Review
The Goodman 4-ton combination furnace and air conditioner has long occupied the sweet spot between budget and capability. This particular unit combines an 80% AFUE furnace with a 16 SEER condenser rated for 100,000 BTU heating and 48,000 BTU cooling. Goodman's reputation in the mid-tier market is well-earned, and this system delivers the kind of straightforward performance contractors expect without unnecessary complexity.
Performance metrics here tell an interesting story. The 80% AFUE rating means efficient but not premium heating, while the 16 SEER cooling efficiency genuinely outpaces the claimed 14 SEER specification, which benefits spring and fall operation. The two-stage burner modulates heating output rather than blasting at full capacity, reducing temperature swings. Maximum CFM reaches 2000, adequate for homes up to 4500 square feet. The scroll compressor operates at 74 dB, typical for residential units.
Pros & Cons
Pros
- 16 SEER cooling efficiency exceeds the 14 SEER rating claimed, offering better summer performance than expected
- 80% AFUE furnace with two-stage burner provides better modulation than single-stage units, reducing short cycling
- Multi-speed blower motor adjusts airflow across seasons, improving comfort and reducing energy waste
- Scroll compressor delivers reliable cooling with proven track record in residential applications
- 100,000 BTU heating capacity handles cold climates and larger homes without oversizing
- R410A refrigerant compatibility with R22 fallback option adds flexibility for service calls
Cons
- 80% AFUE is baseline modern efficiency, not high efficiency, meaning 20% of heating energy is lost up the flue
- Single-stage compressor cycles on and off rather than modulating, less efficient than variable-capacity units
- Metal exhaust flue requirement adds installation cost compared to plastic vent PVC alternatives
- No variable-speed furnace blower option limits nighttime comfort and quiet operation potential
Who Should Buy
Best For
Homeowners in cold-to-moderate climates replacing 15+ year old equipment who prioritize heating performance and want decent cooling without premium pricing. DIY-minded contractors who install regularly and value simplicity and proven Goodman reliability.
Consider Alternatives If
Anyone in hot climates where cooling runs most of the year should look for higher SEER units, and homeowners with tight budgets should investigate 95% AFUE options despite higher upfront costs.
Installation
Installation requires 120V single-phase 60Hz power with breaker sizing between 26.4 and 45 amps depending on local code. Downflow configuration suits closets and crawlspaces well. A-coil evaporator design works with both upflow and downflow furnace orientations. Metal exhaust flue is mandatory, adding ductwork cost. Suction line comes with 1/2 inch insulation pre-installed up to 50 feet, simplifying field prep.
Warranty & Reliability
Goodman covers the unit for 10 years with online registration, a respectable baseline warranty matching most mid-tier competitors. Coverage is parts and labor through authorized dealers. Registration takes minutes and is genuinely important, as unregistered units drop to 1 year. This warranty reflects Goodman's confidence in scroll compressor longevity but doesn't rival extended 10/10/10 plans from premium manufacturers.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 48,000 |
| Heating BTU | 100,000 |
| Refrigerant | R410A or R22 |
| Electrical | 120 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 74 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| 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 |
| 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. |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | Multi-Speed |
| Maximum CFM | 2000 |
| Configuration | Upflow / Downflow |
| Burner Stages | Two |
| Fuel Type | Gas |
| 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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