Review
The Goodman 4-ton furnace and AC combo represents the practical middle ground of the residential HVAC market. Sold through Online Supply as a complete package, this system pairs a gas furnace with an A-coil evaporator for coordinated heating and cooling. At approximately $0 (vendor pricing varies), it targets contractors and conscious homeowners who prioritize efficiency without pursuing premium-tier equipment. Goodman's reputation for straightforward, dependable performance makes this configuration a legitimate option for replacement jobs across suburban and moderate-climate regions.
Performance metrics show solid engineering: the furnace delivers 96% AFUE efficiency and 48,000 BTU heating output, while the cooling side generates 48,000 BTU at 16 SEER2 with a scroll compressor and single-stage condenser. Airflow capacity reaches 1,600 CFM maximum through the multi-speed blower, providing flexibility for varied ductwork configurations. The 208/230V single-phase electrical requirement is standard residential service. Together, these specs justify Energy Star certification and qualify for rebates in many utility territories, making the system genuinely economical to operate over a typical 15-year lifespan.
Pros & Cons
Pros
- 96% AFUE furnace efficiency cuts heating costs significantly compared to 80-90% units
- 16 SEER2 cooling rating qualifies for Energy Star and many utility rebates
- Multi-speed blower motor adapts to different load conditions and reduces runtime noise
- Scroll compressor design is proven reliable with lower maintenance needs
- Compact 21x21x30 inch footprint fits tight utility closets and basements
Cons
- Single-stage burner and condenser limit efficiency in very cold climates, missing potential modulation savings
- 74 dB noise level is moderately loud for close-proximity installations near bedrooms
- Specification inconsistency shows both R410A and R22 compatibility, requiring verification before ordering
Who Should Buy
Best For
Residential contractors performing full system replacements in mixed-climate zones, and homeowners in moderate regions seeking reliable performance without enterprise pricing. Ideal for properties with existing ductwork compatible with downflow configuration.
Consider Alternatives If
Buyers in extreme-cold climates should consider modulating furnaces, and anyone sensitive to equipment noise should audition this unit beforehand.
Installation
Installation requires PVC flue exhaust (standard for high-efficiency furnaces), 3/8 inch liquid and 7/8 inch suction refrigerant lines with 1/2 inch insulation, and 26.4 to 45 amp breaker sizing depending on load. The downflow/horizontal configuration suits basements and utility closets. Technicians should verify existing ductwork compatibility and ensure proper refrigerant charge using manufacturer specifications, as undersizing or oversizing either component degrades both heating and cooling efficiency.
Warranty & Reliability
Goodman provides 10 years of parts coverage upon online registration, a solid commitment for residential use. Evaporator coil coverage is included in the base warranty. This duration aligns with compressor life expectancy and protects against manufacturing defects, though wear items like blower motors may require paid service after six to eight years of heavy use.
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 | Downflow/Horizontal |
| Exhaust Flue Requirement | Plastic / PVC |
| Furnace Efficiency / AFUE | 96% |
| Blower Motor | Multi Speed |
| Maximum CFM | 1600 |
| Configuration | Upflow / Downflow |
| Flue Location | Right |
| 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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