in older homes
- SEER1 rating, not SEER2, so comparisons to newer units using SEER2 metrics aren't direct
Who Should Buy
Best For
Contractors and homeowners replacing 10 to 15-year-old heat pump or AC systems who need rebate-eligible efficiency without flagship pricing. Ideal for climates with moderate heating demand where variable-speed operation delivers year-round savings.
Consider Alternatives If
Anyone in high-noise-sensitive environments or homes with 15-amp service panels should explore alternatives or budget for electrical upgrades.
Installation
Electrical requirements demand a 38.8-amp minimum breaker, which often triggers panel upgrades in pre-2000 homes. Line sets arrive pre-insulated at 1/2 inch thickness over 50 feet, reducing field insulation work. The A-coil fits both upflow and downflow plenums, simplifying ductwork integration. Sweat valve connections require moderate HVAC skill but no exotic tools. Most qualified technicians complete installation in one day.
Warranty & Reliability
The 10-year parts warranty kicks in upon online registration, a standard industry practice that protects against compressor and component failure. This duration is solid for mid-tier equipment, covering most legitimate defects through the first decade of ownership. Registration is straightforward but mandatory, so buyers should complete it immediately after installation to avoid gaps.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 57,000 |
| Heating BTU | 57,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 75 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| Configuration | Upflow / Downflow |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Tonnage | 5 Ton |
| Style | A-Coil |
| Height | 30" |
| Width | 24.5" |
| Depth | 21" |
| Resources | Goodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Specifications Goodman Technical Information Goodman Warranty 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. |
| Product Features | Rebate Available, Two Stage Condenser |
| Energy Star | Yes |
| SEER1 (Efficiency) | 18 |
| Condenser Stages | Two Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 1 1/8" |
| Max Breaker Size | 15 amps |
| Min. Breaker Size | 38.8 amps |
| Valve Type | Sweat |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2,000 |
| Electric Backup Heat Capabilities (Optional) | 3 Kilowatts, 5 Kilowatts, 6 Kilowatts, 8 Kilowatts, 10 Kilowatts, 15 Kilowatts, 20 Kilowatts |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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