Review
The Goodman 4 Ton 13 SEER 96% AFUE system sits in the reliable middle ground of residential HVAC equipment. Manufactured by a company with decades of contractor credibility, this horizontal A-coil configuration handles both heating and cooling in a single footprint. The 48,000 BTU cooling capacity and 120,000 BTU heating output align with typical mid-size home requirements. This unit replaces three earlier Goodman models, indicating product maturity and field-proven design.
Performance specs show practical capability across both seasons. The 96% AFUE rating means nearly all fuel converts to heat, with just 4% wasted up the flue. On cooling, 13 SEER delivers moderate efficiency, placing it above baseline units but below premium variable-speed systems. The multi-speed blower motor automatically adjusts airflow from 500 to 2000 CFM depending on load, improving comfort compared to fixed-speed designs. Reciprocating compressor technology is proven and serviceable, though single-stage operation means full-capacity or off cycling.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means lower winter heating bills and minimal fuel waste
- 13 SEER cooling efficiency is above average for entry-level commercial systems
- 120,000 BTU heating capacity covers most residential applications up to 3,500 square feet
- Multi-speed blower motor provides better temperature control and quieter operation than single-speed alternatives
- 10-year warranty with online registration protects your investment across both heating and cooling components
Cons
- Single-stage compressor lacks variable capacity, so cooling runs at full power or not at all
- Not Energy Star certified, meaning it doesn't meet EPA's highest efficiency tiers
- 76 dB operating noise is noticeably audible, especially during peak cooling on hot days
Who Should Buy
Best For
Homeowners in mid-range climates who prioritize reliable performance and lower operating costs over cutting-edge efficiency. Contractors installing replacement systems in established homes where balanced heating and cooling needs are typical.
Consider Alternatives If
Anyone seeking variable-capacity cooling or Energy Star certification should compare higher-SEER models. Hot-climate buyers needing aggressive cooling should look at higher SEER ratings or dual-stage compressors.
Installation
Horizontal upflow installation suits crawl spaces or attics where vertical clearance is tight. The unit requires 115V, 1-phase power with a 26.3 to 45-amp breaker, standard for most homes. Sweat valve connections (3/8 inch liquid, 1 1/8 inch suction) demand certified technician brazing or risk leaks. R410A or R22 refrigerant compatibility requires verifying your existing system type before charging.
Warranty & Reliability
Online registration unlocks 10-year parts and labor coverage, a solid commitment matching most major brands. Coverage spans compressor, coil, and furnace components. Registration is required within 30 days of installation, so contractors must handle this promptly. Out-of-warranty repairs after year 10 are contractor responsibility.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 48,000 |
| Heating BTU | 120,000 |
| 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 | 24.5" |
| 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 | Upflow/Horizontal |
| Style | A-Coil |
| Airflow Direction | Upflow/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.