Review
The Goodman 3-ton horizontal furnace-coil system (model GSX130362 and successors) sits in the practical middle ground of residential HVAC equipment. It combines a 96% AFUE gas furnace with a 13 SEER air conditioning condenser, delivering mid-tier efficiency without premium features. This SKU LS38783830 is commonly stocked by supply houses targeting contractors and DIY-friendly homeowners who need straightforward replacement equipment. The 10-year warranty and proven Goodman reliability have built trust in residential and light commercial markets over decades.
Performance specs tell a clear story. The furnace delivers 60,000 BTU of heating output with 96% AFUE efficiency, meaning 96 cents of every dollar goes to heat rather than exhaust. The air conditioner produces 36,000 BTU of cooling at 13 SEER, handling moderate summer loads at approximately $0.75 per cooling dollar. The multi-speed blower motor (up to 1200 CFM) adapts to ductwork demands, though single-stage compressor operation means it runs full-capacity or off, without the part-load efficiency of variable-speed units. Electrical requirements are modest at 115V single-phase with 19.1 to 30-amp breaker sizing.
Pros & Cons
Pros
- 96% AFUE furnace exceeds most baseline requirements and delivers strong heating efficiency for gas-fired systems
- 13 SEER rating provides solid cooling performance, equivalent to most mid-tier residential units from major manufacturers
- Multi-speed blower motor adapts to different airflow demands, improving comfort during part-load operation
- Horizontal/upflow configuration fits typical attic and basement installations with 34.5-inch height
- 10-year warranty with online registration covers parts, giving buyers reasonable peace of mind
- Single-stage reciprocating compressor is field-proven and repair-friendly for service technicians
Cons
- Single-stage cooling and heating means no modulation, leading to energy waste during mild weather operation
- 36,000 BTU cooling capacity is undersized relative to 60,000 BTU heating output, creating seasonal imbalance for certain climates
- 74 dB noise level is louder than modern variable-stage units, noticeable during compressor cycles
- Not ENERGY STAR certified, missing qualification for utility rebates and tax incentives in some jurisdictions
- R410A or R22 compatibility adds confusion, as R22 is being phased out and conversions complicate future service
Who Should Buy
Best For
Homeowners in moderate climates replacing equipment built before 2010 who prioritize upfront cost over advanced efficiency features will find this system practical. Contractors managing rental properties or spec homes benefit from its straightforward design and established service network.
Consider Alternatives If
Skip this if you need ENERGY STAR certification for rebates, live in extreme heat/cold climates requiring variable-stage operation, or want the quietest running system available.
Installation
This horizontal A-coil configuration requires standard refrigerant lineset connections using 3/8-inch liquid and 7/8-inch suction lines with 3/8-inch insulation thickness. Sweat-type valve connections allow soldering, speeding installation for experienced technicians. PVC or plastic exhaust flue vents right-side, simplifying ductwork integration. Height of 34.5 inches fits typical attic spaces. Technicians should verify existing ductwork capacity handles 1200 CFM maximum airflow without excessive static pressure.
Warranty & Reliability
Goodman covers this system for 10 years on parts, parts and labor if registered online within 30 days. This standard-duration warranty is competitive but not exceptional compared to 10-to-12-year coverage from Carrier or Lennox. Registration is straightforward and recommended. Parts availability is strong given Goodman's market share, reducing downtime risk compared to niche brands.
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 | Upflow/Horizontal |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Style | A-Coil |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 1200 |
| Flue Location | Right |
| Burner Stages | Single |
| Fuel Type | Gas |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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