Review
The Goodman 3-ton combo system bundles a gas furnace and air conditioner into one efficient package, designed for downflow installations where space constraints matter. This unit targets budget-conscious homeowners and contractors who value Goodman's reputation for durability and parts availability. The system handles both heating and cooling from a single outdoor condenser and indoor coil assembly, simplifying installation compared to split purchases.
Real-world performance centers on two key numbers: the furnace delivers 60,000 BTU of heat at 96% AFUE, which translates to minimal fuel waste during winter operation. The air conditioning side produces 36,000 BTU of cooling capacity with a 13 SEER rating, standard for mid-tier systems. The reciprocating compressor operates at single stage, meaning it runs at full capacity or shuts off rather than modulating, acceptable for moderate climates but less efficient than variable-capacity competitors.
Pros & Cons
Pros
- 96% AFUE furnace efficiency means lower heating bills during winter months, particularly valuable in northern climates
- 13 SEER rating delivers solid cooling performance for a mid-range system at a competitive price point
- Downflow A-coil configuration fits attics and tight spaces where standard horizontal units won't work
- Multi-speed blower motor adjusts to varying load conditions, improving comfort and reducing runtime noise
- PVC exhaust compatibility simplifies installation on newer homes with plastic flue venting
Cons
- Single-stage compressor and burner lack modulation, creating wider temperature swings compared to two-stage systems
- 74 dB noise level runs noticeably louder than high-efficiency variable-speed competitors during operation
- Not ENERGY STAR certified, missing EPA recognition despite respectable efficiency numbers
Who Should Buy
Best For
Homeowners replacing aging Goodman units (it replaces GSX130362, GSX130363, GSX130365 models) or those building new homes in moderate climates who want proven reliability without premium pricing. Contractors appreciate the straightforward specs and easy serviceability.
Consider Alternatives If
Buyers seeking cutting-edge efficiency, variable-speed operation, or ENERGY STAR certification should explore two-stage or modulating systems instead.
Installation
Installation requires 115V single-phase 60Hz electrical service with breaker sizing between 19.1 and 30 amps, straightforward for most residential panels. The A-coil downflow configuration needs vertical or near-vertical mounting, typically in attics. Refrigerant lines run 3/8-inch liquid and 7/8-inch suction with 3/8-inch insulation wrap. PVC plastic exhaust venting simplifies modern builds. Most experienced HVAC techs complete installation in one day.
Warranty & Reliability
Goodman provides a 10-year parts warranty upon online registration, a solid promise that covers components but requires proof of proper installation. Registration is straightforward through their website. This duration aligns with industry standards for mid-range equipment. Labor warranties typically depend on your installer's policy, not the manufacturer.
Specifications
| SKU | LS38783830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 36,000 |
| Heating BTU | 60,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| Replaces | GSX130362, GSX130363, GSX130365 |
| Energy Star | No |
| SEER1 (Efficiency) | 13 |
| Condenser Stages | Single Stage |
| Compressor Type | Reciprocating |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 3/4" |
| Max Breaker Size | 30 amps |
| Min. Breaker Size | 19.1 amps |
| Tonnage | 3 Ton |
| Valve Type | Sweat |
| Height | 34.5" |
| Width | 17.5" |
| 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 | Downflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Airflow Direction | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 1200 |
| Burner Stages | Single |
| Fuel Type | Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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