Review
The Goodman 4-ton 14 SEER furnace and AC system represents the entry-level mainstream offering for residential HVAC replacement. This single-stage, gas-fired combo unit delivers modest efficiency improvements over legacy equipment while keeping upfront costs accessible to homeowners and contractors working on tight budgets. At 48,000 BTU heating and cooling capacity, it's sized for typical single-family homes in moderate climates, though spec confusion suggests potential tonnage mislabeling.
Performance numbers show 80% AFUE heating efficiency and 14 SEER cooling, both respectable but not exceptional in today's market. The scroll compressor is reliable, the multi-speed PSC blower adapts to demand, and the system meets ENERGY STAR baselines. However, 74 dB noise output during operation is audible indoors, and single-stage cycling means the system runs full-throttle or idles rather than fine-tuning to actual load, increasing energy waste during partial-load conditions common in spring and fall.
Pros & Cons
Pros
- 14 SEER cooling efficiency earns ENERGY STAR certification, reducing operating costs roughly 15-20% versus older systems
- 80% AFUE heating captures four out of every five BTUs, standard for mid-range gas furnaces
- Single-stage scroll compressor is proven durable with established service parts availability across most regions
- Compact 21-by-21-by-30-inch footprint fits tight mechanical spaces and attics where larger units won't fit
- 10-year warranty with online registration provides reasonable protection for mid-tier equipment
- Multi-speed PSC blower motor adjusts to your home's airflow needs across heating and cooling seasons
Cons
- 14 SEER lags behind modern 16+ SEER systems, meaning higher cooling costs over 15-year ownership
- 80% AFUE heating efficiency is baseline, not premium, with roughly 20% heat loss up the flue
- Single-stage operation runs at full capacity constantly, cycling on-off rather than modulating to load, increasing wear
- 74 dB noise level during operation is noticeably audible indoors, louder than premium variable-capacity units
- No SEER2 rating listed, making true next-generation efficiency comparison impossible
Who Should Buy
Best For
Homeowners replacing 15+ year-old systems who prioritize upfront cost over long-term energy savings, or contractors installing economical solutions in budget-conscious markets. This works well for moderate climates where cooling loads are seasonal rather than year-round.
Consider Alternatives If
Anyone in high-cooling regions, homes with poor insulation, or buyers planning to stay 12+ years, should compare 16+ SEER units where the energy payback justifies the higher initial cost.
Installation
This upflow or downflow configuration suits most basement and utility closet installations. It requires 208/230V single-phase power, drawing 26.4 to 45 amps depending on demand, so breaker sizing and electrical prep matter. Metal flue exhausts top-mounted, simplifying roof penetration. Refrigerant lines need insulation, and the included 50-foot suction line with 1/2-inch insulation reduces jobsite line fabrication. Overall installation difficulty ranks moderate for licensed contractors.
Warranty & Reliability
Goodman provides 10 years of parts and labor coverage with online registration, which is standard for this price tier. This covers compressor, heat exchanger, and sealed components but typically excludes wear items like motors and contactors. Registration is mandatory, so document immediately upon installation. Coverage is parts-only in years 6-10 at many distributors, so verify terms before purchasing.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 48,000 |
| Heating BTU | 48,000 |
| Refrigerant | R410A or R22 |
| 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 |
| 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 | 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. |
| 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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