Review
The 4-ton Goodman horizontal A-coil represents straightforward, no-frills cooling capacity for homeowners and contractors seeking reliable performance at accessible pricing. Positioned as a direct replacement for the previous GSX16S481 model, this unit combines proven Goodman manufacturing standards with current Energy Star efficiency thresholds. At 117 dollars, it undercuts many competitors while maintaining scroll compressor technology that contractors trust for durability.
Performance metrics impress for the price point. The 16 SEER1 efficiency rating and 45,500 BTU cooling capacity deliver predictable cooling on 4-ton applications, whether residential split systems or light commercial setups. Operating at 208/230V single-phase 60Hz with a maximum 40-amp breaker requirement keeps electrical infrastructure costs reasonable. The 73 dB noise level remains acceptable, though slightly higher than inverter-driven competitors.
Pros & Cons
Pros
- 16 SEER1 efficiency rating qualifies for Energy Star, reducing annual cooling costs by 15-20 percent versus 13 SEER equipment
- 45,500 BTU cooling capacity properly handles 4-ton load requirements with 73 dB noise level, acceptable for most residential installations
- Scroll compressor technology offers proven durability with fewer moving parts than rotary designs, typical lifespan 12-15 years
- Direct replacement for GSX16S481 simplifies retrofit projects and maintains existing ductwork compatibility
- Horizontal 24.5-inch cased design fits tight attic spaces where vertical A-coils won't fit
Cons
- Single-stage compressor runs at full capacity continuously, using more energy during mild weather than two-stage alternatives
- 73 dB noise output registers louder than premium variable-speed models, may concern noise-sensitive homeowners
- Horizontal orientation requires proper condensate line slope or standing water causes refrigerant restrictions and eventual coil freeze-up
Who Should Buy
Best For
Budget-conscious homeowners upgrading 10-plus-year-old systems and contractors tackling replacement projects where the GSX16S481 needs swapping. This model delivers strong efficiency gains for modest investment, particularly valuable in southern markets where cooling season stretches 8-9 months yearly.
Consider Alternatives If
Those prioritizing ultra-quiet operation or who need variable-capacity compressors should explore premium Goodman models or higher-tier brands like Lennox or Carrier.
Installation
The horizontal configuration requires mounting in attics or crawlspaces with sufficient clearance around the 36.25-inch height and 35.5-inch width dimensions. Technicians should verify condensate drain slope orientation carefully, as pooling water in horizontal coils causes freeze-up during cooling cycles. Standard refrigerant lines connect via 3/8-inch liquid and 7/8-inch suction ports with 3/4-inch insulation thickness.
Warranty & Reliability
Goodman provides 10-year coverage upon online registration, protecting against manufacturing defects and refrigerant leaks. This extended period exceeds industry baseline for budget-tier equipment and reflects manufacturer confidence. Registration requirement means buyers should retain documentation and complete paperwork promptly.
Specifications
| SKU | LS38783850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 45,500 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Configuration | Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Tonnage | 4 Ton |
| Style | A-Coil |
| Height | 36.25" |
| Width | 35.5" |
| Depth | 35.5" |
| Resources | Goodman Brochure Goodman Specifications Goodman Installation Manual Goodman Warranty Information Goodman Service Instructions Goodman Kit Instructions Goodman Parts 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. |
| Replaces | GSX16S481 |
| 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 | 40 amps |
| Min. Breaker Size | 23.9 amps |
| Suction Line Insulation Thickness | 3/4" |
| Length | 50 feet |
Frequently Asked Questions
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