Review
The Goodman 4-ton furnace and AC combo is a straightforward, no-frills system designed for contractors prioritizing affordability without sacrificing baseline reliability. This unit pairs an 80% AFUE gas furnace with a 14 SEER air conditioner in a compact 30-inch downflow cabinet. It's positioned directly between basic builder-grade equipment and premium high-efficiency systems, making it a popular choice for residential replacements in moderate climates where code compliance matters more than optimization.
Performance numbers tell a practical story. The furnace delivers 48,000 BTU of heating output at 80% efficiency, meaning 4 BTU of waste heat escapes for every 20 BTU generated. Cooling runs at 14 SEER with a scroll compressor and single-stage operation, producing 48,000 BTU of cooling capacity. The multi-speed PSC blower moves up to 2,000 CFM and operates at 74 dB, comparable to a vacuum cleaner. Real-world operation means predictable cycles but no variable-capacity comfort adjustments between calls.
Pros & Cons
Pros
- 14 SEER cooling efficiency with Energy Star certification for modest energy savings
- Flexible upflow/downflow configuration allows installation in basements, attics, or closets
- Single-stage design with 48,000 BTU heating and cooling capacity runs quietly at 74 dB
- Multi-speed PSC blower motor adapts to ductwork demand without excessive noise
- 10-year warranty with online registration covers defects and provides peace of mind
Cons
- 80% AFUE furnace efficiency lags modern 95% systems, costing more over time in fuel bills
- Single-stage operation cycles on/off rather than modulating, reducing comfort consistency
- R410A refrigerant phase-out approaching means future service costs may rise
- Spec sheet shows 5-ton tonnage rating while marketing claims 4-ton, creating confusion
Who Should Buy
Best For
Contractors building cost-conscious installations for moderate climate zones and homeowners replacing 15-20 year old systems who want reliable performance without premium pricing. This system hits the sweet spot between budget and dependable operation.
Consider Alternatives If
Energy-conscious buyers in cold climates should explore 95% AFUE furnaces, and those in hot regions wanting variable-capacity comfort should consider two-stage or inverter-driven AC systems.
Installation
Installation demands standard HVAC knowledge. The unit requires 208/230V single-phase 60Hz power with a 26.4 to 45-amp breaker, accommodating most residential services. Downflow configuration needs ducting below floor level or into a basement. The metal flue must exit through the roof or sidewall. Connection points include 3/8-inch liquid lines and 1 1/8-inch suction lines with 1/2-inch insulation, standard for this tonnage class. Proper refrigerant charge and airflow balance are critical to achieving rated efficiency.
Warranty & Reliability
Goodman backs this system with a 10-year parts warranty when you register online, covering compressor and most components. This extended coverage is respectable for the price tier but shorter than some competitor programs. Warranty registration must occur within specified timeframe, so don't overlook this step. The 10 years typically aligns with mid-lifespan repairs rather than full equipment life.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 48,000 |
| Heating BTU | 48,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Multi Speed - PSC |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Flue Location | Top |
| Burner Stages | Single |
| Fuel Type | Gas |
| Height | 30" |
| Width | 21" |
| 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. |
| Product Features | Rebate Available |
| 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 | 45 amps |
| Min. Breaker Size | 26.4 amps |
| Tonnage | 5 Ton |
| Valve Type | Sweat |
| Liquid Line | 3/8" |
| Suction Line | 1 1/8" |
| Style | A-Coil |
| Suction Line Insulation Thickness | 1/2" |
| Length | 50 feet |
Frequently Asked Questions
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