Review
Goodman remains a trusted choice for residential HVAC systems, and this upflow gas furnace-air conditioner combo reflects that reputation without excessive cost. The 4 to 5-ton capacity handles typical single-family homes, while the modulating furnace and variable-speed blower represent smart engineering choices. Energy Star certification signals solid efficiency credentials. This system competes directly with mid-tier offerings from Rheem and Carrier, positioning itself as a practical choice for cost-conscious contractors and homeowners.
The 97% AFUE furnace delivers 100,000 BTU heating output with modulating burner stages that reduce cycling losses. On cooling, the scroll compressor generates 45,500 BTU capacity with SEER 16 efficiency. The variable-speed ECM blower adapts to demand, reaching 2000 CFM maximum while using less power than traditional motors. These specifications work together to lower utility bills, though the single-stage air conditioner lacks the precision staging found in premium systems. Electrical requirements are modest at 115V, 60Hz with breaker sizing between 23.9 and 40 amps.
Pros & Cons
Pros
- 97% AFUE furnace efficiency reduces heating costs significantly compared to older 80-90% units
- Modulating burner stages adjust output automatically, improving comfort and lowering energy waste
- Variable-speed ECM blower motor handles up to 2000 CFM while consuming less electricity than fixed-speed alternatives
- SEER 16 air conditioner meets Energy Star requirements for better cooling efficiency
- Plastic PVC exhaust flue compatibility simplifies venting in many home configurations
- 10-year warranty with online registration covers manufacturing defects
Cons
- Single-stage air conditioner lacks two-stage cooling, meaning less granular temperature control during mild weather
- 73 dB noise level runs slightly louder than premium competitors, noticeable during furnace operation
- Spec confusion in listing shows both 4-ton and 5-ton ratings, creating uncertainty about actual cooling capacity
- Requires 115V, 1-phase power, limiting some retrofit options in homes with different electrical setups
Who Should Buy
Best For
Contractors upgrading older homes with efficient modulating technology, and homeowners in mixed climates who want a balanced heating-cooling system without premium pricing. This unit delivers solid performance for residential applications where both seasons are actively used.
Consider Alternatives If
Anyone needing multi-stage cooling for precise humidity control, homes with noise restrictions, or buyers uncertain about electrical compatibility should explore alternatives with clearer specs.
Installation
This upflow A-coil design fits standard attics and basements, requiring 3/8 inch liquid and 1 1/8 inch suction lines with half-inch insulation. Refrigerant compatibility with R410A or R22 depends on your existing system. The plastic PVC exhaust flue simplifies venting. Most HVAC contractors complete installation in one day. Dimensions measure 34.5 inches tall, 21 inches wide, and 28.75 inches deep, fitting standard equipment closets.
Warranty & Reliability
Goodman provides 10 years of manufacturer coverage on parts and labor defects when you register online. This warranty protects against compressor failure, heat exchanger cracks, and component defects during normal residential use. Registration takes minutes and should be completed immediately after installation. Coverage excludes damage from improper installation, refrigerant mishandling, or electrical issues.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 45,500 |
| Heating BTU | 100,000 |
| Refrigerant | R410A or R22 |
| Electrical | 115 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| Replaces | GSX16S481 |
| Energy Star | Yes |
| SEER1 (Efficiency) | 16 |
| Condenser Stages | Single Stage |
| Compressor Type | Scroll |
| Liquid Valve Size | 3/8" |
| Suction Valve Size | 7/8" |
| Max Breaker Size | 40 amps |
| Min. Breaker Size | 23.9 amps |
| Tonnage | 5 Ton |
| Height | 34.5" |
| Width | 21" |
| Depth | 28.75" |
| Resources | Goodman Brochure Goodman Specifications 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 | 1 1/8" |
| Style | A-Coil |
| AHRI Certificate Number | 7424267 |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Product Features | Rebate Available |
| Furnace Efficiency / AFUE | 97% |
| Blower Motor | Variable Speed - ECM |
| Maximum CFM | 2000 |
| Flue Location | Right |
| Burner Stages | Modulating |
| Fuel Type | Propane, Natural Gas |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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