Review
This Goodman gas furnace and air conditioner split system targets the middle market with straightforward efficiency and proven Scroll compressor design. It's a traditional workhorse configuration, not bleeding-edge technology, which appeals to contractors and homeowners who prioritize reliability and service familiarity over experimental features. The system combines an 80,000 BTU, 80% AFUE two-stage furnace with a 42,000 BTU cooling unit rated 16 SEER2 and Energy Star certified.
The 80% AFUE efficiency means roughly 80 cents of every heating dollar goes into conditioned space, leaving 20 percent up the flue. At 16 SEER2, the condenser delivers above-spec cooling efficiency for moderate climates where peak cooling demand doesn't sustain 8-12 hours daily. The scroll compressor operates at 73 dB, noticeably quieter than older reciprocating designs. A high-efficiency multi-speed blower motor supports up to 2000 CFM, enabling better air distribution across larger homes without excessive noise.
Pros & Cons
Pros
- 16 SEER2 rating exceeds the stated 15 SEER specification, delivering better cooling efficiency than advertised
- 80% AFUE furnace with two-stage burners provides consistent heating across varying demand without oversized consumption
- High-efficiency multi-speed blower motor with 2000 CFM maximum capacity enables better temperature distribution and zoning
- Energy Star certified for both heating and cooling components, qualifying for utility rebates in most regions
- 10-year warranty with online registration covers parts and compressor, standard protection for this price tier
- Scroll compressor technology runs quieter at 73 dB, a practical advantage for bedroom-adjacent installations
Cons
- 80% AFUE is acceptable but not exceptional; models at 90%+ AFUE offer significantly faster payback in cold climates despite higher upfront cost
- Single-stage condenser compressor cycles on and off rather than modulating, reducing efficiency during mild weather operation
- Specification sheet lists both 3.5 ton and 5 ton tonnage with conflicting BTU ratings, creating ambiguity for system matching
- No variable-speed ECM blower option limits ability to reduce electric parasitic loads in spring and fall shoulder seasons
Who Should Buy
Best For
Homeowners in ASHRAE zones 4-5 (moderate winters, warm summers) replacing 10-15 year old systems will see 3-5 year payback on this equipment. It's also practical for budget-conscious buyers who value simplicity and reliability over peak efficiency.
Consider Alternatives If
Skip this model if you live in harsh climates, need variable-speed cooling, or want to maximize 15+ year energy savings; invest in 95% AFUE furnaces and 18+ SEER2 equipment instead.
Installation
Installation requires standard 120V single-phase 60 Hz power with 23.5 to 40-amp breaker sizing. The unit supports both R410A and R22 refrigerant, though R22 systems are legacy equipment. Suction line runs 1 1/8 inch copper with 1/2 inch insulation; liquid line is 3/8 inch. Metal exhaust flue requirement is non-negotiable. Professional installation is essential for proper refrigerant charging and electrical integration.
Warranty & Reliability
Goodman provides 10 years parts coverage and compressor protection upon online registration. This is standard market protection at this price point, though competitors occasionally offer 10-year warranties without registration hassle. The evaporator coil carries its own warranty document. Registration is straightforward but mandatory to activate full coverage.
Specifications
| SKU | LS381183850 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 42,000 |
| Heating BTU | 80,000 |
| Refrigerant | R410A or R22 |
| Electrical | 120 V. 1 Phase 60 Hz |
| Warranty | 10 Years with Online Registration |
| Decibel Level (dBA) | 73 |
| Weight (in lbs) | 48.000000 |
| Feature | Spec |
| 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 | 40 amps |
| Min. Breaker Size | 23.5 amps |
| Tonnage | 5 Ton |
| 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. |
| Airflow Direction | Upflow/Horizontal |
| Exhaust Flue Requirement | Metal |
| Furnace Efficiency / AFUE | 80% |
| Blower Motor | High Efficiency 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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