Review
The 4-ton Goodman heat pump system delivers 47,000 BTU for both heating and cooling, positioning itself as a mid-range solution for residential properties. Manufactured by Online Supply and carrying the SKU LS381183850, this unit bridges the gap between budget equipment and premium high-efficiency systems. The Energy Star certification signals compliance with EPA standards, and the two-stage condenser design reflects modern efficiency expectations. At this price point and specification level, it competes directly with mid-tier Lennox and Carrier offerings.
The 18 SEER1 rating represents solid efficiency, though contractors should note SEER2 ratings would be lower (typically 15-16 range). The variable-speed ECM blower motor is a standout feature, allowing the system to ramp down during mild weather instead of cycling on and off continuously. At 73 dB, sound levels are acceptable for most residential settings. The scroll compressor and two-stage configuration work together to reduce unnecessary runtime, translating to lower utility costs for homeowners in mixed-demand climates.
Pros & Cons
Pros
- 18 SEER1 efficiency rating paired with two-stage compressor reduces runtime and energy bills compared to single-stage units
- Variable-speed ECM blower motor operates at up to 2,000 CFM, optimizing comfort across part-load conditions
- Scroll compressor design is proven reliable in residential applications with lower vibration than rotary types
- 10-year warranty with online registration provides solid protection for contractors and homeowners
- Energy Star certified unit qualifies for utility rebates, offsetting purchase and installation costs
Cons
- Specification lists both R410A and R22 refrigerant compatibility, creating confusion about which is actually used in this model
- Breaker size range of 15 to 29.3 amps is unusually wide, requiring careful electrical sizing during installation
- Horizontal A-coil configuration limits installation flexibility compared to vertical or space-saving designs
Who Should Buy
Best For
Homeowners in moderate climates who need balanced heating and cooling should consider this unit. Contractors building complete HVAC systems will appreciate the variable-speed motor, standard sweat connections, and straightforward installation footprint.
Consider Alternatives If
Properties with severe space constraints or those requiring ultra-quiet operation below 70 dB should explore alternative options.
Installation
Installation requires standard sweat connections with 3/8-inch liquid line and 1 1/8-inch suction line, both straightforward for experienced technicians. The horizontal A-coil configuration takes up 24.5 inches high by 26 inches wide by 21.125 inches deep, fitting most attic installations. Electrical service needs either 208/230V single-phase 60 Hz power, and the breaker sizing range of 15 to 29.3 amps requires careful load calculations. Optional electric backup heat modules (3 to 20 kilowatts) add flexibility for cold climates.
Warranty & Reliability
The 10-year parts warranty activates upon online registration, providing strong protection for both contractors and end-users. Coverage extends to the compressor, which is typically the most expensive component to replace. Registration is straightforward and documentation is included in the installation manual. For commercial or rental properties, verify whether Online Supply transfers warranty to new owners.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 47,000 |
| Heating BTU | 47,000 |
| Refrigerant | R410A or R22 |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| 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 | 29.3 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Height | 24.5" |
| Width | 26" |
| Depth | 21.125" |
| Resources | CHPF Installation Manual CHPF Specifications Sheet Goodman Evaporator Coil 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. |
| 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 |
| Configuration | Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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