Review
The Goodman 4-ton gas furnace and air conditioner system represents the practical middle ground in residential HVAC. This downflow A-coil configuration delivers 100,000 BTU of heating output paired with 48,000 BTU cooling capacity, replacing older GSX130483 through GSX130485 units. Goodman maintains strong brand recognition among contractors and homeowners for straightforward engineering and reliable performance across varied climates.
Efficiency numbers tell the real story here. The furnace achieves 96% AFUE, translating to minimal waste during heating cycles, while the single-stage reciprocating compressor and 13 SEER rating provide solid cooling efficiency without premium costs. Multi-speed blower technology at 2000 CFM maximum adapts to actual heating and cooling demand, optimizing comfort and reducing short-cycling. The system requires 115V single-phase power with breaker sizing between 26.3 and 45 amps, fitting standard residential electrical panels.
Pros & Cons
Pros
- 96% AFUE furnace efficiency reduces heating costs significantly compared to 80-90% units
- 13 SEER cooling performance meets mid-tier efficiency standards at competitive pricing
- Multi-speed blower motor adapts to varying load conditions for comfort and efficiency
- Downflow A-coil configuration fits attics and tight spaces common in many homes
- 10-year warranty with online registration provides solid protection against major failures
- Reciprocating compressor design proven reliable across thousands of residential installations
Cons
- Single-stage compressor and burner lack the efficiency gains of two-stage systems
- 13 SEER rating sits below modern high-efficiency units (14-16 SEER range)
- 76 dB noise level audible from nearby rooms during operation
- Not ENERGY STAR certified, limiting rebate eligibility in some utility programs
Who Should Buy
Best For
Homeowners in moderate climates replacing equipment from the 2000s or earlier will see immediate utility savings with this system. Contractors seeking dependable mid-range units for standard residential applications will appreciate Goodman's track record and parts availability.
Consider Alternatives If
Buyers in extremely hot climates or those chasing maximum efficiency should explore 14-16 SEER systems, and environmentally focused homeowners may prefer ENERGY STAR certified alternatives.
Installation
Installation demands proper ductwork sizing for 2000 CFM airflow and downflow configuration placement in attics or utility closets. Refrigerant piping uses standard 3/8 inch liquid and 1 1/8 inch suction lines with 1/2 inch insulation thickness, requiring up to 50 feet of lineset. PVC flue venting with right-side exit simplifies modern code compliance. Professional installation typically runs 4-6 hours for competent technicians.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty upon online registration, protecting major components including the compressor and heat exchanger. Coverage does not include refrigerant or labor costs, which vary by installer. Registration documentation matters for claims, so retain proof of purchase and registration confirmation.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 48,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 76 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| Replaces | GSX130483, GSX130484, GSX130485 |
| Energy Star | No |
| SEER1 (Efficiency) | 13 |
| Condenser Stages | Single Stage |
| Compressor Type | Reciprocating |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Liquid Valve Size | 3/8" |
| Max Breaker Size | 45 amps |
| Min. Breaker Size | 26.3 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Installation Instructions Goodman Parts Manual Goodman Service Manual Goodman Specifications Goodman Technical Information Goodman User 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. |
| Configuration | Downflow/Horizontal |
| Style | A-Coil |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 2000 |
| Flue Location | Right |
| Burner Stages | Single |
| Fuel Type | Gas |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
Affiliate disclosure: IndustrialRank earns a commission on qualifying purchases at no extra cost to you. We only recommend products we have independently reviewed.