Review
The Goodman 4 Ton combination system represents a practical middle ground in the HVAC market. With 80,000 BTU heating capacity and 48,000 BTU cooling output, this 80% AFUE furnace and 14 SEER air conditioner pairing delivers solid performance for established homes. It's manufactured by Online Supply and designed for upflow or horizontal installation in standard residential ductwork. This isn't cutting-edge efficiency, but it's reliable equipment at competitive pricing.
Performance specs are straightforward. The 14 SEER rating means cooling efficiency that qualifies for many utility rebates, while 80% AFUE heating efficiency is respectable though not exceptional by today's standards. The multi-speed PSC blower motor maxes out at 2000 CFM and allows contractors to balance airflow for various ductwork configurations. The scroll compressor operates as single-stage, which means constant cycling rather than modulating output. At 74 dBA, noise levels are moderate for a single-stage unit.
Pros & Cons
Pros
- 14 SEER cooling efficiency qualifies for utility rebates in many markets
- 80% AFUE furnace is ENERGY STAR eligible when paired with appropriate controls
- Multi-speed PSC blower motor allows airflow adjustment for ductwork optimization
- Single-stage scroll compressor is proven reliable with minimal maintenance
- 10-year warranty with online registration covers parts and labor generously
- Metal flue top configuration simplifies venting in standard installations
Cons
- 80% AFUE is outdated compared to 95% AFUE high-efficiency alternatives now standard in many regions
- Single-stage burner and condenser mean less part-load efficiency in mild weather
- 74 dBA noise level is acceptable but not quiet compared to variable-stage competitors
- R410A refrigerant phase-out timeline creates uncertainty for future service parts
Who Should Buy
Best For
Homeowners with existing upflow ductwork who need budget-friendly replacement systems and qualify for utility rebates on 14 SEER equipment. Contractors installing in moderate climates where heating loads don't justify premium efficiency upgrades.
Consider Alternatives If
Anyone in cold climates seeking long-term energy savings or buyers prioritizing the quietest operation should look at high-efficiency variable-stage alternatives.
Installation
Installation requires standard metal flue venting exiting from the top of the unit. The system measures 36.25 inches tall, 35.5 inches wide and deep, fitting most standard return air cavities. Electrical service needs 208-230V single-phase 60Hz with circuit breaker rated between 26.4 and 45 amps. Refrigerant lines include 3/8-inch liquid and 7/8-inch suction lines with 3/8-inch insulation thickness, requiring up to 30 feet of line set.
Warranty & Reliability
Goodman backs this system with a 10-year parts and labor warranty when you register online within 30 days of installation. This is straightforward coverage that protects against manufacturing defects. Registration is simple and handles most standard failure scenarios. The warranty is solid for the price point, though some premium brands offer comparable coverage.
Specifications
| SKU | LS38783830 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 48,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A |
| Electrical | 208 / 230 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 30.000000 |
| Feature | Spec |
| 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 | 36.25" |
| Width | 35.5" |
| Depth | 35.5" |
| Resources | Goodman Installation Manual Goodman Specifications Goodman Brochure Goodman Warranty Information Goodman Service Instructions Goodman Kit Instructions Goodman Parts Manual 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. |
| Liquid Line | 3/8" |
| Suction Line | 7/8" |
| Tonnage | 4 Ton |
| Style | A-Coil |
| Energy Star | No |
| SEER1 (Efficiency) | 14 |
| 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 |
| Suction Line Insulation Thickness | 3/8" |
| Length | 30 feet |
Frequently Asked Questions
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