Review
The Goodman 3-ton horizontal furnace and air conditioner system positions itself as a practical middle-ground solution for residential HVAC replacement. Manufactured by Goodman, a brand with deep contractor relationships, this unit combines a gas furnace and air conditioning condenser into one integrated package. The horizontal A-coil configuration makes installation feasible in space-constrained homes. At this price point, contractors appreciate the familiar reciprocating compressor design and straightforward single-stage operation that simplifies diagnosis and repairs on service calls.
Performance metrics reveal a system stronger on heating than cooling. The furnace delivers 60,000 BTU with 96% AFUE efficiency, translating to minimal fuel waste during winter operation. However, the cooling side rates at 36,000 BTU with 13 SEER, which undershoots the 3-ton nominal capacity by 3,000 BTU. The multi-speed blower motor maxes out at 1,200 CFM, enabling flexible comfort settings. At 74 dB during operation, sound levels exceed premium competitors, potentially noticeable in quiet homes. The 115-volt, single-phase electrical requirement is manageable for most residential installations with a 30-amp breaker.
Pros & Cons
Pros
- 96% AFUE furnace efficiency exceeds minimum standards by substantial margin, reducing heating fuel costs
- 13 SEER condenser provides respectable cooling efficiency for non-high-efficiency applications
- 60,000 BTU heating capacity handles most residential loads, even in colder climates
- Multi-speed blower motor allows customized airflow and comfort control
- Horizontal configuration works in tight spaces, attics, or crawlspaces where vertical units won't fit
- 10-year warranty with online registration provides reasonable coverage protection
- Reciprocating compressor design is field-proven and easy to service
Cons
- 36,000 BTU cooling output falls short of the 3-ton nameplate rating by 3,000 BTU, limiting cooling in hot climates
- 13 SEER rating is dated; modern units reach 16-18 SEER with variable-stage compressors
- 74 dB noise level runs louder than premium competitors, noticeable during operation
- Single-stage burner and compressor lack modulation efficiency, cycling on and off rather than ramping output
- Not ENERGY STAR certified despite high AFUE, missing potential utility rebates
- Electrical requirement of 30-amp breaker demands adequate home service capacity
Who Should Buy
Best For
Contractors installing replacement systems for budget-conscious homeowners in moderate climates who prioritize heating efficiency. Homeowners in gas-heated regions with existing ductwork seeking reliable, straightforward equipment without premium pricing.
Consider Alternatives If
Anyone in hot climates relying primarily on cooling, or homeowners seeking cutting-edge efficiency ratings and quiet operation should explore variable-stage alternatives.
Installation
This horizontal configuration requires proper placement in attics, crawlspaces, or mechanical closets with adequate return air access. The unit connects via 3/8-inch liquid line and 7/8-inch suction line with 3/8-inch insulation thickness. PVC or plastic exhaust flue routing is required for the furnace, simplifying venting compared to metal ductwork. Line runs of 30 feet are supported, offering flexibility in equipment placement. Standard sweat valve connections demand proper brazing technique or certified technician involvement.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty, activated through online registration. This coverage protects against compressor failure, heat exchanger cracking, and component defects common in the first decade. Labor and refrigerant charges typically fall on the homeowner or contractor. Registration is straightforward and recommended within 30 days of installation to activate full protection. This warranty is competitive for mid-tier equipment but trails premium brands offering 12-15 year coverage.
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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