Review
The Goodman 4-ton gas furnace and air conditioning system represents practical equipment for contractors and homeowners seeking reliable climate control without premium pricing. This upflow configuration handles heating via a 120,000 BTU burner and cooling through a 48,000 BTU capacity unit, making it suitable for homes averaging 1,400 to 1,600 square feet. Goodman's reputation centers on durability and contractor accessibility rather than cutting-edge technology, positioning this model as a workhorse replacement system.
The furnace delivers 96% AFUE efficiency, meaning 96 cents of every heating dollar converts to usable warmth, well above the federal 90% minimum. Cooling efficiency registers at 13 SEER, adequate for moderate climates but trailing modern 15-16 SEER competitors. The multi-speed blower motor adjusts airflow between 0 and 2,000 CFM depending on heating or cooling demand. Single-stage operation means the compressor runs at full capacity or shuts off entirely, lacking the efficiency gains of variable-speed designs during partial-load conditions.
Pros & Cons
Pros
- 96% AFUE furnace efficiency beats industry minimum and recovers heat well for gas heating
- 13 SEER cooling rating covers most midwestern and northern climate needs adequately
- Multi-speed blower motor allows better airflow control and comfort than single-speed alternatives
- PVC/plastic exhaust flue simplifies installation and reduces corrosion risks compared to metal
- 10-year warranty with online registration provides solid coverage at this price point
Cons
- Not ENERGY STAR certified, meaning higher operating costs versus 14+ SEER competitors
- Single-stage compressor runs full-blast or off with no modulation, reducing efficiency on mild days
- 76 dB noise level noticeably louder than variable-capacity units, may irritate noise-sensitive homeowners
- Reciprocating compressor technology is older and requires more maintenance than scroll designs
Who Should Buy
Best For
Homeowners in moderate climates replacing 15-20 year old furnace-AC combos who have budget constraints and don't run systems year-round. This system makes sense for secondary properties, rental units, or primary homes where payback period matters more than utility bill minimization.
Consider Alternatives If
Anyone living in hot southern climates should consider 15+ SEER units, and homeowners seeking ENERGY STAR certification or variable-capacity comfort should explore higher tiers.
Installation
Installation requires standard 3/8-inch liquid and 1 1/8-inch suction refrigerant lines with 1/2-inch insulation already applied for 50 feet of run length. The upflow A-coil configuration fits above or beside the furnace in typical closet or attic installations. Electrical demand runs 115V single-phase 60Hz with breaker requirements between 26.3 and 45 amps, standard for residential circuits. PVC exhaust flue routing simplifies venting compared to metal alternatives.
Warranty & Reliability
Goodman includes 10 years of parts and labor coverage when you register the unit online after purchase. This warranty covers compressor, compressor valves, and heat exchanger defects but excludes normal wear items like filters and capacitors. Registration is essential, so don't overlook this requirement at installation time to activate the full coverage period.
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 | 30" |
| Width | 24.5" |
| Depth | 21" |
| Resources | CAPF Installation Manual CAPF Specifications Sheet Goodman Evaporator Coil 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. |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| Burner Stages | Single |
| Fuel Type | Gas |
| Style | A-Coil |
| 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.